I just got hold of an HC-SR04 Ultrasonic Sensor Module. This is a short post on hooking it up to an Arduino Uno and getting distance information from it....Read More
Say you have a microcontroller circuit that does something when it goes dark. To save power, you want to put the chip to sleep when the ambient light ...Read More
This is a small project that I worked on last year. I have a desk made of dark wood, and it was very difficult to see what was inside the bottom...Read More