Adafruit METRO 328 - Arduino Compatible - with Headers - ATmega328 loRa HAT for Raspberry Pi Wide Compatibility: Works with both

Wide Compatibility: Works with both 3V and 5V logic systems

and a HAT-compatible 40-pin header for extending the board’s functionality

Suitable driving circuits operate a buzzer

PWM Rate: With a PWM rate of ~400 Hz

capable of running up to 1

Adafruit METRO 328 - Arduino Compatible - with Headers - ATmega328 loRa HAT for Raspberry Pi Wide Compatibility: Works with bothThe Adafruit METRO 328 is a fully assembled and tested Arduino compatible microcontroller board with through hole headers attached. It features the ATmega328P running at 16MHz with 32KB flash memory and 2KB RAM, compatible with Arduino UNO R3 shields and boards. This board works with the Arduino IDE (desktop and cloud) by selecting 'Arduino UNO' in the boards menu. Power the METRO with 7 9V DC or via the micro USB connector for 5V USB sources. An on