Dave takes you on a complete walk-through of a typical (7400) digital logic datasheet and explains all the specifications and information. Forum HERE Podcast: Download

Dave looks at several USB logic analysers from ZeroPlus Arduino Starter Kit Forum HERE Podcast: Download

Dave tears down the Keithley 617 Electrometer, capable of measuring sub-femtoamp (attoamps!) resolution. Forum HERE Hires Teardown photos: Video on the relay matrix Podcast: Download

Dave tests the Uni-T UT-513 5000V high voltage insulation resistance tester with the PIntek 15kV HVP-15HF HV oscilloscope probe to see if it’s suitable for crude multimeter overload testing, with some spectacular results on the ANENG AN8008 Coupon Code: bargainprobe for 15% off Dave’s HVP70 probe! You can even pay …

Trivia time. Dave explains one of the reasons why annoying centre negative DC power jacks exist. Forum HERE Podcast: Download