“CAP-ESR-FREQ meter with an Arduino Duemilanove. In this instructable you can find all neccessary information about making a metering instrument based on an Arduino Duemilanove. With this instrument you can measure capacitor values in nanofarads and microfarads, the …

“Make your own pocket disco with some music controlled LEDs. All you need is some music or sound and theLEDs will dance around to the sound. This is a really run little circuit to build and only needs a few …

“In this instructables I will be making 3 Easy Projects using Transistors and some components and Battery. These are really easy projects that you can do for school project and can be constructed on breadboard and need NO Soldering!. The …

“This project is to build cyclic on-off programmable timer. In this project user can set ON timer and Off time using keys and 7 segment display. Relay is provided as output, where relay will be remained ON for ON time …

“Transient Clap Switch Circuit is the circuit which turns ON with a clap sound. The output remains ON for some time and then turns OFF automatically. The time of activity can be controlled by varying the value of capacitance of …

“Hi everyone, so……I have the tennis ball hanging from the roof in my garage to show where to stop when parking in the garage. (You know…..the one that constantly lobs you in the head when you walk around …

“Hello Friends, This instructable deals with electromagnetic relays. They are electromagnetic switches working based on the principle electromagnetic induction. E-M Relays are used where any circuit with a different voltage level has to be controlled using a low voltage level …

“Background story: My bass playing friend was getting married and I wanted to build him something original. I knew he has a bunch of guitar/bass effect pedals, but I never saw him use a compressor, so I asked. He …

“How to make a water level indicator to save water from overflowing with Motor Dry run prevention. A water level indicator is used to show the level of water in an over head tank. This keeps the user informed about …

“Hello friends this is my another video, this is a simple project which is very useful in every home, the main attribute of this project is that, it is very simple and anybody can make this with almost zero knowledge …