The Garmin Varia RearView 820 adds to Garmin's long-standing rear bike radar light range with higher brightness and a greater radar field of view.

The latest Varia RearVue 820 is more powerful, with a bigger battery life than existing Garmin rear radar units.

Garmin Varia RTL515 in a pithy sentence: this rear bike light is expensive, but not as much so as hospital care and coffins. Owning the best rear bike light you can find is a sensible choice for any ...

See what's ahead and be seen by others with the best bike lights. Generally speaking, bike lights are affordable, easy to install and available in a wide range of shapes and styles. Some wrap around a ...

In this project, I'll make a small circuit capable of blinking lights, on its output we get a digital signal that we can use to turn on and off an external light like an LED. This circuit uses the ...