How to make covid-19 sefty water tap

 This device is very helpful and safe your life.

Device can protect harmful virus and Victoria 

For example Corona virus 

The device can make easily make at home and very low cost all component 

You have need same importants components 

1. Bc 547

2. Bc 557

3. ir led (ir sender)

4. ir transistor (receiver)

5. 2 x 100 ohm resistor 

6. Dc 12 v mini water pump 

This is the circuit diagram 

Device you can see 

This is Full video how to make Automatic water tap

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