The OLED is connected via the I2C pins on the ESP32 and the Voltage and Current sensor are connected to Pin 34 and Pin 36 (VP) respectively. These pins are capable of analog to digital conversion ...

If you're looking to take the plunge into the world of ESP32 devices, then here's a basic overview of what you need to know.

Review of ThinkNode M1 and M2 LoRa nodes, and getting started guide for Meshtastic off-grid messaging and GPS sharing ...

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ESP32 - ESP32-based boards ESP8266 - ESP8266-based boards Intel Curie - Arduino 101 SparkFun Apollo3 - Sparkfun Artemis Redboard ST Microelectronics STM32 (official core) - STM32 Nucleo, Discovery, ...

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