Cardputer met M5StampS3

The M5Stack Cardputer is a tool based on the ESP32 microcontroller (a successor to the ESP8266) with a small 56-button keyboard, mini display, speaker, microphone, micro SD card and a HY2.0-4P port for connecting I2C sensors.

The compact device has functionalities such as WiFi, Bluetooth and infrared, and you can install various programmes on it.