The FreeCad files can be downloaded here (top half) and here (bottom half). The STL files for the slicer can be downloaded here (top half) and here (bottom half). Two 9 mm long sections of used empty ...

Early versions, prior ver. 1.7, of the cheap and popular CH341A Mini Programmer have a nasty bug where voltage levels on data lines remain at 5V despite the programmer being set to 3.3V with the ...

A handy tool to have on the bench is a Flash chip programmer, and the ones based around the CH341A USB bus converter chip are readily available. But the chip is capable of so much more than simply ...