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.

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 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 are beginner friendly Intel/Altera MAX10 FPGA and ESP32 development boards that are soon launching via Crowd Supply.

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 as low as $1. Buy them before the stock runs out.
Nordic Semiconductor's new nPM1100 Power Management IC (PMIC) can deliver power to circuits and charge battery of your portable device designs.