Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This ...

However, since the E Ink display has a low refresh rate, developer Ashtf has devised an interesting solution. He has a smaller OLED display on which anything you type shows up instantly.

Case in point, Make’s guide to make your gigantic, Jumbotron-esque LED video screen. The project here is powered by a Teensy microcontroller, a bunch of LED strips, and a handful of other parts.

The tiny Arduino development board is powered by the ATSAMD21G18A, the same microcontroller used in the PocketStar and Arduino Zero. Offering enough power to display 3D graphics and videos on the ...

DIY Arduino radar with display 10:27 am March 6, 2019 By Julian Horsey ...

However, his latest video uses some a MAX7219 to create a 600 character scrolling LED sign. You can see a video of the thing, below. Spoiler alert: not all characters are visible at once.

There are so many nice hacks in [Joekutz]’s retro LED display project that it’s hard to know where to start. There’s his DIY LED display controlled by an Arduino UNO. To have some… ...