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I want to mount a Taylor 3516 Digital Thermometer in a remote location that can still be seen. It is inconvenient to turn the temperature indicator back on after it has automatically shutoff. Can I modify the circuit to defeat the auto shutdown feature?

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closed as unclear what you're asking by Eugene Sh., ThreePhaseEel, Lior Bilia, Dave Tweed Nov 24 '17 at 18:50

Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

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    \$\begingroup\$ Someone probably can. Can you? We don't know. \$\endgroup\$ – Eugene Sh. Nov 24 '17 at 16:27
  • \$\begingroup\$ Most likely the autoshutdown is a firmware feature. It is doubtful that it can be defeated with a simple circuit change. I think you would be better off getting a different product. \$\endgroup\$ – mkeith Nov 24 '17 at 16:46
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    \$\begingroup\$ Not even a photo of the meter or link to the datasheet - never mind a schematic. -1. \$\endgroup\$ – Transistor Nov 24 '17 at 16:52
  • \$\begingroup\$ If there is a button that only turns on, you could by figuring out the button wiring design something to periodically stimulate it. But if it's the more common on/off toggle, you'd first have to figure out (via power consumption or LCD driver signals or similar) if it is already on. Perhaps you should chose instead something intended for this application? \$\endgroup\$ – Chris Stratton Nov 24 '17 at 17:25
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    \$\begingroup\$ Welcome to EE.SE! This appears to be a circuit modification question. Please be aware that questions on the reverse engineering, modification and/or repair of consumer electronics, appliances, or other devices must involve specific troubleshooting steps and demonstrate a good understanding of the underlying design of the device being repaired, so that you can ask specific, focused questions that can be answered concisely. More information can be found here. \$\endgroup\$ – Dave Tweed Nov 24 '17 at 18:54
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Using external battery power and a 1 minute timer to pulse off the switch, the display can be kept On by restarting.

Or you can use a cheap analog solution.

enter image description here

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  • \$\begingroup\$ And it is the same manufacturer which increases compatibility! \$\endgroup\$ – manassehkatz Nov 24 '17 at 18:36

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