How to Make a Automatic Light
by Electro Retro in Circuits > Electronics
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How to Make a Automatic Light
![20180804_183305.jpg](/proxy/?url=https://content.instructables.com/F1Q/ZDIU/JKCUKU52/F1QZDIUJKCUKU52.jpg&filename=20180804_183305.jpg)
This is a simple automatic light circuit
Components Needed
![Screenshot_2018-08-05-09-14-09.png](/proxy/?url=https://content.instructables.com/FZW/JVTE/JKCUKU51/FZWJVTEJKCUKU51.png&filename=Screenshot_2018-08-05-09-14-09.png)
![Screenshot_2018-08-05-09-14-23.png](/proxy/?url=https://content.instructables.com/FPT/BCQF/JKCUKU4O/FPTBCQFJKCUKU4O.png&filename=Screenshot_2018-08-05-09-14-23.png)
![Screenshot_2018-08-05-09-14-35.png](/proxy/?url=https://content.instructables.com/FHL/R1A2/JKCUKU4H/FHLR1A2JKCUKU4H.png&filename=Screenshot_2018-08-05-09-14-35.png)
![Screenshot_2018-08-05-09-14-46.png](/proxy/?url=https://content.instructables.com/FXH/R724/JKCUKU4A/FXHR724JKCUKU4A.png&filename=Screenshot_2018-08-05-09-14-46.png)
![Screenshot_2018-08-05-09-15-01.png](/proxy/?url=https://content.instructables.com/FIQ/IWGI/JKCUKU44/FIQIWGIJKCUKU44.png&filename=Screenshot_2018-08-05-09-15-01.png)
![Screenshot_2018-08-05-09-15-37.png](/proxy/?url=https://content.instructables.com/FKM/SZTX/JKCUKU41/FKMSZTXJKCUKU41.png&filename=Screenshot_2018-08-05-09-15-37.png)
![Screenshot_2018-08-05-09-15-46.png](/proxy/?url=https://content.instructables.com/FW1/ZMBL/JKCUKU33/FW1ZMBLJKCUKU33.png&filename=Screenshot_2018-08-05-09-15-46.png)
![Screenshot_2018-08-05-09-15-54.png](/proxy/?url=https://content.instructables.com/FXO/VIA8/JKCUKU30/FXOVIA8JKCUKU30.png&filename=Screenshot_2018-08-05-09-15-54.png)
1)ldr
2)12v relay
3)1k resistor
4)100mfd 25v capacitor
5)10mfd 63v capacitor
6)2× in4007 diode
7) BC 547 npn transistor
8) pcb
9) bulb holder
Circuit Diagram
![Screenshot_2018-08-05-09-16-03.png](/proxy/?url=https://content.instructables.com/F05/CXQN/JKCUKU2Q/F05CXQNJKCUKU2Q.png&filename=Screenshot_2018-08-05-09-16-03.png)
Sorry for the bad image
After Completing the Circuit
![Screenshot_2018-08-05-09-16-40.png](/proxy/?url=https://content.instructables.com/FFG/AJC5/JKCUKU2G/FFGAJC5JKCUKU2G.png&filename=Screenshot_2018-08-05-09-16-40.png)
![Screenshot_2018-08-05-09-16-56.png](/proxy/?url=https://content.instructables.com/FK1/L6R6/JKCUKU2E/FK1L6R6JKCUKU2E.png&filename=Screenshot_2018-08-05-09-16-56.png)
![Screenshot_2018-08-05-09-17-12.png](/proxy/?url=https://content.instructables.com/F65/JTKB/JKCUKU2D/F65JTKBJKCUKU2D.png&filename=Screenshot_2018-08-05-09-17-12.png)
Connect bulb holder to no of relay
![Screenshot_2018-08-05-09-18-00.png](/proxy/?url=https://content.instructables.com/F49/3DK9/JKCUKU2C/F493DK9JKCUKU2C.png&filename=Screenshot_2018-08-05-09-18-00.png)
![Screenshot_2018-08-05-09-18-15.png](/proxy/?url=https://content.instructables.com/F53/8C1E/JKCUKU2B/F538C1EJKCUKU2B.png&filename=Screenshot_2018-08-05-09-18-15.png)
More Details in Video
![How to make a automatic light](/proxy/?url=https://content.instructables.com/FPA/TAAQ/JKCUKV0G/FPATAAQJKCUKV0G.jpg&filename=How to make a automatic light)