There was a time though when a flashing LED was something of a big deal, so much so that National Semiconductor produced a dedicated chip for the task. The LM3909 boasted the ability to flash an ...

This is a small size led flasher built with the 555 timer IC that is powered from 2 x 1.5V batteries. The circuit can be used as a flashing metronome, ... The circuit can be used as a flashing ...

Blinking an LED with three resistors and a capacitor. ... you can get a chip whose sole purpose is to blink ... No 555, no CPUs, just a 9V battery. And I learned how to solder putting it together ...

AC mains operated single LED flasher circuit, built using the popular CMOS timer chip TLC555 is shown below. The whole circuit is powered directly by the grid supply of 230VAC through a capacitive ...

Applications include advertising point-of-sale signage with flashing LEDs, and any type of consumer or industrial equipment with on/off LED indicators. The CAT9552 is designed with an internal ...

Semtech has introduced an analogue timer chip that runs from 0.9V, but can drive LEDs at over 3V. Called SX8122, to the timer it adds: a simple battery charger, a boost converter, and a power-down ...