In Rodney Spark's design (which is still excellent), he used a 3-prong Panel Mount Connector to make the RTD probe and its 3 leads detachable. This connector reminds me of the type of connector you would see backstage for heavy duty audio equipment. It includes a built-in latch mechanism and was easy to solder, but gave me a problem during the Creme Brulee cook.
To be fair, the root cause of the problem was my inexperience in soldering. I had unsheathed too much of the leads on the probe side of the connector and the bare leads were touching and not sending the correct signal. I thought this was occurring on the side of the connector in the box, which was driving me mad. The fix came with a bit of electrical tape wrapped around the exposed leads to insulate them and keep them apart. Things are working fine now.
I do, however, plan to supplement this connector with 2.5mm tip-ring-ring-sleeve connector like you have on your iPhone. This will also give me 3 leads (4 actually) and I'm thinking in a pinch I can also use the thermocouples from my Maverick or iGrill with a little creativity.
I do, however, plan to supplement this connector with 2.5mm tip-ring-ring-sleeve connector like you have on your iPhone. This will also give me 3 leads (4 actually) and I'm thinking in a pinch I can also use the thermocouples from my Maverick or iGrill with a little creativity.
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