Display ICL7107 – Temperature controller

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This is the Display Circuit and PCB part of of section Temperature Control.

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The above circuit is powered by +5 and -5 from a LM7805 and LM7905 pair. If +/- 12V or +/- 7.5V is used in opamp or digital parts, then use below circuit for the DPM section.

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The PCB for above

The PDF Circuit for above Display Card STC1000

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