| This project lets you scroll text on a bank of eight 8 × 8 LED matrix displays. It uses a Wi-Fi module of type ESP-12F (based on the ESP8266...
| This project lets you scroll text on a bank of eight 8 × 8 LED matrix displays. It uses a Wi-Fi module of type ESP-12F (based on the ESP8266...
| In the animal world, the males of the species don't have it easy finding a partner – they sometimes have to prove in fierce (mock) fights wi...
| Believe it or not, there was a time when hobbyists found 7-segment displays with red LEDs (cutting-edge technology at that time) hard to com...
| Supposing you’d want to bring some light into a boat or campervan during the evening you could connect a couple of 12-V incandescent lamps t...
| In the past, rheostats (today also called potentiometers) were connected in series with a load to control the current owing through the loa...
| During the darker days we're very keen to light things up a bit. (Christmas) lights are sprouting from the ground like mushrooms. This progr...
| A friend who knew I was handy with a soldering iron asked if I was willing and able to make a remote controller to operate his three (!) gar...
| Conventional low-energy lamps are a dying breed as we have entered the LED era. LEDitron is a seven-segment display module made from LED fil...
| A proportional radio control is ideal for controlling the speed and direction of model cars, planes or boats. Unfortunately, there are often...
| Sure, you can easily buy an LED flashlight at the hardware store. But where's the fun in that? This DIY LED flashlight offers up to 78.8% ef...