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Author Topic: Ebay relay switch  (Read 1978 times)

cos918

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Ebay relay switch
« on: April 22, 2013, 06:35:38 am »

Hello
all
http://www.ebay.co.uk/itm/5V-Indicator-Light-LED-One-1-Channel-Relay-Module-Arduino-ARM-PIC-AVR-DSP-/171017943611?pt=UK_BOI_Electrical_Components_Supplies_ET&hash=item27d176ba3b

will the above relay work on a spare channel on a 2.4ghz reciver ie channel 5 or 6 which is a toggel switch on the transmiter.

John
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sparkey

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Re: Ebay relay switch
« Reply #1 on: April 22, 2013, 06:56:28 am »

 %% Yes it will, draws about same current as servo,switching current 10amps which is quite a lot, what are you switching lighting?Ray. :embarrassed: :embarrassed:
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malcolmfrary

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Re: Ebay relay switch
« Reply #2 on: April 22, 2013, 09:35:50 am »

Since the advert clearly says "ARDUINO"  and not "RC" I suspect that it just provides power to operate the relay, and responds to a logic level output from the ARDUINO rather than the coded signal from an RC RX.  If it uses a PIC to convert the logic level to a relay operating value, it will probably need a differently programmed one to take the encoded signal from the RX and operate the relay.
Looking more closely at the pictures, I cant spot a PIC - 2 LEDs, 2 resistors to supply the LEDs, a diode to stop the relay back emf killing anything, a two legged device that might be a resistor giving a connection to drive a transistor, and a transistor.  Not at all bad for the price and convenience, but nothing to allow it to work directly off a radio control receiver.  The extra bit of circuit is what makes proper switchers cost what they do.
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sparkey

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Re: Ebay relay switch
« Reply #3 on: April 22, 2013, 10:19:22 am »

 :-)) Sorry cos918,I misunderstood what you were saying,a method which I have used in the past is to use an old servo,make the arm into
a cam,buy a micro switch from maplins for £2.50.set it up so cam operates switch arm, this will take 12amps enough for most uses, simple
method does the same job,Ray.

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Martin (Admin)

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cos918

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Re: Ebay relay switch
« Reply #5 on: April 22, 2013, 05:28:40 pm »

HI all
than you for the advice on the ebay link. Shame as they are realy well priced. I have seen the Action one but I think the £20 is a bit steep for what it is.
Martin I had seen a thread on here using that switch you sent an ebay link for. Troubel is finding them . I will carry on looking and worse case I can use a cheep servo and a switch.

John
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malcolmfrary

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Re: Ebay relay switch
« Reply #6 on: April 22, 2013, 09:08:47 pm »

HI all
than you for the advice on the ebay link. Shame as they are realy well priced. I have seen the Action one but I think the £20 is a bit steep for what it is.
Martin I had seen a thread on here using that switch you sent an ebay link for. Troubel is finding them . I will carry on looking and worse case I can use a cheep servo and a switch.

John
Simple, really.  Just look up "rc switcher circuit" on google, then using one of the very many circuits you will find, build one. I suspect that you will then understand the last sentence in my previous post.
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