The professional version of Mini Pro is a microcontroller circuit board. It has 14 digital input/Output pins (6 of them can be used as a PWM output), 8 analog inputs, a 16MHz/8MHz resonator, a reset button, and mounting holes to the pin head.
Output Voltage: 5V & 3.3V Optional
Crystal oscillator Frequency: 16MHz or 8MHz Optional
Technical parameters:
1.14 Digital input/Output Port Rx, TX, D2~D13,
2.8 Analog input Ports A0~A7
3.One Pair TTL level serial port RX/TX
4. 6 PWM ports, D3, D5, D6, D9, D10, D11
5. With Atmel Atmega328p
6. Support Serial Download
7. Support external 3.3V-12V DC power supply
8. Supports 9V battery power supply
