The article explains a current controlled LED driver circuit for CREE XM-L T6 LED. For a battery powered circuit the LED driver may very well be implemented through a current […]
1.5V LED Flasher Circuit
This LED flasher circuit requires only 1.5V to flash an LED lamp and therefore can be operated using a single 1.5V AAA cell. The upper circuit, shows utilizing a 100uF […]
40 LED Bicycle Light Circuit
A simple bicycle flashing light circuit using LED arrays is explained below, which will produce decorative, alternate flashing effect on the connected LEDs. The 555 circuit design below is a […]
Simple LED Voltmeter Circuit
This simple LED voltmeter circuit, although simple, is capable of accurate voltage measurement. The input is applied to the high impedance input of IC1 via the attenuator comprising of R1 […]
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 […]