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 ...

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 ...

Instead of simply replacing the outdated bulb, we decided to build a small dark detecting circuit with 2 yellow LEDs based on this Evil Mad Scientist Laboratories design. After successfully ...

This year we present a straight-forward fixed pattern flasher for three sets ... preferably via a RCD or earth leakage circuit breaker. The front panel LED's should flash in the sequence described ...

They look for all the world like any other LED, though embedded in the plastic dome is an integrated circuit to do all that flashing work. There was a time though when a flashing LED was something ...

I made this dimmer circuit ... The led lamp shown in the video is powered from a 3.7V Li-ion battery that lasts longer compared with the original one that was a 4V/600mA type. Video presentation of ...