A relay coil needs a certain amount of watts so it can generate sufficient magnetic force to pull in the contacts. As you lower the voltage, you need...
Put a wall down the middle between the light-dependent resistors, so that it starts to cast a shadow on one of them as the sun moves across the sky....
Your circuit appears to be a capacitor-based voltage multiplier. Current is drawn from the supply in quick bursts at the peak of the AC waveform. It...
Your intermittent problem might resemble mine years ago. My aged scope would make a rapid snapping noise (or buzzing). The beam looked like a row of...
I added a second doorbell at a remote area of a house. I hooked it up in parallel to the existing bell. It turned out the solenoid was unreliable in...
Connectors like that are common in vehicles but it's not likely you'll find an exact match. The variations are so numerous, as to spacing, diameter,...
Stainless steel is a common material in kitchenware. To cut it with a hacksaw is difficult. Power tools make it easier. For instance a metal cutting...
The frequent advice says you should only charge your smartphone from the charger designed for it. Is the battery Li-On? These are the type in recent...
7 years registered
Find latest posts
View Articles
View Blog Entries
