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Author Topic: EBAY Soldering Iron Station Temperature Controller T12 Handle Circuit Board  (Read 6247 times)

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Offline paulcTopic starter

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EBAY Soldering Iron Station Temperature Controller T12 Handle Circuit Board
« on: June 10, 2015, 11:26:44 am »
« Last Edit: June 10, 2015, 02:31:48 pm by paulc »
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Offline peter.mitchell

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Re: EBAY Soldering Iron Station Temperature Controller T12 Handle Circuit Board
« Reply #1 on: June 10, 2015, 02:04:54 pm »
lm358 has big input offset - would not use.
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Offline paulcTopic starter

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Re: EBAY Soldering Iron Station Temperature Controller T12 Handle Circuit Board
« Reply #2 on: June 10, 2015, 02:33:49 pm »
I need the explanation of the circuit assuming a zero offset op-amp, then I will look at the offset.
Paul
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Offline GreyWoolfe

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Re: EBAY Soldering Iron Station Temperature Controller T12 Handle Circuit Board
« Reply #3 on: June 10, 2015, 02:34:19 pm »
Here is a review on a different T12 controller:


It doesn't seem like any of these units are worth anything.
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