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Invent. Engineer. Learn
  • Reviews

SEQURE SQ-A110 Digital Temperature-Controlled Adjustable Soldering Iron – Review & Teardown

SEQURE SQ-A110 Digital Soldering Iron Review and Teardown Featured Image
Review and teardown of the SEQURE SQ-A110 industrial-grade 110W digital adjustable temperature-controlled soldering iron.
  • Vishnu Mohanan
  • 3 May 2023
  • Tutorials

What is RS-485 & How to Use MAX485 with Arduino for Reliable Long-Distance Serial Communication

What is RS485 and how to use MAX485 and Arduino for long distance serial communication featured image
Learn about the industry-favorite RS-485 (EIA-485) wired communication interface standard and learn how to interface the MAX485 module with Arduino.
  • Vishnu Mohanan
  • 27 April 2023
  • Projects

MITAYI Pico RP2040 r0.5 – Open-Source Microcontroller Development Board – Schematic, PCB and Assembly

MITAYI Pico RP2040 r0.5 featured image
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.
  • Vishnu Mohanan
  • 20 February 2023
  • Reviews

Andonstar AD208 Digital Microscope for Electronics Engineers – Review and Teardown

Andonstar AD208 Digital Microscope for electronics works featured image
Review of the Andonstar AD208 tabletop digital microscope with a large 8.5" LCD, Full HD 1080p video recording and 260x magnification.
  • Vishnu Mohanan
  • 11 February 2023
  • Reviews

Frogbro DP-SS02 Desoldering Pump – Review & Teardown

Reviewing the DP-SS02 from Frogbro, which is a cheaper clone of the much admired SS02 desoldering pump from Engineer.
  • Vishnu Mohanan
  • 23 January 2023
  • Tutorials

Making Two Raspberry Pi Pico Boards Communicate through SPI using C/C++ SDK

Featured image of the tutorial Make two Raspberry Pi Pico boards communicate through SPI using C/C++ 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.
  • Vishnu Mohanan
  • 20 January 2023
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  • SEQURE SQ-A110 Digital Soldering Iron Review and Teardown Featured Image SEQURE SQ-A110 Digital Temperature-Controlled Adjustable Soldering Iron – Review & Teardown 3 May 2023
  • What is RS485 and how to use MAX485 and Arduino for long distance serial communication featured image What is RS-485 & How to Use MAX485 with Arduino for Reliable Long-Distance Serial Communication 27 April 2023
  • MITAYI Pico RP2040 r0.5 featured image MITAYI Pico RP2040 r0.5 – Open-Source Microcontroller Development Board – Schematic, PCB and Assembly 20 February 2023
  • Andonstar AD208 Digital Microscope for electronics works featured image Andonstar AD208 Digital Microscope for Electronics Engineers – Review and Teardown 11 February 2023
  • Frogbro DP-SS02 Desoldering Pump – Review & Teardown 23 January 2023

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SEQURE SQ-A110 Digital Soldering Iron Review and Teardown Featured Image
SEQURE SQ-A110 Digital Temperature-Controlled Adjustable Soldering Iron – Review & Teardown

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About Us

CIRCUITSTATE Electronics LLP was founded by Vishnu Mohanan, an avid electrical engineer from Kerala, India. We are a community driven company that is into electronics R&D, technical content creation, training, certification, consultation, manufacturing and electronic component distribution.

We are admirers of open source design philosophy and work with various individuals and organizations to develop open solutions for the worldwide community.

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Also find us on all social media platforms.
  • Location: Karunagappally, Kerala, IND 690536
  • Phone (WhatsApp & Telegram): +91 8296845054
  • Email: info@circuitstate.com
  • Website: CIRCUITSTATE.com

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