![microcontroller - How to design an AC current detection switch? - Electrical Engineering Stack Exchange microcontroller - How to design an AC current detection switch? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/kyYbZ.jpg)
microcontroller - How to design an AC current detection switch? - Electrical Engineering Stack Exchange
![Current Sensing Relay AC Current Sensing Switch 0-30A Normally Closed Amp Sensor Monitoring Relay (M3056) : Amazon.sg: Industrial & Scientific Current Sensing Relay AC Current Sensing Switch 0-30A Normally Closed Amp Sensor Monitoring Relay (M3056) : Amazon.sg: Industrial & Scientific](https://m.media-amazon.com/images/I/61QOZ43nRyL.jpg)
Current Sensing Relay AC Current Sensing Switch 0-30A Normally Closed Amp Sensor Monitoring Relay (M3056) : Amazon.sg: Industrial & Scientific
![Current Sensing Switch, Normally Open Current Sensing Relay Adjustable AC 0.2A -30A (SZC23 No AL-CH Model): Amazon.com: Industrial & Scientific Current Sensing Switch, Normally Open Current Sensing Relay Adjustable AC 0.2A -30A (SZC23 No AL-CH Model): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/S/aplus-media/sc/2a7da899-6a3d-482c-85c0-a84cd9d5a6a3.__CR0,0,300,300_PT0_SX300_V1___.jpg)
Current Sensing Switch, Normally Open Current Sensing Relay Adjustable AC 0.2A -30A (SZC23 No AL-CH Model): Amazon.com: Industrial & Scientific
![microcontroller - How to design an AC current detection switch? - Electrical Engineering Stack Exchange microcontroller - How to design an AC current detection switch? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/z7Fnb.png)