Microduino actually isn't the smallest Arduino clone on the market. The Femtoduino, boasting the "same power and pin count of an Arduino Uno," measures just 0.81" × 0.6".

All Arduino-compatible boards and extension modules created by Microduino are about the size of a quarter and stackable, which makes it easy to build micro-robotics and other small projects.

Maybe interested in a new super small Arduino Mega clone development board, that has been created by Mike from Megadom, which offers a tiny board that is smaller than an Arduino Uno.

Sporting 14 digital input/output pins, 6 analog inputs, a 16 MHz crystal oscillator, and even a USB connection, the SainSmart UNO is ready to help you build stuff like infrared sensors, remote ...

Posted in Arduino Hacks, Microcontrollers Tagged ai, arduino, deep learning, machine learning, ml, uno ← Hackaday Links: June 30, 2019 The Comforting Blue Glow Of Old Time Radio → ...

Scheduled to appear in late May, Uno R4 will come in two versions: the plain ‘Uno R4 Minima’, and ‘Uno R4 WiFi’ with an Espressif S3 WiFi module that also gives it Bluetooth Low Energy. “We ...

I'm a big fan of the Teensy, which is both a lot smaller than standard Arduino and (in the current version) a lot more powerful and easy to program. Not quite this small. But it retains USB ...