Attiny85 Digispark USB is the smallest Arduino compatible development board so far. Originally developed under the name Digispark and released under open source license. It has 6 port with several functions. Depending on the programming (with Arduino IDE) can it have 6 digital I/O, 4 analog inputs or 3 PWM outputs. It can be powered by a USB port or an external power supply of 6…35V DC.
Attiny85 Digispark USB specs:
Support for the Arduino IDE 1.0+ (OSX/Win/Linux)
Power via USB or External Source – 5v or 7-35v
On-board 500ma, 5V Regulator
6 I/O Pins
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
For more information, please follow the link to the official Digispark product page: klick here.
It is very important that you read and understand the instructions since this module is different from standard Arduino devices to program using Arduino IDE. And most requests we receive are related to NOT READING available documentation and instructions…