Info Manual

This is a test if high power led can be used as led  headlight, and to replace my sinski beta 150cc bulb headlight with this. It is a 7 strings of 3 watts high power led that will driven at 28v 700mah. Although the unit is not in near completion because of thermal reliability. I have not incorporate it on my scooter just yet.


This is the beam..(shot taken away from the beam of the led to protect the ccd of my camera). It is not quite powerful because as i had said, there is a thermal runwaway on my CC driver. I had used the NCP3063 by on semiconductor and I based the design on their datasheet. with an efficiency of 79% which is too low for my desired application and those power losses gone to waste by heat build up.




This is the video of the beam shot which was taken at a very dark place without any other light aside from the led.

Ever seen a ford expedition with just a full REAR red lights where a signal, tail and brake lights are done by those RED lights. They are called INTEGRATED rear lights and can be done on motorcycles too. Take a look at the video. This was the very first version of my diy works with my bike a long time ago, to where my signal lights tail lights and brake lights are compose with just an array of led at the rear.







Circuit:

I used this circuit posted led-brake-light This will be your TAIL/BRAKE light controller, it needs two of this for left and right led array assembly. to incorporate the SIGNAL lights on this circuit, we have to use two 12 volts miniature relay.







two of this single pole single throw relay will be used to switched the negative line of the led array on the circuit above. The NC or normally closed pins will be used. Look at the modified schematic below.








Cut the negative path of the led array from the driving mosfet and wired it to the normally closed pins of the relay so that when powered on the path of that negative pin of the array is still connected. And when you turn on the signal lights, the relay will be activated thus cutting the line of the led array producing a flashing effect on your integrated rear lights. This circuit by the way will be on all the time, that when you on the ignition switch, your tail light must be on so that the rear signal lights function during day time.


Part list:

D1-D2= 1n4007
ZD1= 15volts /1watt
ZD2= 9-14 volts / 500mw
L1=22uh
C1=15uf/35v
R1 / R4= 10k ohms
R2 = 1.3 ohms
R3 = 16.1 ohms
R5 = 2.2k ohms
VT1 = 2n3904
VT2 / VT3 = mtp3055e (mosfet)

for signal lights add on

RL1 / RL2 = 12 volts miniature pcb relay