JESSINIE 3Pcs 1Channel AC Optocoupler Module 220V Voltage Detect Optocoupler Isolation Microcontroller TTL Level 3V-5V
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0.20 kg
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- Product parameters Power supply level: 3-5V (TTL) PLC electrical level: available 24V level Terminal: Blue 2P 5.0 terminal 3P terminal interface: MCU input Board size: 72mm x 5mm Note: When using the module, it should be placed in a dry and ventilated environment with insulation protection, and should pay attention to electrical safety
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1 Channel 220V AC optocoupler module can be used to detect the presence or absence of 220V AC power The output TTL level can be detected by a microcontroller, stabilizing the output of high and low levels (NPN output) When detecting 220V input, the LED light is on, and the optocoupler is conducting and outputting a low level When there is no 220V input, the LED light does not light up, the optocoupler is not connected, and the output is pulled high by a resistor The output power supply can be DC: 3V~24V, or it can be connected to a PLC 24V level