EEVblog No Script, No Fear, All Opinion

My solar power installer HAD ONE JOB but FAILED. A short story. LOL along as they attempt to reinstall and commision my Enphase microinverter solar power system. Aircon Install FAIL video: https://www.youtube.com/watch?v=XD5Emhqd5Ks Forum: https://www.eevblog.com/forum/blog/eevblog-1626-you-had-one-job!-(solar-power-install-fail)/ Podcast: Download

Uni-T are making a surprising move into the mid end instrument market with some custom ASIC based oscilloscopes, spectrum analysers, signal generators and a bunch of other instruments. A talk with Mark Isherwood from Rapid-Tech, the Australian dealer for Uni-T. https://rapid-tech.com.au/uni-t-instruments/ Forum: https://www.eevblog.com/forum/blog/eevblog-1625-electronex-scope-wars-the-rise-of-uni-t/ Podcast: Download

An interview at the Liquid Instruments stand at Electronex 2024 about the Moku range of multi-function mixed signal oscilloscope, designed and built in Australia! Thanks to Ben Price for answering the questions even though he’s the mechnical engineer! https://www.liquidinstruments.com/ Forum: https://www.eevblog.com/forum/blog/eevblog-1624-electronex-liquid-instruments-moku-oscilloscope/ Podcast: Download

Walkthrough of the 2024 Electronex trade show in Sydney. Forum: https://www.eevblog.com/forum/blog/eevblog-1623-electronex-2024-walkthrough/ Podcast: Download

This is the biggest mistake beginners often make when using a multimeter ohms function. A customer returned an EEVblog BM235 multimeter because it was “Faulty” Was it? Let’s find out what happens when you try and measuse a CAN bus with a multimeter. Forum: https://www.eevblog.com/forum/blog/eevblog-1622-dont-make-this-multimeter-mistake/ 00:00 – Don’t measure a …

More mailbag! A look at the RadiaCode Radiation Monitor, and the LattePanda Mu Intel N100 Compute Module. https://www.radiacode.com/ https://amzn.to/3yV5Gp4 https://www.lattepanda.com/lattepanda-mu https://www.dfrobot.com/kit-004.html Github: https://github.com/LattePandaTeam/LattePanda-Mu/tree/main/Electricals/Examples/%5BDFR1141%5DFull%20EVA%20Carrier%20for%20LattePanda%20Mu Part 2: https://www.youtube.com/watch?v=UE_srZZdPjM 00:00 – Mailbag 00:30 – Radiacode 103 Radiation Detector & Spectrometer 07:48 – Teardown 14:09 – LattePanda Mu Intel N100 Compute Module 25:22 – …

Extreme teardown of the Deye SUN-5K-SG04LP1 5kW hybrid solar inverter. Will it contain the quality components claimed? Also a topology reverse engineering of all the stages. Hi-Res photos: 00:00 – A generous and coincidental donation from a viewer 00:37 – We have the brochure, let’s check the claims! 02:44 – …

More Mailbag! 00:00 – THE Don McKenzie! and a bonanza of embedded history https://www.dontronics.com/jump-list.html https://www.dontronics.com/First-pc.html 08:44- PBUFF prototype 18:38 – Photon, the world’s longest battery life camera (Open Source) https://toaster.llc/photon/index.html 29:19 – Sanyo ICC-811 Mini Calculator from 1972 37:33 – Japanese Gadgets: USB to Bluetooth converter + USB Cable Tester …

How To Derive The Equation For Charge In A Capacitor, E = 1/2 C.V² NOTE: Re-edited from an old impromptu video to remove all unrelated stuff about the dumpster whiteboard I found. Forum: https://www.eevblog.com/forum/blog/eevblog1618-how-to-derive-the-equation-for-charge-in-a-capacitor/ Podcast (podcast2): Download

Building and testing an architectural wall wash LED Lighting solution. Part 2: https://www.youtube.com/watch?v=5mueaTsus8o Counting LED photons: https://www.youtube.com/watch?v=TJcMgoJ4DOE Forum: https://www.eevblog.com/forum/blog/eevblog-1617-architectural-led-lighting-build-test/ Datasheets: https://havit.com.au/products/hv9693-6080-deep-square-up-down-aluminium-profile https://cdn.shopify.com/s/files/1/1760/2029/files/HV9723-IP20-240-XK-2_Spec_Sheet_JUN23.pdf https://cdn.shopify.com/s/files/1/1760/2029/files/HV9783-IP20-168-XK_Spec_Sheet_JUN23.pdf https://havit.com.au/products/hv9783-ip20-168-4k-32-6w-ip20-led-strip-4000k 00:00 – Custom architectural LED wall wash lights 01:27 – Dual sided aluminimum profile 03:45 – 19W/m LED strip 06:08 – 32W/m LED strip 08:20 – …

How much does the Weller HEPA 13 Zero Smog EL Kit fume extractor suck? https://www.weller-tools.com/eu/gb/filtration/products/solder-fumes/zero-smog-el-kit-1 00:00 – Unboxing the Weller Zero Smog EL kit 04:52 – Teardown 10:53 – Soldering test 13:44 – Side view soldering test Part 2: https://www.youtube.com/watch?v=yi5pb_l8U94 Cheap HEPA fume extractor: https://www.youtube.com/watch?v=ffaiKZMU0Lw Forum: https://www.eevblog.com/forum/blog/eevblog-1616-weller-zero-smog-fume-extractor-review/ Podcast (podcast2): Download

It’s been slim pickings in the dumpster room in recent times, will this HP Pro One 400 all-in-one touch screen PC be a winner? Part 2: https://www.youtube.com/watch?v=NLwgFYt1pjA Lenovo IdeaCentre Dumpster find: https://www.youtube.com/watch?v=-FszeHoK2Ck Forum: https://www.eevblog.com/forum/blog/eevblog-1615-dumpster-dive-hp-pro-one-pc/ Podcast (podcast2): Download

You can easily replace any chip crystal circuit with a dedicated external crystal oscillator. Reducing your BOM count, and making your design easier, smaller, and potentially more robust. Cyber City Circuits: https://www.youtube.com/@cybercitycircuits https://twitter.com/MakeAugusta/status/1788651197055827992 Forum: https://www.eevblog.com/forum/blog/eevblog-1614-circuit-design-tip-crystal-oscillators/ Podcast (podcast2): Download

Apple just released the new iPad Pro M4. Normally I wouldn’t care, but it’s about Engineering vs Marketing, and we can run some numbers, so let’s dive in. What can engineers do with an extra mm in thickness? How about double the battery capcity? Better repairability would have been nice …

Simple repair on the neighbours $4500 Audiophile Chord Hugo DAC. Replacing the rechargeable lithium ion batteries wasn’t quite as simple as expected though… And is this thing worth $4500? Forum: https://www.eevblog.com/forum/blog/eevbog-1613-audiophile-repair-chord-hugo-dac/ Podcast (podcast2): Download