The Digispark ATTINY85 Mini USB Development Board is an Attiny85-based microcontroller development board similar to the line, only cheaper, smaller, and a bit less powerful. With a whole host of shields to extend its functionality and the ability to use the familiar IDE the Digispark is a great way to jump into electronics, or perfect for when an is too big or too much.
Key specifications
Endurance
10,000 Write/Erase Cycles
In-System Programmable EEPROM
512 Bytes
Bytes Internal SRAM
512 Bytes
ATTINY85 features
Support for the IDE 1.0+ (OSX/Win/Linux)
Power via USB or External Source – 5v or 7-35v (12v or less recommended, 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)
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