EEVblog No Script, No Fear, All Opinion

Dave repairs a classic Tektronix 400MHz 2465B oscilloscope that’s been sitting on the mailbag shelf for years. Arguably the greatest analog oscilloscope ever made. BONUS magic smoke escape! Although it was repaired to a functional level, this is kinda Part 1, as not all functions were exercised and tested, and …

The previous LCD repair didn’t last very long. Redux time. Installing a new 240×64 LCD module in the PM300 Power Analyser wasn’t exactly a walk in the park. Podcast: Download

Surely the world’s only Nobel Laureate electronics hobbyist! Dr Barry Marshall, winner of the 2005 Nobel Prize for Medicine visits the EEVblog lab to sniff some vintage gear and discuss his Nobel prize winning discovery and treatment for stomach ulcers. Dr Marshall discovered that Helicobacter Pylori bacteria was responsible for …

Are you getting ripped off with Energizer and Duracell D cell NiMH rechargeable batteries? Why is a D cell NiMh the same capacity or lower than the smaller C or even AA cell? Teardown time! Forum HERE Podcast: Download

Teardown Tuesday Dave’s Samson C01U USB Microphone got caught up in the flood, let’s take a look inside. Forum HERE Podcast: Download

April 4th 2009 Dave started the EEVBlog Forum HERE Podcast: Download

Experimenting with etching your own PCB’s by concentrating existing ferric chloride levels in tap water. How well does it work? Forum HERE Podcast: Download

Designing your own custom heat sink is cheaper and easier than you might think. At look at why you might want to design your own heat sink, the costs, the advantages and disadvantages, design considerations for surface mount PCB’s, air convection, and mechanical DRC, and die-cast vs machining. SMD thermal …

Mrs EEVblog broke the headphone socket on Dave’s Sony TV. Soldering iron time. Podcast: Download

Dave uncovered the first edition of Australian Electronics Monthly magazine from July 1985, by Roger Harrison, and featuring a classic David Tilbrook MOSFET amplifier design, vintage computer, vintage analog scopes and more. Forum HERE Podcast: Download

More on the Gigatron 4 layer PCB for EMC compliance testing. Swapping the inner and outer plane layers, experimenting with KiCAD and investigating several issues with the tool. Talk on gerber generation, PCB checklists, PCB design for manufacture, PCB stackup, and uploading to JLCPCB for 4 layer manufacture. Forum HERE …

Repairing the faulty LCD in the Voltech PM300 power meter. Forum HERE Podcast: Download

Digital energy saver boxes that claim to reduce your power bill by up to 50%, are… SPOILER ALERT: Complete bullshit. Forum HERE Podcast: Download

A look at three major products in this lengthy Mailbag. SPOILERS: LabJack T7-Pro Multifunction DAQ with WiFi, Ethernet, and USB 15:56 Balena Fin Raspberry Pi Compute module industrial computer 29:29 Dodgy truck LED tailight assembly 38:00 Joulescope: Precision DC Energy Analyzer Kickstarter With lengthy discussion on current measurement autoranging. Forum …

Dave bought a 6.5 digit Phillips PM2534 on Ebay for $140 delivered. Did it even survive the shipping? $200 Ebay 6.5 digit DMM video: https://www.youtube.com/watch?v=I2HcJ80OyrA Forum HERE Podcast: Download