Category: led flashing
LED Phototherapy Unit
| May 7, 2011 | Posted by admin under led flashing, led lamp |
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It is widely thought that light can be therapeutic for the human skin and soul. Light at the correct wavelength may also be effective against depression and allergies. There is a wide range of products on the market, at prices from a few tens of pounds to a hundred pounds or so, which are presented…
Powerful LED flasher by mosfet
| May 30, 2010 | Posted by admin under led display, led flashing |
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This is the circuit diagram a powerful LED flasher. High power LEDs are very common in the market now and a 1W high power LED is used here. Transistors Q1 and Q2 are wired as an oscillator which produces positive pulses of width 20ms @ ½ Hz. Transistor Q3 and MOSFET Q4 inverts this pulse…
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