TheCircuit of One-hour Timing Circuit Using LM122


Posted on Feb 5, 2014

In this figure S1 can start timing and when the timer starts, turning this switch has no effect.S2 is the OFF switch in the middle and turning this switch can make the timer complete the procedure: charging-open circuit-discharging. Because of charging stopped halfway, the charging position would return to the work state of the timer s output circuit. A..


TheCircuit of One-hour Timing Circuit Using LM122
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