Category Archives: Hardware

Mastech MS2115A Clamp Multimeter Review

UPDATE 2018-11 My unit has developed a huge 6A DC current offset a while ago. This is my last sort-of-working Mastech instrument, certainly will not buy anything this brand again.. The warning of wrong banana input started misbehaving in my MS2115A meter. I opened the meter and before I even started to fix, it was… Read More »

Velleman PS3005D M5 Memory

The M5 memory slot of the Velleman PS3005D / Korad KA3005P is described in the manual. There is not much to it: To recall M5 settings, press M4 and turn the dial clockwise; To save M5, do nothing.  It is auto-saved

Logitech MX Revolution Silent Mod

There is a nice tutorial about silencing mouse buttons at instructables. I have done the same on my MX Revolution, the difference is obvious. The screwdriver shows the tabs to press and bend. Put on some sticky tape on top of the button to hold the little pin in place.