Case in point: an easy way to make your backyard, garage, or other outdoor spaces safer and more secure is with this ...
This one uses LEDs as the light sensor and mosfets to drive the output to rotate on a single axis. He even reduced the duty cycle on the fets so no heatsink is needed. Mounting in a peanut butter ...
Motion-censored, these lights can automatically turn on when they detect movement up to 10 feet away — even in the dark. The ...
a lighting panel intended for photography. The worst performer was an ultra-cheap LED bulb. Not bad for a simple DIY sensor and an existing mobile phone app intended for audio.