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And my in line version (however the resistor is hidden by heat shrink)
www.youtube.com/watch?v=2hXYXUMu2Ik
1. Snip off the female end of a servo extension
2. Solder the resistor to the base of the transistor (left hand pin)
3. Solder the white wire of a servo extension to the other side of the resistor
4. Solder the red wire of a servo extension to the positive of the LED or lamp holder
5. Solder the black wire of a servo extension to the Emitter of the transistor (right hand pin)
6. Solder a short piece of wire from the Collector of the transistor (middle pin)
7. Solder the other end of the wire to the negative/ground of the LED or lamp holder
Then just connect the servo extension on to a digital port of the EZB. For instance D0
Now, in ARC add a Set Digital control (add, digital, set digital), assign D0 in the config and click the button to turn on and off.
found a skimatic to blinkM. seem simpler and offers a bit more but then i have to pay money which i used to buy the wall-e toy and ez-kit.
If you are powering an LED, connect one wire to a EZ-B Digital port and connect the other to GND.
When you enable the port, the LED will glow. Use a Digital Control to turn ON and OFF the port that you connect the LED to.
LED's require the polarity to be correct. The longer wire of the LED is + and the short wire is -
You can also look inside the LED and notice the electrical connections. You can look and recognize which is - and which is +
BlinkM is great as you can change the colour of the LED, fade from one colour to another and a lot more but it costs more and is bigger. If your Wall-E is the same size as the one I have waiting to be hacked then there isn't much room in the eye. You could probably make it fit but it would be easier to make the TIP circuit.
I've been meaning to do a good tutorial for the TIP circuit for a while, if I get chance tomorrow (and if I can manage to de-solder one of the TIP transistors I soldered to a proto board which I never used in the end) I will knock one up.
So yes, DJ has a much simpler solution. Snip off a servo extension, wire the LED directly to the black and the white wires just like in DJ's pictures.
www.ebay.ca/itm/20X-300mm-Servo-Extension-Lead-Wire-Cable-For-Futaba-JR-/270814992800?pt=US_Character_Radio_Control_Toys&hash=item3f0dd4d9a0
Thanks. when i start my project in the project showcase in march ill give you and Dj a shout out.