Telegram Bot to verify if users joining a group are human. The Bot sends a captcha challenge to each new user and removes those who fail to solve it within a specified time.
SoftSerial library modified to use INT0 instead PCINT0 interrupt. It allows digispark uses DigiMouse/DigiKeyboard/DigiJoystick at same time SoftSerial. With this, for example, you can use a Bluetooth module to control the mouse or keyboard functionality.
Arduino library for ESP32 that implements an SSH client to connect and execute commands in a remote Server.