Repair: Hewlet Packard 34401A Bench Multimeter

After watching The Signal Path for some I decided to treat myself to a classic 34401A 6½ digit multimeter.

Design: VoltMeister 100, a DIY Bench Power Supply

A bench power supply is one of the essential tools of any electronics hobbyist.Although you can buy a such a unit for less that € 50, it's way more fun to build one yourself.