This simple LED torch is driven by a 2-transistor blocking oscillator which steps up the voltage from a 1.5V cell. It relies on the inherent current limiting of the 150µH choke to protect the white ...

Headlamp or torch? Why choose? Both can come in handy. THERE ARE TWO camps when it comes to lights for the outdoors – headlamps and torches. But why settle for just one? While a headlamp is great for ...

A red LED torch is essential for preserving your dark adapted vision at night allowing you to read star charts as well as setup and take down your accessories safely. The red wavelength is specific to ...

Lighting has come a long way from simple oil lamps to advanced LED torches. Today, torches are designed to meet different needs: from outdoor adventures and home use to industrial and emergency ...

There’s no doubting the brightness of the Cree LED in this Halfords aluminium torch, but the beam is less impressive. The centre is very bright, although away from the beam’s focus it’s quite dark.

Torch technology has come on in leaps and bounds in the past few years. Emily Padfield and David Cousins gathered 15 torches on a snowy February evening in Warwickshire to see which were best for farm ...