Ok, I have finished doing the project and its a bit, well, bare. There was no time to design a proper PCB (it would take three weeks and a lot of chemicals, which is a no-no since baby is around) nor house it in a nice cute casing. Unfortunately, after buying the connectors and tubings, I went RM10 over budget. Not only that, while testing the circuit board, one of the diodes and LEDs decided to commit suicide electronically. So, only seven units survived my torture test.
But come to think of it, with the 12Volts supplying power to the circuit, by my calculation, (assuming the LED takes 2Volts), the current going through the LED is about three times of a normal LED and this is quite bright already. So, if they're not bright enough, maybe a 5Watt Luxeon should do it (and blind everyone in as well).
But come to think of it, with the 12Volts supplying power to the circuit, by my calculation, (assuming the LED takes 2Volts), the current going through the LED is about three times of a normal LED and this is quite bright already. So, if they're not bright enough, maybe a 5Watt Luxeon should do it (and blind everyone in as well).
Ok, they're all tested and there's no smoke coming out, so.....
All packed and ready for pickup
I wonder if I should stick the double-sided tapes on the bottom of the circuit board....
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