Often, for certain low voltage lighting systems; you would like to turn off the lights during the bright light of the day. Most commercial day/night switches are designed for AC lighting. This hobby ...

With this sound activated switch, control by sound may be very useful, not just on a robot but also for a bit of home automation, for example a sound-activated light responding to a knock on the door ...

In this project, I'll make a small circuit capable of blinking lights, on its output we get a digital signal that we can use ...

Emergency vehicle in the Berlin-Moabit test area. From now on, three police vehicles and two fire engines in Berlin will be testing the traffic light control system specially developed for them for ...

This is a very simple but useful project, strobe navigation lights for rc airplanes, or you can adjust the flashing time and make it a warning light for a forklift or even a turn signal light for a ...