A so-called garbage OLED is not really garbage after all. The HelTec OLED that I got has 128×64 pixels, which is not much, but you can actually play chess on it. Just look through the examples in this ...

The circuit is extremely simple, comprising the sensor, an Arduino Nano, and an OLED display. ... no Arduino ADC to tame. The Si7210 tops out at 0.2T. Eval bords for the series are $29 bucks each.

Using a small OLED screen in combination with the Arduino Nano together with a couple of buttons and 16-bit ADC for precise measurements the multimeter has been finished within simple 3D printed ...

The output of the device is read by an Arduino Nano, which is hooked up to a string of WS2812B LEDs and a small OLED display. The LEDs display the bearing of magnetic north, ...

The tiny Pixel 2.0 is basically an Arduino board wedded to a tiny 1.5" 128x128 color OLED screen. This means you can stick it inside a wearable and TechCrunch Desktop Logo TechCrunch Mobile Logo ...