Atmega328P processor: Delivers the same performance as the Arduino Uno for reliable coding and prototyping
Ultra-compact size: Weighs only 1.10 g and measures 20 mm x 20 mm, ideal for space-constrained projects
Dual power support: Operates with external power or battery, offering flexible deployment options
Gold finish PCB: Ensures easy, non-corrosive soldering for reliable assembly
Supports Arduino shields: Expands functionality with standard Arduino connectors and shields
Summarized by Shop
DESCRIPTION
The TinyCircuits TinyDuino is an Arduino compatible board in an ultra compact package. The TinyDuino processor board is roughly equivalent to the Arduino Uno board – same processor, same signals brought out to a shield connector. In fact, most Arduino sketches will work as is without any changes. To program this board, you nee
Processor
Atmel ATmega328P
Flash Memory
32 KB
EEPROM
1 KB
Operating Voltage
2.7 V to 5.5 V
Clock Speed
8 MHz
Power Connection
0.1 inch spaced holes
PCB Thickness
0.61 mm
Weight
1.10 g
Summarized by Shop
4.2
5 ratings
5
4
3
2
1
Tinyduino Processor (no battery support)
I have purchased many of these Tinyduino Processors. I never had a problem with any of them, even in an outdoor environment. They are powerful, fast, and small size that fits every space. These are perfect for my needs. They do just about everything.
J
JP · April 22, 2026
Told it was an old model after I bought it and it never worked!