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For the circuit below, what is the purpose of the 2 bias resistors. They are said to detect breaking, what does it mean. enter image description here

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If the sensor wires open up, then those two resistors will pull the voltages way apart, and that huge voltage signifies a broken wire.

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  • \$\begingroup\$ +1, excellent answer \$\endgroup\$ – Neil_UK Nov 26 '18 at 5:50

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