When watching movies in a dark room, the flickering image can cause some eye strain so a bias light can really help. There are commercial solutions available but instead since this is a simple build I've made my own that turns on automatically when it gets dark.

The circuit uses a photoresistor or LDR that senses the light levels in the room and turns on an LED strip in the back of the TV to counteract the light from it.

The project is very simple and can easily be done by anyone so it is a perfect beginner project.

Tools and materials needed to make this project:
Soldering iron - [ Ссылка ]
Photoresistors (LDR) - [ Ссылка ]
2N2222 NPN Transistors - [ Ссылка ]
Asorted resistors - [ Ссылка ]
LED Strip - [ Ссылка ]
Protoboard - [ Ссылка ]
DC Jack - [ Ссылка ]
12V Power adapter - [ Ссылка ]


Check out the full schematic for the project at EasyEDA:
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Get more details and pictures at the written article at Instructables:
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GT10 Pro 5G Android Phone - [ Ссылка ]
Dragon Touch 4K Action Camera - [ Ссылка ]
USB Condenser Microphone - [ Ссылка ]
Tripod - [ Ссылка ]
Phone tripod mount - [ Ссылка ]



DIY automatic TV bias light with a photoresistor
#biasLight #LDR #photoresistor #backlight #ambilight #tastethecode

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