Keyestudio Pro mini is used original Atmega328P – AU microcontroll. It has 14 digital input/output pins (of which 6 can be used as a PWM output), 8 analog input, a 16 MHZ resonator, a reset button and pin head for installation bore.
- 14 digital input/output port RX and TX, D2 ~ D13,
- 8 analog input port A0 ~ A7
- 1 pair of TTL level serial port transceive ports RX/TX
- 6 PWM port, D3, D5, D6, D9, D10, D11
- Using Atmel Atmega328P – AU microcontroll
- Support external 7-9V DC power supply
When Keyestudio Pro Mini upload the program.it need to circumscribed USB port module.such as FT232 module.connection wiring as following: