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 bought a USB desk lamp. It has a power switch + 2 switches to increase/decrease brightness. But these buttons are hard to press, very slow to operate, and even the darkest setting is still very bright.
I'd love to add a true dimmer switch, so I can quickly turn it on and set the brightness in...
I remember either Electronics Hobbyist or Electronic Experimenter's Handbook from the early 1980's featuring a light dimmer circuit named Dynadim. The circuit dims an incandescent light bulb with a preset delay using a slide potentiometer interfaced to a MOSFET ( dual-gate like a 40673?)...
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