Specifications:
Main Chip: Atmega328P-AU.
The bootloader is already installed in the board.
Flash Memory: 32 KB of which 2 KB used by bootloader.
8MHz clock frequency.
USB connection off board.
Supports auto-reset.
Max 150mA output.
Over current protected.
Support external power supply 3.3V.
Size: 33mm*18mm*6mm.
14 digital input / output port: RX, TX, D2 ~ D13.
8 analog input ports: A0 ~ A7.
1 pair TTL level serial transceiver port: RX / TX.
6 PWM ports: D3, D5, D6, D9, D10, D11.
Note:
*** Pro mini modules have a lower max current draw than the bigger UNOs and MEGAs,
so do not run too many things off of VCC.
Package included:
3* HiLetgo Pro Mini ATMEGA328P 3.3V 8MHz Module