Cree – Experimental Engineering

“SolarStorm” eBay 4x 18650 Battery Pack

March 23, 2016 The Engineer

Since the 4×18650 battery pack supplied with my Cree head torch is pretty shit, even by China’s standards, I figured something I could put my own cells into would be a better option. An eBay search turned up these battery boxes, not only with a direct battery output for my

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Computer Gear, Hacks, Personal Project, Randoms

Maplin/Refrakta Torch Modification & Mode Removal

October 20, 2015 The Engineer

The multimode dimming/flashing modes on Chinese torches have irritated me for a while. If I buy a torch, it’s to illuminate something I’m doing, not to test if people around me have photosensitive epilepsy. Looking at the PCB in the LED module of the torch, a couple of components are

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