4/2/1 Channel Voltage LM393 Comparator Precise Module For Precision Resistor Divider Diy Electronic Relay LM393N Remote Control
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1 Channelspecification:Function 1: Input and set reference voltage, when the input voltage is greater than the reference voltage, the relay is closed; when the input voltage is lower than the reference voltage, the relay does not act.Function 2: Input two voltage signals A and B for comparison. When the signal is greater than the signal B, the relay is closed; when the signal A is less than the signal B, the relay does not act.Module applications: automotive circuits, home equipment supplies, remote controls, industrial testing, etc.1 Channel DC05VWorking voltage: DC05VWorking current: 60mAStandby current: 15mAStandby power consumption: