EEVblog No Script, No Fear, All Opinion

A response to Minute Physics’s latest video promoting the Rayton Solar equity crowd funding campaign. Dave looks at Rayton Solar and it’s investment risk and practical viability and asks the question, should Minute Physics have promoted this? And they roped in Bill Nye too! Let me know what you think, …

What can you fit in 1K words of microcontroller program memory? Dave takes a look at two old projects of his published in Electronics Australia magazine using a PIC 16F84 with 1K of program memory. Will the assembly language code still compile first go in MPLABX after 18 years? Assembler …

Dave tears down the new Rigol DL3021 Electronic load and has a play around with it. Forum HERE Podcast: Download

Another look at finding a $50 analog oscilloscope on ebay. Forum HERE Podcast: Download

Dave tears down and takes a look at the classic 1980 Tandy / Radio Shack TRS-80 Colour Computer. Includes hacking a composite video output circuit to get it working on a modern HDMI computer monitor. Service Manual With Schematics Forum HERE Manuals HERE Podcast: Download

Is a $7 LCR Meter / Component Tester from Ebay any good? Dave tests the M328 (LCR-T4) model component tester. HUGE Forum Thread Forum summary videos HERE This group seems to maintain a version of the firmware: Podcast: Download

Dave gets IoT angry in this Mailbag Forum HERE SPOILERS: Bolt IoT challenge Dave to get an Internet Of Things App working in 5 minutes. Will he do it or will he lose his collective… Arduino based DIN rail PLC controller, the Controllino Total Solar Eclipse Stamps Polish 1980’s teardowns …

David explains PID controllers. First part of a mini-series on control theory. Forum HERE Podcast: Download

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

Dave demonstrates why gold plated multimeter probes matter, and why you should be using them for all your electronics measurements. NOTE: Many people didn’t understand the point of this video. It’s about oxidisation of contacts, gold basically doesn’t do this, other probes can. Also gold probes are not necessarily recommended …

What’s inside the Masterlock 4400 Bluetooth Padlock? Dave tests and investigates a particular magnetic attack mode. Forum HERE Podcast: Download