Date   : Thu, 18 Jul 2013 12:48:48 +0100
From   : anthonbd@... (Anthony Brett Davies)
Subject: bbc-micro Digest, Vol 82, Issue 5

Does the electron have a motor relay? Thought the relay was only on the BBC.

Sent from my iPhone

On 18 Jul 2013, at 12:00, bbc-micro-request@... wrote:

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> Today's Topics:
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>   1. Electron - Motor Control Relay (Rich Mellor)
>   2. Re: Electron - Motor Control Relay (Wookie)
>   3. Re: Electron - Motor Control Relay (Rich Mellor)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Wed, 17 Jul 2013 16:29:21 +0100
> From: Rich Mellor <rich@...>
> Subject: [BBC-Micro] Electron - Motor Control Relay
> To: BBC micro mailing list <bbc-micro@...>
> 
> Hi,
> 
> Does anyone know the specifications for the motor control relay in the 
> Electron?  Is it just a 5V mini relay?
> 
> I have an Electron here where the motor control is not working - there 
> looks to be some damage around one of the relay pins - the cable is 
> fine, but output is about 200mV (!)
> 
> -- 
> Rich Mellor
> RWAP Services
> Specialist Enuuk Auction Programming Services
> 
> www.rwapservices.co.uk
> 
> 
> 
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Wed, 17 Jul 2013 21:05:13 +0100
> From: Wookie <bbcmicro@...>
> Subject: Re: [BBC-Micro] Electron - Motor Control Relay
> To: bbc-micro@...
> 
> On 17/07/13 16:29, Rich Mellor wrote:
>> Hi,
>> 
>> Does anyone know the specifications for the motor control relay in the
>> Electron?  Is it just a 5V mini relay?
>> 
>> I have an Electron here where the motor control is not working - there
>> looks to be some damage around one of the relay pins - the cable is
>> fine, but output is about 200mV (!)
> Errr... what output ? the relay should only connect pins 6 & 7 of the 
> cassette interface together when you do a *motor 1 and it should be open 
> circuit when you do *motor 0
> 
> It might be *motor0 and *motor1 ... it's been a long time.
> 
> If the relay is knackered I can open up one of my electrons and get the 
> spec of the relay for you.
> 
> Cheers
> Wookie
> -- 
> The problem with America is stupidity. I'm not saying there should be a 
> capital punishment for stupidity, but why don't we just take the safety 
> labels off of everything and let the problem solve itself?
> 
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Thu, 18 Jul 2013 09:51:36 +0100
> From: Rich Mellor <rich@...>
> Subject: Re: [BBC-Micro] Electron - Motor Control Relay
> To: Wookie <bbcmicro@...>
> Cc: bbc-micro@...
> 
> On 17/07/2013 21:05, Wookie wrote:
>> On 17/07/13 16:29, Rich Mellor wrote:
>>> Hi,
>>> 
>>> Does anyone know the specifications for the motor control relay in the
>>> Electron?  Is it just a 5V mini relay?
>>> 
>>> I have an Electron here where the motor control is not working - there
>>> looks to be some damage around one of the relay pins - the cable is
>>> fine, but output is about 200mV (!)
>> Errr... what output ? the relay should only connect pins 6 & 7 of the
>> cassette interface together when you do a *motor 1 and it should be open
>> circuit when you do *motor 0
>> 
>> It might be *motor0 and *motor1 ... it's been a long time.
>> 
>> If the relay is knackered I can open up one of my electrons and get the
>> spec of the relay for you.
>> 
>> Cheers
>> Wookie
> 
> Hmm - maybe it is the lead then after all, as I have just tried plugging 
> the lead into the cassette player's remote socket - the motor does not 
> run when I press PLAY (as expected).
> 
> However, even if I join pins 6 and 7 in the DIN plug end together, the 
> motor still does not run.
> 
> 
> -- 
> Rich Mellor
> RWAP Services
> Specialist Enuuk Auction Programming Services
> 
> www.rwapservices.co.uk
> 
> 
> 
> 
> 
> ------------------------------
> 
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> End of bbc-micro Digest, Vol 82, Issue 5
> ****************************************