# CIRCUITSTATE Electronics

> Invent. Engineer. Learn.


## Posts

- [Getting Started with Vicharak Shrike-Lite RP2040 + SLG47910 FPGA Development Board](https://www.circuitstate.com/tutorials/getting-started-with-vicharak-shrike-lite-rp2040-slg47910-fpga-development-board/): Learn how to run your first FPGA code on the low-cost Shrike-Lite FPGA + MCU development board from Vicharak
- [Interfacing DFRobot SEN0370 XKC-Y26A-V Capacitive Non-Contact Liquid Sensor with Arduino](https://www.circuitstate.com/tutorials/interfacing-dfrobot-sen0370-xkc-y26a-v-capacitive-non-contact-liquid-sensor-with-arduino/): Learn how to interface the SEN0370-XKC-Y26A-V capacitive non-contact liquid-level sensor from DFRobot with Arduino boards.
- [Hello World with Serial UART : Learn Microcontroller with STM8S - Tutorial Part #8](https://www.circuitstate.com/tutorials/hello-world-with-serial-uart-learn-microcontroller-with-stm8s-tutorial-part-8/): Learn how to use the UART serial interface to print your first "Hello World" message to a computer with the STM8S microcontroller.
- [Milk-V Duo 64M RISC-V Linux Development Board - Pinout Diagram & Arduino Reference](https://www.circuitstate.com/pinouts/milk-v-duo-64m-risc-v-linux-development-board-pinout-diagram-and-arduino-reference/): Complete pinout reference for the Milk-V Duo-64M Linux and Arduino development board including Arduino pin and interface references.
- [Getting Started with Milk-V Duo - RISC-V Linux Development Board](https://www.circuitstate.com/tutorials/getting-started-with-milk-v-duo-risc-v-linux-development-board/): Learn how to use the Milk-V Duo Linux development board with dual-core 1 GHz CVITEK CV1800B CPU, 64 MB RAM and a MicroSD card slot. Run Linux and Arduino sketches at the same time.
- [Getting Started with ESP32-S3 Wi-Fi & Bluetooth SoC using ESP32-S3-DEV-KIT-NxR8](https://www.circuitstate.com/tutorials/getting-started-with-esp32-s3-wi-fi-bluetooth-soc-using-esp32-s3-dev-kit-nxr8/): Learn how to use Espressif ESP32-S3 SoC for Wi-Fi and Bluetooth development using the Waveshare ESP32-S3-DEV-KIT-NxR8 development board. Use Arduino, ESP-IDF, PlatformIO and VS Code for software development.
- [Waveshare ESP32-S3-DEV-KIT-NxR8 Wi-Fi Development Board - Pinout Diagram & Arduino Reference](https://www.circuitstate.com/pinouts/waveshare-esp32-s3-dev-kit-nxr8-wi-fi-development-board-pinout-diagram-arduino-reference/): Complete pinout reference for the Waveshare ESP32-S3-DEV-KIT-NXR8 ESP32-S3 Wi-Fi development board including Arduino pin and interface references.
- [Interfacing ASAIR DHT20 Temperature & Humidity Sensor with Arduino](https://www.circuitstate.com/tutorials/interfacing-asair-dht20-temperature-humidity-sensor-with-arduino/): Learn how to interface the DHT20 compact temperature and humidity sensor from Asair with Arduino.
- [Interfacing ASAIR AGS02MA TVOC Sensor with Arduino](https://www.circuitstate.com/tutorials/interfacing-asair-ags02ma-tvoc-sensor-with-arduino/): Learn how to interface the Asair AGS02MA compact TVOC (Total Volatile Organic Compounds) sensor with Arduino boards to measure air quality.
- [Interfacing Waveshare 2.8 Inch Capacitive Touch LCD with Arduino](https://www.circuitstate.com/tutorials/interfacing-waveshare-2-8-inch-capacitive-touch-lcd-with-arduino/): Learn how to interface the beautiful 2.8 inch capacitive touch LCD panel from Waveshare to Arduino microcontroller boards.
- [PBSEQ-D2 - Soft-Latching Power Sequencer Circuit using MOSFETs & Push-Button](https://www.circuitstate.com/projects/pbseq-d2-soft-latching-power-sequencer-circuit-using-mosfets-amp-push-button/): Learn how to use basic electronic components like Mosfets and Push-Buttons to make a soft-latching power sequencer circuit to control power to your projects.
- [Interfacing Quectel L86 GPS+GLONASS GNSS Module with Arduino](https://www.circuitstate.com/tutorials/interfacing-quectel-l86-gpsglonass-gnss-module-with-arduino/): Learn how to interface the Quectel L86 GPS+GLONASS multi-GNSS module with Arduino. The module is based on the MediaTek MT3333 GNSS chip.
- [How to Interface Winsen ZH06 Laser Dust Sensor with Arduino](https://www.circuitstate.com/tutorials/how-to-interface-winsen-zh06-laser-dust-sensor-with-arduino/): Learn how to interface the Winsen ZH06 laser dust sensor with Arduino for monitoring PM1.0, PM2.5 and PM10 air quality parameters.
- [Reading Push-Buttons Through Interrupt : Learn Microcontroller with STM8S - Tutorial Part #7](https://www.circuitstate.com/tutorials/reading-push-buttons-through-interrupt-learn-microcontroller-with-stm8s-tutorial-part-7/): Learn how to write an assembly program to read a push-button using external interrupts of the STM8S microcontroller without blocking critical code.
- [Interfacing TTE OCB350L250Z Non-Contact Tube Liquid Detection Sensor with Arduino](https://www.circuitstate.com/tutorials/interfacing-tte-ocb350l250z-non-contact-tube-liquid-detection-sensor-with-arduino/): Learn how to interface the OCB350L250Z contact-less optical flow sensor with Arduino to detect the presence of fluids inside a translucent tube.
- [Interfacing Zerodrag Nexus1 2.4GHz ELRS Receiver with Arduino](https://www.circuitstate.com/tutorials/interfacing-zerodrag-nexus1-2-4ghz-elrs-receiver-with-arduino/): Learn how to interface the Zerodrag Nexus1 2.4 GHz ExpressLRS receiver that combines ESP8285 and SX1280 LoRa chips with Arduino.
- [Interfacing GOKU GM10 Nano V3 GNSS Module with Arduino](https://www.circuitstate.com/tutorials/interfacing-goku-gm10-nano-v3-gnss-module-with-arduino/): Learn how to interface the FlyWoo GOKU GM10 Nano V3 multi-GNSS module with Arduino. The module is based on the u-Blox M10050 10th gen GNSS chip.
- [How to Use Deep Sleep Mode to Turn ON/OFF ESP8266 Microcontroller with A Push-Button](https://www.circuitstate.com/tutorials/how-to-use-deep-sleep-mode-to-turn-on-and-off-esp8266-microcontroller-with-a-push-button/): Learn how to use the RESET button to turn on and off an ESP866 microcontroller with the help of Deep Sleep mode.
- [Reading Push-Buttons Through Polling : Learn Microcontroller with STM8S - Tutorial Part #6](https://www.circuitstate.com/tutorials/reading-push-buttons-through-polling-learn-microcontroller-with-stm8s-tutorial-part-6/): Learn how to write an assembly language program for reading a push-button through the polling method on an STM8S microcontroller.
- [Blinking LED with Timer Interrupts : Learn Microcontroller with STM8S - Tutorial Part #5](https://www.circuitstate.com/tutorials/blinking-led-with-timer-interrupts-learn-microcontroller-with-stm8s-tutorial-part-5/): Learn how to blink an LED with microcontroller timers and interrupts. Generate precise timing by programming the built-in timers of STM8S.
- [Wiring Up & Writing Your First Blink Program Using Assembly Language : Learn Microcontroller with STM8S - Tutorial Part #4](https://www.circuitstate.com/tutorials/wiring-up-writing-your-first-blink-program-using-assembly-language-learn-microcontroller-with-stm8s-tutorial-part-4/): Learn how to write your first Assembly language program for the STM8 microcontroller using the STM8 instruction set and blink and LED.
- [Installing Development Tools : Learn Microcontroller with STM8S - Tutorial Part #3](https://www.circuitstate.com/tutorials/installing-development-tools-learn-microcontroller-with-stm8s-tutorial-part-3/): Learn how to install and configure all of the software tools required to write, compile, upload and debug code for the STM8S family of microcontrollers.
- [The STM8S103F3P6 Development Board : Learn Microcontroller with STM8S - Tutorial Part #2](https://www.circuitstate.com/tutorials/the-stm8s103f3p6-development-board-learn-microcontroller-with-stm8s-tutorial-part-2/): Learn about the internals of the STM8 microcontroller and learn how to design a minimum system development board like the STM8S-Blue.
- [What is A Microcontroller? : Learn Microcontroller with STM8S - Tutorial Part #1](https://www.circuitstate.com/tutorials/what-is-a-microcontroller-learn-microcontroller-with-stm8s-tutorial-part-1/): Learn how a microcontroller works with the help of the STM8S 8-bit microcontroller and learn how to program it with this tutorial series.
- [Creating C/C++ Projects for C-DAC Aries V3 THEJAS32 Microcontroller Board Using VEGA SDK](https://www.circuitstate.com/tutorials/creating-c-c-projects-for-cdac-aries-v3-thejas32-microcontroller-board-using-vega-sdk/): Learn how to use the VEGA SDK for creating and building C/C++ projects for C-DAC Aries V3 & other THEJAS32 RISC-V microcontroller boards.
- [Getting Started with C-DAC Aries V3 THEJAS32 Microcontroller Development Board](https://www.circuitstate.com/tutorials/getting-started-with-cdac-aries-v3-thejas32-microcontroller-development-board/): Learn how to use the new Aries V3 microcontroller board from C-DAC based on the 32-bit VEGA THEJAS32 RISC-V SoC using Arduino & VS Code.
- [C-DAC Aries V3 THEJAS32 Microcontroller Board - Pinout Diagram & Pin Reference](https://www.circuitstate.com/pinouts/c-dac-aries-v3-thejas32-microcontroller-board-pinout-diagram-and-pin-reference/): Complete pinout diagram and pin reference for the C-DAC Aries V3 THEJAS32 microcontroller SoC development board.
- [Getting Started with PlatformIO - Unified IDE for Embedded Software Development](https://www.circuitstate.com/tutorials/getting-started-with-platformio-unified-ide-for-embedded-software-development/): Learn how to use the PlatformIO unified ecosystem for embedded software development with the help of modern Visual Studio Code IDE.
- [STM8S-Blue Generic STM8S103F3P6 Development Board - Pinout Diagram & Pin Reference](https://www.circuitstate.com/pinouts/stm8s-blue-generic-stm8s103f3p6-development-board-pinout-diagram-and-pin-reference/): Vector pinout diagram and pin reference for the STM8S103F3P6-based STM8S-Blue 8-bit microcontroller development board.
- [16x2 Character LCD Pinout Diagram & Pin Reference](https://www.circuitstate.com/pinouts/16x2-character-lcd-pinout-diagram-and-pin-reference/): Complete pinout diagram and pin reference for all HD44780-based character LCD modules including 16x2, 20x4 and 128x64.
- [Debugging RP2040 Pico C/C++ SDK Projects using Raspberry Pi Debug Probe & VS Code](https://www.circuitstate.com/tutorials/debugging-rp2040-pico-c-cpp-sdk-projects-using-raspberry-pi-debug-probe-and-vs-code/): Learn how to use the official Pico Debug Probe to debug your Raspberry Pi Pico RP2040 C/C++ SDK projects using VS Code.
- [How to Debug RP2040 Arduino Projects Using Raspberry Pi Debug Probe & PlatformIO](https://www.circuitstate.com/tutorials/how-to-debug-rp2040-arduino-projects-using-raspberry-pi-debug-probe-and-platformio/): Learn how to use the official Pico Debug Probe to debug your Raspberry Pi Pico RP2040 Arduino projects using PlatformIO.
- [Espressif ESP-Prog ESP32 JTAG Debug Probe - Pinout Diagram](https://www.circuitstate.com/pinouts/espressif-esp-prog-esp32-jtag-debug-probe-pinout-diagram/): Vector pinout diagram and pin reference for official ESP-Prog JTAG debug probe and programmer for ESP32 SoC from Espressif.
- [Debugging ESP32 Arduino & ESP-IDF Projects using ESP-Prog and PlatformIO](https://www.circuitstate.com/tutorials/debugging-esp32-arduino-esp-idf-projects-using-esp-prog-and-platformio/): Learn how to use the official Espressif ESP-Prog to debug your ESP32 Arduino and ESP-IDF projects with the help of PlatformIO.
- [Getting Started with Espressif ESP32 Wi-Fi & Bluetooth SoC using DOIT-ESP32-DevKit-V1 Development Board](https://www.circuitstate.com/tutorials/getting-started-with-espressif-esp32-wifi-bluetooth-soc-using-doit-esp32-devkit-v1-development-board/): Learn how to use Espressif ESP32 SoC for Wi-Fi and Bluetooth development using DOIT ESP32 DevKit V1 development board. Use Arduino, ESP-IDF, PlatformIO and VS Code for software development.
- [Getting Started with Arduino Nano ESP32 Wi-Fi & IoT Development Board](https://www.circuitstate.com/tutorials/getting-started-with-arduino-nano-esp32-wifi-and-iot-development-board/): Get started with the latest Arduino Nano ESP32-S3 microcontroller board for Wi-Fi, BLE and IoT development board.
- [What is Modbus Communication Protocol & How to Implement Modbus RTU with Arduino](https://www.circuitstate.com/tutorials/what-is-modbus-communication-protocol-and-how-to-implement-modbus-rtu-with-arduino/): Learn everything about the industry's favorite Modbus serial communication protocol and use Arduino to implement your first Modbus RTU project.
- [WIZnet WizFi360-PA Wi-Fi Module - Pinout Diagram & Reference](https://www.circuitstate.com/pinouts/wiznet-wizfi360-pa-wifi-module-pinout-diagram-and-reference/): Complete pinout diagram and pin reference for the WizFi360-PA precertified Wi-Fi module from WIZnet.
- [MAX485-CD4069 RS-485 Module with Auto Data Direction Control - Pinout Diagram & Reference](https://www.circuitstate.com/pinouts/max485-cd4069-rs-485-module-with-auto-data-direction-control-pinout-diagram-and-pin-reference/): Complete pinout diagram and pin reference for the MAX485-CD4069 RS-485 communication module with automatic data direction control.
- [What is GPS/GNSS & How to Interface u-blox NEO-6M GPS Module with Arduino](https://www.circuitstate.com/tutorials/what-is-gps-gnss-how-to-interface-ublox-neo-6m-gps-module-with-arduino/): Learn how GPS and other GNSS work, and interface the u-blox NEO-6M GY-NEO6MV2 module with Arduino boards using CSE_GNSS library and sample codes.
- [SEQURE SQ-A110 Digital Temperature-Controlled Adjustable Soldering Iron - Review & Teardown](https://www.circuitstate.com/reviews/sequre-sq-a110-digital-temperature-controlled-adjustable-soldering-iron-review-and-teardown/): Review and teardown of the SEQURE SQ-A110 industrial-grade 110W digital adjustable temperature-controlled soldering iron.
- [What is RS-485 & How to Use MAX485 with Arduino for Reliable Long-Distance Serial Communication](https://www.circuitstate.com/tutorials/what-is-rs-485-how-to-use-max485-with-arduino-for-reliable-long-distance-serial-communication/): Learn about the industry-favorite RS-485 (EIA-485) wired communication interface standard and learn how to interface the MAX485 module with Arduino.
- [MITAYI Pico RP2040 r0.5 – Open-Source Microcontroller Development Board – Schematic, PCB and Assembly](https://www.circuitstate.com/projects/mitayi-pico-rp2040-r0-5-open-source-microcontroller-development-board-schematic-pcb-and-assembly/): The complete documentation for design revision 0.5 of the MITAYI Pico RP2040 open-source microcontroller development board from CIRCUITSTATE. Read about the schematic design, PCB design and assembly.
- [Andonstar AD208 Digital Microscope for Electronics Engineers - Review and Teardown](https://www.circuitstate.com/reviews/andonstar-ad208-digital-microscope-for-electronics-engineers-review-and-teardown/): Review of the Andonstar AD208 tabletop digital microscope with a large 8.5" LCD, Full HD 1080p video recording and 260x magnification.
- [Frogbro DP-SS02 Desoldering Pump - Review & Teardown](https://www.circuitstate.com/reviews/frogbro-dp-ss02-desoldering-pump-review-and-teardown/): Reviewing the DP-SS02 from Frogbro, which is a cheaper clone of the much admired SS02 desoldering pump from Engineer.
- [Making Two Raspberry Pi Pico Boards Communicate through SPI using C/C++ SDK](https://www.circuitstate.com/tutorials/making-two-raspberry-pi-pico-boards-communicate-through-spi-using-c-cpp-sdk/): Tutorial on how to make two Raspberry Pi Pico boards communicate with each other through the SPI interface using Central/Peripheral modes and Pico C/C++ SDK. 
- [ATmega328P DIP-28 - Pinout Diagram & Arduino Pin Reference](https://www.circuitstate.com/pinouts/atmega328p-dip-28-pinout-diagram-and-arduino-pin-reference/): Complete pinout diagram for the Atmel/Microchip ATmega328P DIP-28 AVR microcontroller along with Arduino pin references.
- [What is CAN Bus & How to use CAN Interface with ESP32 and Arduino](https://www.circuitstate.com/tutorials/what-is-can-bus-how-to-use-can-interface-with-esp32-and-arduino/): Learn the basics of CAN bus interface and learn how to make two ESP32 boards communicate through CAN bus using Arduino and with the help of TJA1051 CAN transceivers (CJMCU-1051).
- [Interfacing RA-01/RA-02 SX1278 LoRa Modules with ESP32 using Arduino](https://www.circuitstate.com/tutorials/interfacing-ra-01-ra-02-sx1278-lora-modules-with-esp32-using-arduino/): Learn how to interface RA-01 or RA-02 SX1278-based LoRa modules from Ai-Thinker with ESP32 using Arduino. LoRa can add long range and low-power wireless communication capability to your projects.
- [DOIT ESP32 DevKit V1 Wi-Fi Development Board - Pinout Diagram & Arduino Reference](https://www.circuitstate.com/pinouts/doit-esp32-devkit-v1-wifi-development-board-pinout-diagram-and-reference/): Complete pinout reference for DOIT ESP32 DevKit V1 Wi-Fi development board including Arduino pin and interface references.
- [Now Develop IoT Applications with ARIES IoT v1.0 Board Based on THEJAS32 RISC-V SoC from C-DAC](https://www.circuitstate.com/news/now-develop-iot-applications-with-aries-iot-v1-0-board-based-on-thejas32-risc-v-soc-from-c-dac/): India’s C-DAC announces the new IoT targeted development board powered by indigenously developed RISC-V SoC THEJAS32. The board combines Wi-Fi and other embedded sensors.
- [BD15035 is An Ultra-Low-Power AI Accelerator Chip for Edge-AI Applications](https://www.circuitstate.com/news/bd15035-is-an-ultra-low-power-ai-accelerator-chip-from-rohm-for-edge-ai-applications/): ROHM recently announced its new AI accelerator chip BD15035 for edge-AI applications. The chip has an ultra-low-power 3-layer Neural Network and a high-performance 8-bit MCU core that only requires a few tens of milliwatts to function.
- [How to Write Parallel Multitasking Applications for ESP32 using FreeRTOS & Arduino](https://www.circuitstate.com/tutorials/how-to-write-parallel-multitasking-applications-for-esp32-using-freertos-arduino/): Learn how to take advantage of the multitasking features of FreeRTOS for ESP32 dual-core SoC using your favorite Arduino IDE. Use our examples to learn about mutex, semaphore and critical section code.
- [Aneng PT1028 22 Piece Universal Silicone Multimeter Cable & Probe Set - Review](https://www.circuitstate.com/reviews/aneng-pt1028-22-piece-universal-silicone-multimeter-cable-and-probe-set-review/): It is time to replace your old and rudimentary multimeter probes with this highly flexible and high-quality modular multimeter cable and probe set from Aneng.
- [Xiaomi 24 Piece Precision Screwdriver Kit - Review](https://www.circuitstate.com/reviews/xiaomi-24-piece-precision-screwdriver-kit-review/): Review of one of the best precision screwdriver kits in the market from Xiaomi.
- [MITAYI Pico RP2040 r0.2 - Open-source Microcontroller Development Board - Schematic, PCB and Assembly](https://www.circuitstate.com/projects/mitayi-pico-rp2040-r0-2-open-source-microcontroller-development-board-schematic-pcb-and-assembly/): Documentation for MITAYI Pico r0.2, RP2040-based open-source microcontroller development board designed in KiCad 6. Read about schematic design, PCB design and assembly.
- [Getting Started with WizFi360-EVB-Pico - RP2040 and Wi-Fi Development Board from WIZnet](https://www.circuitstate.com/tutorials/getting-started-with-wizfi360-evb-pico-rp2040-and-wi-fi-development-board-from-wiznet/): Learn how to use the latest open-source Wi-Fi development board from WIZnet that combines an RP2040 microcontroller and the WizFi360-PA precertified Wi-Fi module.
- [Atten ST-2065D 65W Digital Temperature Controlled Soldering Iron - Review and Teardown](https://www.circuitstate.com/reviews/atten-st-2065d-65w-digital-temperature-controlled-soldering-iron-review-and-teardown/): Unboxing, review, performance test, and teardown of Atten ST-2065D 65 watts portable and adjustable digital temperature-controlled soldering iron.
- [Noel 230V/90W Digital Temperature Controlled Soldering Iron Review & Teardown](https://www.circuitstate.com/reviews/noel-230v-90w-digital-temperature-controlled-soldering-iron-review-and-teardown/): Review and teardown of Noel India 90W/230V digital temperature-controlled soldering iron. It is a Hakko 900M series compatible iron with removable tips, heating element and a backlit LCD display.
- [How to Create A Standalone Raspberry Pi Pico C/C++ Project in Windows and Build from Command-Line and VS Code](https://www.circuitstate.com/tutorials/how-to-create-a-standalone-raspberry-pi-pico-c-cpp-project-in-windows-and-build-from-command-line-and-vs-code/): Learn how to create standalone C/C++ SDK projects for Raspberry Pi Pico board on Windows operating system. Build projects from command-line and VS Code.
- [Getting Started with Raspberry Pi Pico : RP2040 Microcontroller Board - Pinout, Schematic and Programming Tutorial](https://www.circuitstate.com/tutorials/getting-started-with-raspberry-pi-pico-rp2040-microcontroller-board-pinout-schematic-and-programming-tutorial/): Learn how to set up the Raspberry Pi Pico RP2040 board on your computer and write and compile programs with C/C++ SDK and Arduino IDE.
- [Raspberry Pi Pico RP2040 Microcontroller Board - Pinout Diagram & Arduino Pin Reference](https://www.circuitstate.com/pinouts/raspberry-pi-pico-rp2040-microcontroller-board-pinout-diagrams/): Beautiful pinout diagram for the Raspberry Pico RP2040 microcontroller boards, in both PNG and PDF formats, and Arduino pin reference.
- [Getting Started with Arduino - Beginner's Tutorial to Open-Source Hardware Prototyping with Arduino Uno](https://www.circuitstate.com/tutorials/getting-started-with-arduino-beginners-tutorial-to-open-source-hardware-prototyping-with-arduino-uno/): Learn electronics hardware prototyping and coding with the most popular Arduino open-source microcontroller platform. Learn how to write your first program and upload it to the Arduino Uno board.
- [Getting Started with Arduino Nano 33 IoT Microcontroller Development Board - Pinout, Schematic & Example Programs](https://www.circuitstate.com/tutorials/getting-started-with-arduino-nano-33-iot-microcontroller-development-board-pinout-schematic-example-programs/): Learn how to use Arduino Nano 33 IoT ARM microcontroller board along with pinout diagram, schematic and example sketches. Learn programming with Arduino IDE, VS Code and PlatformIO.
- [How to Use VS Code for Creating and Uploading Arduino Sketches](https://www.circuitstate.com/tutorials/how-to-use-vs-code-for-creating-and-uploading-arduino-sketches/): Learn how to use the popular VS Code IDE to develop Arduino projects and upload your sketches to Arduino boards directly, without using Arduino IDE.
- [How to Create Your First IoT Project - Arduino Cloud Tutorial with Arduino Nano 33 IoT](https://www.circuitstate.com/tutorials/how-to-create-your-first-iot-project-arduino-cloud-tutorial-with-arduino-nano-33-iot/): Learn how to connect your Arduino Nano 33 IoT to Arduino IoT Cloud and create your first Internet of Things (IoT) project.
- [Getting Started with KiCad Version 6 : Beginner's Tutorial to Schematic and PCB Design](https://www.circuitstate.com/tutorials/getting-started-with-kicad-version-6-beginners-tutorial-to-schematic-and-pcb-design/): Beginner's tutorial to the latest KiCad version 6 open source Electronic Design Automation (EDA) tool. Learn about schematic and PCB designing with KiCad.
- [How to Install KiCad Version 6 and Organize Part Libraries](https://www.circuitstate.com/tutorials/how-to-install-kicad-version-6-and-organize-part-libraries/): Learn how to install the latest KiCad version 6 on your Windows system, migrate your libraries and a few tips for organizing and managing symbol and footprint libraries.
- [How to Get Your KiCad PCB Design Ready for Automated Assembly - KiCad 6 Tutorial](https://www.circuitstate.com/tutorials/how-to-get-your-kicad-pcb-design-ready-for-automated-assembly-kicad-6-tutorial/): Tutorial on generating assembly files for automated PCB assembly (PCBA) from KiCad 6 open-source schematic and PCB designing software.
- [How to Get Your KiCad PCB Design Ready for Fabrication - KiCad Version 6 Tutorial](https://www.circuitstate.com/tutorials/how-to-get-your-kicad-pcb-design-ready-for-fabrication-kicad-version-6-tutorial/): Tutorial on generating Gerber files and related files for PCB fabrication from KiCad 6 open-source schematic and PCB designing software.
- [CIRCUITSTATE Maker Incentive Programme 2021](https://www.circuitstate.com/blog/circuitstate-maker-incentive-programme-2021/): Maker Incentive Programme 2021 is CIRCUITSTATE's initiative to expand the open knowledge base by financially supporting individuals passionate about electronics and computer programming.
- [PCBWay Adds Orange, Grey, Pink and Transparent Solder Mask Options to Advanced PCB Section](https://www.circuitstate.com/news/pcbway-adds-orange-grey-pink-and-transparent-solder-mask-options-to-advanced-pcb-section/): All new solder mask and silkscreen colors are available at advanced PCB order section of PCBWay.
- [Arduino Pro Nicla Sense ME is A New Sensing Platform with Bosch Sensors and Embedded AI](https://www.circuitstate.com/news/arduino-pro-nicla-sense-me-is-a-new-sensing-platform-with-bosch-sensors-and-embedded-ai/): Nicla Sense ME is the first sensing solution from Arduino Pro. It integrates AI-enabled smart embedded sensors from Bosch Sensortech and can measure pressure, motion, magnetic field, temperature, humidity and air quality.
- [Conexio Stratus - nRF9160 Based Open Source Cellular-IoT Platform with Energy Harvesting Feature](https://www.circuitstate.com/featured/conexio-stratus-nrf9160-based-open-source-cellular-iot-platform-with-energy-harvesting-feature/): Conexio Technologies' Stratus is an open source LTE-M/NB-IoT Cellular-IoT development kit based around Nordic Semi nRF9160. Stratus can charge battery from solar power & comes with 500 MB global data plan. Stratus will be available on Crowd Supply.
- [Portenta H7 Lite is A Stripped Down Version of Arduino Pro's Flagship Industrial Controller Board](https://www.circuitstate.com/news/portenta-h7-lite-is-a-stripped-down-version-of-arduino-pros-flagship-industrial-controller-board/): Arduino Pro adds Portenta H7 Lite, a stripped down version of Portenta H7, without the high resolution video interface and Wi-Fi and Bluetooth features. H7 Lite costs $31 less than H7, and is aimed at more affordable IoT and Industry 4.0 solutions.
- [How to Program Raspberry Pi Pico with Arduino IDE - Steps for Installation and Uploading Example Sketches](https://www.circuitstate.com/tutorials/how-to-program-raspberry-pi-pico-with-arduino-ide-steps-for-installation-and-uploading-example-sketches/): Tutorial on installing RP2040 Mbed OS packages through Arduino IDE, compiling and uploading sketches to Raspberry Pi Pico microcontroller board.
- [Elecrow Mbits - BBC Micro:Bit Compatible STEM Education Board based on ESP32](https://www.circuitstate.com/featured/elecrow-mbits-bbc-microbit-compatible-stem-education-board-based-on-esp32/): Mbits is a BBC micro:bit compatible STEM educational board from Elecrow based on ESP32 SoC. Mbits costs less than micro:bit and supports Letscode visual programming and Arduino.
- [Upside Down Labs BioAmp EXG Pill v0.7 Biopotential AFE: Hardware Overview and Interfacing with Arduino](https://www.circuitstate.com/tutorials/upside-down-labs-bioamp-exg-pill-v0-7-biopotential-afe-hardware-overview-and-interfacing-with-arduino/): This post gives you the hardware overview of BioAmp EXG Pill v0.7 and shows how it can be interfaced to Arduino Uno and run the examples to read ECG and heart beat.
- [tCam-Mini : Open Source Wireless Thermal Imaging Module based on Flir Lepton 3.5 and ESP32](https://www.circuitstate.com/featured/tcam-mini-open-source-wireless-thermal-imaging-module-based-on-flir-lepton-3-5-and-esp32/): tCam-Mini is a wireless thermal imaging module based on ESP32 and FLIR Lepton 3.5 Infrared camera module. The open source project is created by Dan Julio and was crowd funded through Hackster Launch and GroupGets.
- [Espressif Expands their RISC-V Portfolio with new ESP32-H2 Thread+Zigbee+BLE SoC](https://www.circuitstate.com/news/espressif-expands-their-risc-v-portfolio-with-new-esp32-h2-thread-zigbee-ble-soc/): Espressif has announced a new RISC-V SoC called ESP32-H2 with IEEE 802.15.4 (Thread & Zigbee) and BLE 5.2 capabilities. The product is aimed at Smart Home and IoT applications.
- [XIAO RP2040 - Seeed Studio Adds New Development Board to Seeeduino Family](https://www.circuitstate.com/news/xiao-rp2040-seeed-studio-adds-new-development-board-to-seeeduino-family/): XIAO-RP2040 is a new microcontroller development board from Seeed Studio. The small form-factor board features a dual-core ARM Cortex M0+ CPU and supports Arduino, Micropython and CircuitPython. It only costs USD 5.4.
- [Starcat Jupiter Nano - Compact and High Performance Embedded Microprocessor Board that Runs Linux](https://www.circuitstate.com/featured/starcat-jupiter-nano-compact-and-high-performance-embedded-microprocessor-board-that-runs-linux/): Jupiter Nano is a high-performance embedded microprocessor development board that can run Linux and is based on Microchip's ATSAMA5D27C-LD1G. Nano is an open source project created by Adam Feuer from Starcat LLC.
- [R307 Optical Fingerprint Scanner Library for Arduino - Documentation](https://www.circuitstate.com/libraries/r307-optical-fingerprint-scanner-library-for-arduino-documentation/): Documentation for R307 Fingerprint Scanner Arduino Library. Includes library function references, example sketches and troubleshooting tips.
- [Nordic Semi nRF9160 : Low Power LTE-M and NB-IoT Wireless Modem for Cellular IoT Applications](https://www.circuitstate.com/featured/nordic-semi-nrf9160-low-power-lte-m-and-nb-iot-wireless-modem-for-cellular-iot-applications/): Nordic Semiconductor's nRF9160 is a low power LTE-M and NB-IoT wireless modem available in a small footprint System-in-Package and is targeted for Cellular IoT applications.
- [The Little Things for A Dream : Story of CIRCUITSTATE](https://www.circuitstate.com/blog/the-little-things-for-a-dream-story-of-circuitstate/): Read about how CIRCUITSTATE Electronics was born, its mission and driving philosophy.
- [QUARK: Open Source Handheld Electrical Measurement Probe based on ESP32 and Arduino](https://www.circuitstate.com/featured/quark-open-source-handheld-electrical-measurement-probe-based-on-esp32-and-arduino/): QUARK is an open source handheld electrical measurement and debugging tool designed by Sergey Ismulin. It is based on ESP32 and uses the Arduino framework.
- [BioAmp EXG Pill - Open Source Biopotential Analog Front-end Module can Measure EEG, ECG, EMG and EOG](https://www.circuitstate.com/featured/bioamp-exg-pill-open-source-biopotential-analog-front-end-module-can-measure-eeg-ecg-emg-and-eog/): BioAmp EXG Pill is a single channel biopotential analog front-end module developed by Upside Down Labs. It can measure EEG, ECG, EMG and EOG and the project is completely open source.
- [µLab Kiwi and Kiwi Lite : Beginner Friendly FPGA + ESP32 Development Boards](https://www.circuitstate.com/featured/ulab-kiwi-and-kiwi-lite-beginner-friendly-fpga-esp32-development-boards/): µLab Kiwi and Kiwi Lite are beginner friendly Intel/Altera MAX10 FPGA and ESP32 development boards that are soon launching via Crowd Supply.
- [A Smack to Wake Digital Contact Thermometer with 140 Days Battery Life](https://www.circuitstate.com/featured/a-smack-to-wake-digital-contact-thermometer-with-140-days-battery-life/): Srinivasan (Neutrino) has built a digital contact thermometer with display and runs on a coin cell. It has an operating span of 140 days.
- [Raspberry Pi RP2040 Microcontroller Single Unit Chips are Now Available for $1](https://www.circuitstate.com/news/raspberry-pi-rp2040-microcontroller-single-unit-chips-are-now-available-for-1/): Raspberry Pi RP2040 microcontroller single-unit chips are now available for as low as $1. Buy them before the stock runs out.
- [nPM1100 Power Management IC from Nordic Semiconductor Delivers Power to Your Circuits and Charges Battery](https://www.circuitstate.com/news/npm1100-power-management-ic-from-nordic-semiconductor-delivers-power-to-your-circuits-and-charges-battery/): Nordic Semiconductor's new nPM1100 Power Management IC (PMIC) can deliver power to circuits and charge battery of your portable device designs.
- [Espressif Releases ESP32-WROOM-DA with High Reliability Wireless Connectivity](https://www.circuitstate.com/news/espressif-releases-esp32-wroom-da-with-high-reliability-wireless-connectivity/): Espressif Systems released their new ESP32-WROOM-DA module with high reliability wireless connectivity using unique two-antenna design.
- [Raspberry Pi Releases PoE+ HAT That Delivers More Power and Runs Cooler](https://www.circuitstate.com/news/raspberry-pi-releases-pi-poe-hat-that-delivers-more-power-and-runs-cooler/): The Raspberry Pi foundation released the improved version of their Power-over-Ethernet solution - Pi PoE+ HAT (plus version) with more power delivering capability and better thermal management.
- [Arduino Nano RP2040 Connect is In The Stores](https://www.circuitstate.com/news/arduino-nano-rp2040-connect-is-in-the-stores/): Arduino released a new microcontroller board called Arduino Nano RP2040 Connect  based on the Raspberry Pi RP2040. The board adds Wi-Fi and Bluetooth BLE 5 capabilities, and is specifically designed for Internet of Things (IoT) applications.
- [tinyML Vision Challenge at Hackster](https://www.circuitstate.com/contests-giveaways/tinyml-vision-challenge-at-hackster/): tinyML Foundation is conducting an open contest on Machine Learning and Computer Vision in collaboration with Hackster.io
- [Advanced Wearables Challenge with Nordic Semiconductor and Hackster](https://www.circuitstate.com/contests-giveaways/advanced-wearables-challenge-with-nordic-semiconductor-and-hackster/): Nordic Semiconductor and Hackster.io are collaborating on an open contest - Advanced Wearables - to find best wearable device designs. 
- [NXP Hackathon 2021 - Electromaker Design Contest & Hardware Giveaway](https://www.circuitstate.com/contests-giveaways/nxp-hackathon-2021-electromaker-design-contest-hardware-giveaway/): Electromaker is collaborating with NXP Semiconductor to run an open design contest to find creative solutions implemented using i.MX RT1010 and R1020 microcontrollers.
- [Arduino Edge Control : Remote Monitoring and Control Solution from Arduino Pro](https://www.circuitstate.com/news/arduino-edge-control-remote-monitoring-and-control-solution-from-arduino-pro/): Arduino Pro has released a remote monitoring and control solution called Arduino Edge control. The board features uBlox Nina B306 BLE 5 module and two Arduino MKR expansion slots.
- [Portenta Breakout : Expand The Development Capabilities of Arduino Portenta Boards](https://www.circuitstate.com/news/portenta-breakout-expand-the-development-capabilities-of-arduino-portenta-boards/): Arduino Pro released a breakout board called Arduino Portenta Breakout to enhance the development, testing and debugging capabilities of their Portenta H7 industrial development platform.
- [Portenta Machine Control : New Industrial Control Unit from Arduino Pro](https://www.circuitstate.com/news/portenta-machine-control-new-industrial-control-unit-from-arduino-pro/): Arduino Pro adds Portenta Machine Control, a new industrial control unit based on Portenta H7 design. It is a DIN rail compatible, fully-centralized and low power unit that can be programmed via the Arduino framework.

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