1. Steps of wire break alarm circuit.
![](https://cdn.hackaday.io/images/617721569310460243.jpg)
![](https://cdn.hackaday.io/images/9398451569310489207.jpg)
![](https://cdn.hackaday.io/images/478561569310496809.jpg)
![](https://cdn.hackaday.io/images/4479111569310501742.jpg)
2. Steps of wireless AC line detector circuit.
![](https://cdn.hackaday.io/images/8896101569310513737.jpg)
![](https://cdn.hackaday.io/images/7511731569310520115.jpg)
![](https://cdn.hackaday.io/images/2877341569310526749.jpg)
![](https://cdn.hackaday.io/images/301891569310532263.jpg)
![](https://cdn.hackaday.io/images/3192131569310537339.jpg)
![](https://cdn.hackaday.io/images/6086371569310544928.jpg)
![](https://cdn.hackaday.io/images/445401569310549914.jpg)
3. Steps of light on timer circuit.
![](https://cdn.hackaday.io/images/2212501569310579051.jpg)
![](https://cdn.hackaday.io/images/9742161569310592151.jpg)
![](https://cdn.hackaday.io/images/6751561569310597445.jpg)
![](https://cdn.hackaday.io/images/9689831569310624061.jpg)
![](https://cdn.hackaday.io/images/8725411569310630707.jpg)
Product list:
Product list:
LED https://www.utsource.net/category/led-lighting-1.html
BC547 https://www.utsource.net/sch/BC547
BC548 https://www.utsource.net/sch/BC548
Capacitor https://www.utsource.net/category/passive-components/capacitors-1.html
Buzzer https://www.utsource.net/itm/p/8027239.html
Resistor https://www.utsource.net/category/passive-components/resistors-1.html
More details, pls check the video on Youtube: