On Wed, 04 Jun 2014 07:13:26 -0700, Jim Thompson
wrote:
On Wed, 04 Jun 2014 02:03:47 -0400, ehsjr wrote:
On 6/2/2014 7:43 PM, Jim Thompson wrote:
Anyone make an off-the-shelf timer that I can trigger and it'll run
for X-hours then operate a relay?
Or do I have to roll my own?
...Jim Thompson
Start with something like this for $5.00:
http://www.harborfreight.com/lamp-an...mer-40148.html
and add whatever roll your own trigger you want. Plug a wall
wart into it to power the relay.
Ed
How do you _retrigger_ a mechanical timer ?:-)
Give its knob another twist.