The build is simple, consisting of a series of cheap modules hooked up together. An 18650 battery provides power through a boost converter to an H-bridge motor controller, which allows the DC geared motor to be driven both forwards and backwards. There’s also a USB battery charge module, ...
trigger; an ejecting unit resisting against the buckle one end of which is formed with a bevel for pushing a valve rod of the driver body so as to trigger a screwdriver; and an elastomer one end of which is hooked to the ejecting unit; and another end of which is hooked to the ...
An improved screwdriver in which a replacement bit is removably secured to a mandrel by the bit being axially slidable in an axial socket in the end of the mandrel. The bit is movable from a position coaxially aligned with the socket to a position out of alignment therefrom, to assist in...
But at least on the NUB that I got, the magnet is so weak that after just one week of having it, I already lost both bits that came with it because it was hooked to a carabiner on my belt loop with the rest of my keys. So now I have to use my own bits AND keep it in my...