| You occasionally see advertising signs in shops with a blinking LED that seems to blink forever while operating from a single battery cell....
All items tagged with LED and Simple (13)
| You switch it on and... ping! Or perhaps a gentle ‘pffft’ or just silence, but nothing more after that. Who hasn’t had this experience at so...
| A miniaturized wireless battery-charging chipset from STMicroelectronics saves space, simplifies enclosure design and sealing, and accelerat...
| This handy transistor tester allows you to quickly test the function of an NPN/PNP transistor, JFET or (V)MOSFET and identify the correct le...
| These days there are many types of intelligent LEDs available. These LEDs flash or change their color, slowly or quickly and with different...
| Chip manufacturers are always coming up with ever more sophisticated constant current driver chips for LEDs. We have included this design fo...
| In the process of designing a LED driver circuit, various things can go amiss. To help the designer understand what is happening, a simple S...
| On my mountain bike I always used to have one of those well-known flashing LED lights from the highstreet shop. These often gave me trouble...
| Since the 1960s, light-emitting diodes (LEDs) have come into use for many applications. Many people may not know that these diodes, used i...
| Most ohmmeters and cable testers have either a moving-coil meter or a liquid crystal display (LCD). The circuit described here presents...