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 need to use the USB TinyShield Adapter Board.
This TinyDuino Processor Board is the "With Lithium Battery Support" version - it has an on-board Lithium battery charger that will charge a battery when attached to USB.
Features
Atmega328P processor (same as is used on the Arduino Uno)
Power Switch
Status LED
8MHz ceramic resonator
External power supported with a 0.1″ power connection holes
Supports automatic switching between +5V and VBATT (if +5V is present, it will be used instead of the battery)
To learn more about the TinyDuino Platform, click here
Specification
Arduino Compatible
Expandable with Stackable TinyShield Boards
Lithium battery connector and charger
0.1″ spaced solder holes for external power source
Robust Gold Finish – makes soldering easy and is non-corrosive
Ultra-compact size and weight (smaller than a US Quarter!)
20mm x 20mm (.787 inches x .787 inches)
Max Height (without battery holder): 2.9mm (0.12 inches)
Ultra-thin 0.61mm (0.024 inches) PCB
Weight: 1.10 grams (0.039 ounces) - Lithium version
Atmel ATmega328P Microcontroller
32KB Flash, 2KB RAM, 1KB EEPROM
1.2mA (typical) @ 3V, 4MHz
Default Clock speed: 8MHz
2.7V – 5.5V operating voltage
20 I/Os (14 Digital, 6 Analog / Digital I/O) – All the signals on the Arduino Shield connectors are supported!
Arduino Bootloader preprogrammed (uses approx 0.5 KBytes of Flash Memory)
If you are brand new to the TinyDuino, buying a kit is the best way to go since it will have all the parts needed.
This board does not include a voltage regulator – do not supply more than +5.5V to VBATT or the +5V signal or you will permanently damage the board and ruin your day.
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