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 ...
The security flaws on this common hotel keycard lock are nothing short of face-palmingly stupid. Look closely at the picture above. This is a hotel room door swinging open. The device he holds in his ...
Welcome back to the world of Force Sensitive Resistors (FSRs), and a revision of my original entry in 2015. https://www.edn.com/arduino-fsr-experiment-and-a-garbage ...