This is a simple flashing led circuit with 2 leds and 2 NPN transistors ... Related Products: LEDs and LED Lighting The speed of the led flasher may be adjusted with potentiometer P1. Being an astable ...

With cycling safety in mind, I bought a pair of low power red LED things that replace the bungs in the end ... and difficult to locate. Note; there is a flasher version 2 Also, they add the weight of ...

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, dark room timer, memo-reminder or other similar ...

Having messed for ages with my little flasher circuit on the bench, running it through LTspice ... not leaving much headroom when the Vf of the LED is 2.2V. What I learned was, this thing needs an ...