Today I will show you how to make automatic street light On-off directly with 220v ac no relay or battery simple and easy electronics project use LDR and Triac BT136.
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Components list
1. Triac BT 136
2. Resistor 220k
3. LDR sensor
this circuit works only lamp bulb . If you want to use an LED or CFL bulb then make this circuit .
[ Ссылка ]
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![](https://i.ytimg.com/vi/tXre1MvDlfw/maxresdefault.jpg)