RE: [london-hack-space] Loose connection in rear doorbot

[Paddy Duncan]

The last time it died totally, it was the relay contacts worn away (there’s a relay board separate to the Launchpad), I replaced the relay.

It’s quite easy to confirm, with a voltmeter on the relay coil vs on the contacts.

I’ll get another if someone can confirm this is the case

 

 

From: london-h...@googlegroups.com [mailto:london-h...@googlegroups.com] On Behalf Of Alex McConnachie
Sent: 19 October 2016 09:28
To: London Hackspace <london-h...@googlegroups.com>
Subject: [london-hack-space] Loose connection in rear doorbot

 

About half the time, rear doorbot is working but the connection to the electronic lock isn't. This morning I turned up to three people locked out of the space and we had to "bypass the lock" to get inside and last night on open evening in happened as well.

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[Peter "Sci" Turpin]

Could we perhaps switch to a solid-state relay?

On 19/10/2016 11:32, Paddy Duncan wrote:
> The last time it died totally, it was the relay contacts worn away
> (there’s a relay board separate to the Launchpad), I replaced the relay.
>
> It’s quite easy to confirm, with a voltmeter on the relay coil vs on the
> contacts.
>
> I’ll get another if someone can confirm this is the case
>
>
>
>
>

> *From:*london-h...@googlegroups.com
> [mailto:london-h...@googlegroups.com] *On Behalf Of *Alex McConnachie
> *Sent:* 19 October 2016 09:28
> *To:* London Hackspace <london-h...@googlegroups.com>
> *Subject:* [london-hack-space] Loose connection in rear doorbot