It’s a simple robot that drags a pen around to draw on paper. [Tim] decided to build one that uses a simple skid-steer design to get around the page. An Arduino Nano is the brains of the ...

An Arduino Nano controls it, but since you only need one output pin to run the servo, you could easily use an ESP8266. He went ahead and added a small OLED screen and a few buttons too — he’s ...

As the Arduino Nano and Micro cost the same ($24.90), deciding ... DIY devices like portable environmental sensors or mobile robots, you can't go wrong with the Nano. Its size makes it easy ...

The Nano also conveniently works with the Arduino IDE out of the box ... and even mobile robots and drones. Given its slim profile, you'll have no issue fitting it into tight spaces.