With cycling safety in mind, I bought a pair of low power red LED ... very well executed – one side is rather dim, and they are hard to turn on and off because the push buttons are tiny, not ...

Today you can buy flashing LEDs; a simple two-lead component ... for all the world like any other LED, though embedded in the plastic dome is an integrated circuit to do all that flashing work.

Having messed for ages with my little flasher circuit on the ... Providing the LED current is greater than the supply current, it should flash along happily and regulate the capacitor voltage. It ...