3Pcs 1Channel AC 220V Optocoupler Module 220V Voltage Detect 220V Optocoupler Isolation Microcontroller TTL Level 3V-5V industrial_Aug2024_update making it versatile and user

making it versatile and user friendly for a variety of applications

also available in toilet paper by 1

03 mm(Live)

Organize your cleaning and maintenance tools in one place (tools sold separately)

as well as a long and strong cable for added security

3Pcs 1Channel AC 220V Optocoupler Module 220V Voltage Detect 220V Optocoupler Isolation Microcontroller TTL Level 3V-5V industrial_Aug2024_update making it versatile and user3Pcs 1Channel AC 220V Optocoupler Module 220V Voltage Detect 220V Optocoupler Isolation Microcontroller TTL Level 3V 5V Product Features 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