Added USB connection on board. The product is small. Has 9-channel 10-bit ADC, 5 PWM pins, 12 DIO and hardware serial connection RX and TX. Flash: 32KB.
1PCS ATmega32U4 Pro Micro Controller Board for Arduino Pro Micro Type-C USB 5V
1-10x ATmega32U4 Pro Micro Controller Board for Arduino Pro Micro Type-C USB NEW
10pcs ATmega32U4 Pro Micro Controller Board for Arduino Pro Micro Type-C USB 5V
ATmega32u4 Pro Micro 5V 16MHz Dev Board 2 Pack with USB-C
1PCS Pro Micro 5V/16MHz Leonardo ATMega32U4 Board Micro USB
