Pro Micro - 5V/16MHz - DEV-12640 - SparkFun Electronics

Trying to understand Sparkfun Pro Micro design - Other Hardware

Qduino Mini V2 (Sparkfun DEV-13614) tiny Arduino-compatible board

DEV-12640 - SparkFun, Pro Micro 5V 16MHz

ATmega32U4 5V16MHz Module Pro micro Leonado - ขาย Arduino อุปกรณ์ฯ

MouseMover

SparkFun Pro Micro - 5V/16MHz at MG Super Labs India

Arduino Pro 328 - 3.3V/8MHz - DEV-10914 - SparkFun Electronics

SparkFun Qwiic Pro Micro - USB-C (ATmega32U4) - DEV-15795

Pro Micro - 5V/16MHz - DEV-12640 - SparkFun Electronics