Circuit diagram

Finally got around to write the last post on the automated drawer light. The circuit is really simple. the 12V is always on. when the IR LED is shining light on the photo transistor, it conducts. This result in the gate of the NMOS (Q1) is being pulled low. Again, …

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Automated Drawer lights

Electronics, how hard can it be? Not very hard it seems. First I will try to describe the project with words: The idea is that when I open the drawer, the lights will go on. A switch – simple. Well, no. I don’t have the luxury of switches, because of …

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Automated Drawer Lights

The inspiration to this project goes way back. When we had gotten new furniture in the bedroom which supposedly should be helping with organizing clothes, I quickly found that the bedroom was too dark to find black socks/boxers in a drawer – I needed light! But why should I have …

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