The ATtiny85 based mini development board is similar to the , but cheaper and smaller (ofcourse a bit less powerful). With a whole host of to extend its functionality and the ability to use the familiar IDE, this board is a great way to jump into microcontroller electronics. Support for the IDE 1.0+ (OSX/Win/Linux) Power via USB or External Source Onboard 5V Regulator Built-in USB 6 I/O Pins 8k Flash Memory (about 6k after bootloader) I2C and SPI (vis ) PWM on 3 pins (more possible with Software PWM) ADC on 4 pins Power LED and Test/Status LED Colour: Black Material: Plastic + Metal Package Contents: 5 x development board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.