DIY Tech Tips

I have replaced this router with a newer model that supports AC. This particular one (model E4200) came out when wireless N wasn't even ...

Just a quick tip here, that the ebay listings failed to mention. I bought this laser ($7.77 from the USA) because it ran off of a 18650 li...

Had this flashlight laying around, that uses four AAA batteries. While looking at random 18650 items on ebay, I seen this plastic tube tha...

Found one of those old school 12v circuit testers that had a blown bulb. Noticed that the bulb was the same size as some fuses I had nearb...

An extremely simple DIY mod to make use of CR123A lithium cells (or the rechargeable version R CR123A). In this example, it's as simpl...