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.

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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 ...

Learning IoT: Basic Experiments of Home Automation using ESP8266, Arduino and XBee Abstract: Extensive implementation of Internet-of-Things (IoT) systems increases the needs of IoT engineers. However, ...