Output voltage: DC 5V / 3.3V
ATmega328P
No USB cable version
This version can not compatible with OS system

Features:
■ Open the original schematic design, free development software interface download, also allow your needs to be modified, easy and convenient to download the program.
■ Can simply use sensors, all kinds of electronic components connection (such as LED lights, buzzer, buttons and photosensitive resistance, etc.), make all sorts of interesting work.
■ Using high-speed microprocessor controller (ATMEGA328), development interface and environment are all very simple, easy to understand, very suitable for beginners to learn.

Description:
■ Digital I / O: 0 - 13
■ Analog I / O: 0 - 5
■ Support ISP download function
■ Input voltage: DC 5V ~ 9V (No external power supply when connected to the computer)
■ Output voltage: DC 5V / 3.3V
■ Using Atmel Atmega328 microprocessor controller