A collection of Arduino sketches for the various ESP32+LCD PCBs which we collectively call "Cheap Yellow Displays". Not every project is targeted to run on every permutation of CYD. My 2 favorite ...

In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...

In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

Today I learned that WiFi and Bluetooth LE could NOT be used simultaneously on Arduino boards featuring the ESP32-based u-blox NINA-W102 wireless module, ...

This library is not tested with hardware yet. (it is based upon datasheet + app note). If you have hardware and can test with SPI, please let me know (open an issue). The BL0940 is a configurable ...

These days, you can buy full graphical LCD or OLED displays for just a few dollars. However, if you’re so inclined, you can actually get your own segmented LCDs made to suit your own projects. [Icoso ...

These days, it’s pretty easy to slap together a single-board computer and a cheap LCD screen to whip up a cool cyberdeck fast ...

If you’re shopping for a 55-inch TV, you’re looking at what is arguably the sweet spot of the modern TV market. 55 inches is big enough to feel properly cinematic in most living rooms, but still small ...

LG's 2026 OLED TV lineup is closing in fast, and while we're excited to see what the G6, C6, and even the new W6 models have to offer, there are still a handful of top-notch models from 2025 that ...