There are only four components: an Arduino Nano, a DS3231 RTC module, a SSD1306 128×64 OLED module, and a momentary pushbutton.

RAKwireless WisMesh Board ONE allows users to create custom Meshtastic nodes with optional OLED, GPS, antennas, battery, and ...

After this tedious step, he designed a PCB that hosts an Arduino Nano to accept input, two MCP23017 GPIO expanders to give it enough outputs, and CD4066BE CMOS switches to trigger the connections.

This repository contains an ESP-IDF board support package for Arduino Nano ESP32 board. This board is based on an ESP32-S3 chip. This component includes the blink example. It can be used as a starting ...

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