All items tagged with LED and Simple (13)

| You occasionally see advertising signs in shops with a blinking LED that seems to blink forever while operating from a single battery cell....

| Need to check fuses? A failed fuse indicator is a great solution, but it needs to be simple, affordable, reliable, and small. The straightfo...

| A miniaturized wireless battery-charging chipset from STMicroelectronics saves space, simplifies enclosure design and sealing, and accelerat...

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| 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...