Hope’s bigger R8+ LED lamp scored well in last year’s test, and although this smaller R4+ LED puts out half the lumen count, it should have the same quality as the bigger unit. So I hit the trails to ...

Using a few diodes and a LED, you can make a nice indicator as shown in associated schematic diagram that can be used for a lot of applications (with a bit of luck). It’s quite suitable for use in ...

The R8+ is a fantastic light that puts out an impressive spread and intensity of light, but it does suffer from a lack of long-term robustness and the low power mode can be a bit of a surprise As a ...