#Buzzer

Build a Jeopardy-like Game Show Buzzer with a Circuit Playground Bluefruit! The first player to press their buzzer will illuminate the Host controller with the color of the buzzer handle!…

DIY OLED clock, room temperature, buzzer and snooze😴 Hardware: ESP32, 0.96" OLED, LM35DZ, Passive piezo buzzer, 2 tactile pushbuttons Full code and detail on GitHub: github.com/meysamnova/esp32-alarm-clock submitted by /u/meysamnova [link] [comments]