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, accelerometers, sensors, etc
