A multifunctional shield compatible with the Arduino UNO and Arduino Leonardo. This shield has 4 numeric displays (powered by 2 x 74HC595), a buzzer, a potentiometer, 3 tactile buttons and some interface connections, including voice recognition, servo motors, temperature and infrared. A library with examples can be found here: https://github.com/mrWheel/MultiFunctionalShield https://elecena.pl/product/27738746/opencircuit-multi-function-shield 2025-01-22 https://elecena.pl/product/27738746/opencircuit-multi-function-shield 2025-03-22 https://elecena.pl/product/27738746/opencircuit-multi-function-shield 2025-04-20 https://elecena.pl/product/27738746/opencircuit-multi-function-shield 2026-02-23 https://elecena.pl/product/27738746/opencircuit-multi-function-shield 2026-02-25