ITEM NAME:Pro Micro ATmega32U4 5V 16MHz Module Board Replacement ATmega328 Pro Mi LPD Descriptio n Description 100% new high quality Material: Electronic components Color: picture color Size: 33.3 * 1.8mm Product Description: 1. ATMEGA32U4 runs at 5V / 16MHz 2. Support Arduno IDE V1.0.1 3. Micro USB interface programming on the board 4.12 Digital I / O (5 PWM function) 5.4 10-bit ADC pin 6.Rx and Tx hardware serial connection Product list: 1 MCU development board Feedback If you are satisfied with our products and services, please leave "positive feedback" and our system will provide the same feedback ASPS. If you are not satisfied with the product when you receive the product, you can.Micro USB interface programming on the board. Rx and Tx hardware serial connection. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. We'd like to settle any problem in a friendly manner.