Product description:

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.

Pro Mini Atmega328 3.3V 8Mhz
It has been programmed for its bootloader, without the user to buy ISP burner for programming, user-friendly.
This board connects directly to the FTDI Basic Breakout board and supports auto-reset.
Low-voltage board needs no interfacing circuitry to popular 3.3V devices and modules (GPS, acceleromete, senso, etc