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Some good tips here. I just built one and it worked perfectly. Use a decent soldering iron or station - and don't practice your first soldering on this board. Go get some breadboard and wire or a small electronics kit at Radio Shack and practice on that. Some of the solder pads on the HM...

Just finished mine - thermocouple version. I haven't done any assembly work in quite some time, really enjoyed this little project.

Thanks for the clarification. I thought maybe I bungled a solder joint. And that would have disturbed me since I once worked as a NASA-certified wireman who had to create hundreds upon hundreds of perfect solder joints, subject to multiple levels of inspection. LOL. I'm only waiting on my...

Ok, I figured it out. The "Test" button doesn't do anything. The following conditions seem to be required: - Probe must be plugged in - A Threshold temp needs to be specified for the probe (I picked a few degrees above the current ambient reading) - the alarm must be Enabled - The Config...

I had to go through three wall warts to find one that was close to 12V. The two from Linksys I had measured 16vdc+ no-load and 14.5vdc when connected. I tried a laptop supply and that was close to 12.5vdc noload and 12.4 when connected. I don't have a scope I'll bet they're pretty noisy too...

I assume that in the configuration page, if I click "Test" I should hear a tone from the speaker but nothing happens. I have 12.4v at the junction of the 1K resistor and the speaker (and the leg of Q2). and I read zero on the other two Q2 legs, which I believe is normal. What else can I check...

All fixed again - thank you!

Just completed a new build and it seems to be okay. It was working before I got brave and bungled the network configuration while attempting to set a static IP address. I did a "Reset" via the button and that didn't help, I did the norestore option from the Wiki and that didn't help...