This straightforward but incredibly intelligent smart LED street light circuit turns a street lighting on automatically when it senses movement beneath it, turning it from low to high brightness. Only […]
AC DC Lamps
100 LED Lamp with a 3.7 Volt Battery
An inventive method of powering over a hundred white LEDs using a 3.7 volt battery is described in the article. The step-up transformer is driven by the IC 555 in […]