ATTINY85 Digispark kickstarter miniature for Arduino usb development
$4.01

1.Support for the Arduino IDE 1.0 + (OSX/Windows/Linux).
2.Power via USB or External Source or 7-16 v to 5 v (automatic selection).
3.The On - board, 150 ma 5 v Regulator.
4.Built - in USB and serial was debugging).
5.6 I/O Pins (2 are informs the for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
6.8 k Flash Memory (about 6 k after bootloader).
7.The I2C and SPI (vis USI).
8.PWM on 3 pins (more possible with Software PWM).
9.The ADC on 4 pins.
10.The Power LED and the Test/Status leds.
The Specs:
1.Support for the Arduino IDE 1.0+ (OSX/Win/Linux).
2.Power via USB or External Source - 5v or 7-16v (automatic selection).
3.On-board 150ma 5V Regulator.
4.Built-in USB (and serial debugging).
5.6 I/O Pins (2 are used for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
6.8k Flash Memory (about 6k after bootloader).
7.I2C and SPI (vis USI).
8.PWM on 3 pins (more possible with Software PWM).
9.ADC on 4 pins.

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.