IoT Sensor Board
3 devicesIoT sensor boards — purpose-built open-source hardware for sensor data acquisition and monitoring

Denky D4
IoT Sensor Board
Open-source ESP32 Teleinfo reader board for French Linky energy meters. Pre-flashed with Tasmota, features USB-C, WiFi, QWIIC I2C port, and RGB LED. Reads both Standard and Historique TIC formats.

Pycom Pytrack
IoT Sensor Board
GPS/GNSS tracking expansion board for Pycom modules with GLONASS/Galileo/QZSS support, 3-axis accelerometer, MicroSD slot, LiPo charger, USB serial, and 5 extra GPIO headers. Ultra-low 1µA deep sleep

Pycom Pysense
IoT Sensor Board
Multi-sensor expansion board for Pycom modules featuring light, barometric pressure, humidity, temperature, and 3-axis accelerometer sensors. Includes MicroSD slot, USB serial, LiPo charger, and ultra
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