The circuit consumes 30 miliamperes when the LED lights and the average consumption is 300 microamperes. To switch off the circuit automatically it has a built in LDR.

[Alex] needed a project for his microcomputer circuits class. He wanted something that would challenge him on both the electronics side of things, as well as the programming side. He ended up desig… ...

Orion launches the industry's first complete suite of LED Door Retrofit (LDR) products. The LDR is completely assembled within the door frame, reusing ...