3Pcs Pro Mini ATMEGA328P 5V / 16M Improved Version Module Development Board

Feature Professional version of the Mini Pro is a micro controller circuit board It has 20 digital input output pin six of them can be used as a PWM output 8 analog input a 16MHZ resonator a reset button the installation hole lead foot Technical parameters 14 digital input output port RX and TX D2 D138 analog input port A0 A71 pair of TTL level serial port transceiver port RX TX6 PWM port D3 D5 D6 D9 D10 D11Using Atmega328P AU microcontrollerSupport serial downloadSupport for external 5 V 12 V dc power supplySupport 9v battery powered16 MHZ clock frequencySize 33 3 x 18 mmPackage included 3 x Pro Mini ATMEGA328P 5V 16M Improved Version Module