ATTINY85 Digispark kickstarter mini USB Development Board

ATTINY85 Digispark kickstarter mini USB Development Board is a high-quality electronic component designed for Arduino, prototyping, and educational electronics. The Digispark is an Attiny85 based microcontroller development board similar to the Arduino line, only cheaper, smaller (about the size of a quarter), and a bit less powerful. With a whole host of shields to extend its functionality and the ability to use the familiar Arduino IDE.
SPECIFICATIONS:

Support for the Arduino IDE 1.0+ (OSX/Win/Linux)
Power via USB or External Source – 5v or 7-35v (automatic selection)
On-board 500ma 5V Regulator
Built-in USB
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)
8k Flash Memory (about 6k after bootloader)
I2C and SPI (vis USI)
PWM on 3 pins (more possible with Software PWM)
ADC on 4 pins
Power LED and Test/Status LED

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It’s perfect for DIY makers, students, and anyone building custom electronic circuits or STEM kits.