I needed a buzzer for my quadcopter. Dug through my old parts drawer from the HobbyKing days — found a buzzer board based on ATtiny13A. The original firmware was designed for PWM signal input, which ...
Development board for the ATmega4808 series microcontrollers with integrated USB-to-serial converter, 32.768 kHz crystal for the RTC, 3.3V voltage regulator, support for bootloader and Arduino IDE.
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