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12-17-2016, 09:02 PM | #1 |
Pebble Pounder Join Date: Mar 2015 Location: Ontario
Posts: 116
| Light switch from a servo
Here's a video I made showing how to turn an old servo into a switch for your lights! Let em know what you think! https://youtu.be/8pzTqHDY5d0 |
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12-17-2016, 10:08 PM | #2 | |
RCC Addict Join Date: Sep 2015 Location: Southern Maine
Posts: 1,024
| Re: Light switch from a servo Quote:
I do know you can measure the resistance of the potentiometer at "center", then solder in a resistor with the same resistance and do away with the potentiometer. Ben | |
12-18-2016, 08:14 AM | #3 | |
I wanna be Dave Join Date: May 2007 Location: Vancouver, BC
Posts: 2,376
| Re: Light switch from a servo Quote:
If you want, you can actually control two sets of LED lights with that and have one set or the other on at a time. Because LEDs are polarity sensitive, they will only light with the proper polarity voltage. The servo controller board will output both polarities of voltage. Connect one set of LEDs to the output with the opposite polarity. When the servo signal is in the center position, both LEDs would be off. Move the servo signal one way and one set of LEDs will turn on and move the servo signal the other way and the other set of LEDs will turn on. | |
12-18-2016, 08:50 AM | #4 |
Quarry Creeper Join Date: Dec 2016 Location: Womelsdorf
Posts: 195
| Re: Light switch from a servo
Now this is great Info! Question... Can this be done with a micro servo? Im just thinking compact would be better. |
12-18-2016, 10:37 AM | #5 | |
Rock Stacker Join Date: Dec 2014 Location: Tasmania
Posts: 77
| Re: Light switch from a servo Quote:
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12-18-2016, 11:09 AM | #6 |
Rock Stacker Join Date: Aug 2012 Location: Jacksonville, FL
Posts: 76
| Re: Light switch from a servo
Never thought about the polarity thing, might have to do that for some reverse lights and running my light bar. A micro servo control board should work the same. Sent from my SAMSUNG-SM-G891A using Tapatalk |
12-18-2016, 12:37 PM | #7 |
Pebble Pounder Join Date: Mar 2015 Location: Ontario
Posts: 116
| Re: Light switch from a servo |
12-18-2016, 02:07 PM | #8 |
RCC Addict Join Date: May 2011 Location: at home
Posts: 1,099
| Re: Light switch from a servo
like wow !!! you could also use this for turn signals, and here is the killer question .... if we did not glue the potentiometer and left in all the gears and just paralleled the plug to the motor, could we not use the servo motor and gears to adjust the intensity both up and down? so glad I have a dx7 haha need 4 channels for the crawler, leaves 3 more for servos I can bind channels so one can go with the steering for left right turns the flaps is 3 pos switch so plus zero and minus the other switch is landing gear so it is plus and minus without 4ws one joystick would be dimmable and if only one esc the other joystick could also be dimmable. thanks just fu***ng brilliant Canadian now to learn about leds and what resistors to use how many leds per resistor etc. any help/info would be appreciated Last edited by cabron; 12-18-2016 at 02:11 PM. |
12-18-2016, 02:27 PM | #9 |
I wanna be Dave Join Date: May 2007 Location: Vancouver, BC
Posts: 2,376
| Re: Light switch from a servo
It would be difficult to adjust the brightness by turning the pot, but you might find some change with a very small amount of movement. This might help you with your LED questions and wiring: How to wire LEDs Al |
12-18-2016, 02:29 PM | #10 |
I wanna be Dave Join Date: Apr 2015 Location: Roseville, Ca
Posts: 2,506
| Re: Light switch from a servo
This is pretty cool. To bad its limited to rx/servo voltage though, all my lights run off 3s.
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12-18-2016, 02:56 PM | #11 |
RCC Addict Join Date: May 2011 Location: at home
Posts: 1,099
| Re: Light switch from a servo
hmmm thanks al |
12-18-2016, 04:20 PM | #12 |
Pebble Pounder Join Date: Mar 2015 Location: Ontario
Posts: 116
| Re: Light switch from a servo |
12-18-2016, 04:23 PM | #13 | |
Pebble Pounder Join Date: Mar 2015 Location: Ontario
Posts: 116
| Re: Light switch from a servo Quote:
PS Super jealous of your DX7!! I have a DX4S and am out of channels for most of my rigs!! | |
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