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 ...
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 ...
There’s a well-known movie trope in which a hacker takes control of the traffic lights in a city, causing general mayhem or ...
After 6,500 hours of heavy productivity use, we revisit our intentionally abused 4K QD-OLED monitor to see how burn-in has ...
What hardware hacker doesn’t have a soft spot for transparent cases? While they may have fallen out of mainstream favor, they have an undeniable appeal to anyone with an interest in ...
Using a single GPIO port on a microcontroller to control N bits of arbitrary parallel binary outputs, e.g., a multi-digital display.