Main Content



Motion Activated Lamp Switch

Motion Activated Lamp Switch

“Whenever we leave our desk or room, most of the time we forget to turn off the lights there. This causes loss of electricity and increment in your electricity bill. But what, if the lights get turnoff automatically, after you …

more ...


DIY Musical Doorbell

DIY Musical Doorbell

“Learn how to make a simple musical bell using the UM66T melody generator IC. The Melody Generator will play Beethoven’s Fr Elise when triggered since it uses the UM66T-19L. There are different versions of this IC, each configured …

more ...

How to Make a Siren Generator

How to Make a Siren Generator

“Learn How to Make a DIY Electronic Siren Generator circuit that can produce police car siren, emergency ambulance siren & fire brigade sound using the IC UM3561a Siren Tone Generator. The circuit only requires a few components and can be put …

more ...