Cardputer is a card computer suitable for engineers. It uses M5StampS3 as the main control. In terms of control interaction, it is equipped with a 56-key keyboard and a 1.14-inch TFT screen for display interaction. Additionally, it has an on-board SPM1423 digital MEMS microphone that can be used for recording or waking up, and it is also connected to a cavity speaker for sound playback It is equipped with an infrared emitting tube to conduct infrared control interaction externally. In terms of expansion, it is equipped with a Grove port on board, allowing for custom expansion of the sensor.
