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Thursday, November 21st, 2019

Bed Reading Lamp

Categories: [ DIY ]

For quite a while I have been dreaming about a lamp for reading in bed that would be equally usable when lying on my belly or sitting with my back on the wall. It would be wide enough to uniformly light an open comic book (slightly larger than an A3 paper sheet) without causing a glare on the paper, meaning that it should light from above. Finally it must be made of a strip of warm white LED, its brightness must be adjustable and must consume no power when it's off.

And because making things is fun, I wanted to make it myself. There it is.

Reading_lamp

It's made of 60 cm of LED strip glued on the inside of a 15×15 mm aluminium profile, and it's powered by a 12 V, 500 mA power supply, via a dimmer (that has also silly features like strobe effect, blinking and pulsating, but that's no good for reading). The power supply is connected to the mains via a wire equipped with a switch (that effectively cuts the power to the power supply when it's off).

Reading_lamp_wiring Reading_lamp_wiring_inside

To meet the requirement of reading in two different positions, the angle of the aluminium profile can be changed by rocking it. I had to solder thinner wires to the LED strip to prevent it from acting like a spring and holding the lamp back when rocking it.

Reading_lamp_position_A Reading_lamp_position_B

[ Posted on November 21st, 2019 at 17:42 | no comment | ]

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