Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
I made a LED setup with blue and red LED that is supposed to help me with indoor planting. I used total 4 LEDs (2 Red and 2 Blue) for one pot of Portolaca flowers. But I think it is not simulating the sunlight properly. How many LEDs am I supposed to use? How should I make the connection?
Recently, I opened up a DVD writer drive for curiosity to see its insides and mechanisms. While the drive casing was open, I plugged SATA power and signal cables to it to see it in action (opening and closing the tray while the laser/lens unit is trying to check if a valid disk is inserted or...
Hello everybody!
I own a little beverage store and as an advertisement I hung a 12-pack (4X3 bottles) of emptied PET water bottles with a price tag (above the water pack) from my fence on a rod near the road. It moves a bit in the wind and gained some attention. To make it more attractive I'd...
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