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While clearing my store, i found my old desk lamp, non working desk lamp. Despite repairing, i rather convert it to LED which is better brightness and energy ...
The parts of desk lamp when dismantled.
The circuit and LED arrangement are made using PCB software.From the software using P-Cut machine the layout of circuit are made
After submerge the board into the ferric chloride acid, the remaining sticker are removed to reveal the copper trace
The board are stick with chrome sticker as reflector and and drilled for LED
The LED used here are piranha type from ebay. just about MYR 0.25 each.
The completed LED board wire soldered and mounted using copper stand to the plastic body.
All components used as power supply for the LED lamp. Just a simple LM7805 voltage regulator circuit. after all components soldered and tested, the board and transformer are ...
All arm and lamp parts are assembled as original condition with proper wire dressing.
the power supply board and power transformer are screwed and mounted properly with proper arrangement for cover.
Excess silver shining sticker removed, and the lamp are tested Ready to light...
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