Walkthrough of the 2024 Electronex trade show in Sydney. Forum: https://www.eevblog.com/forum/blog/eevblog-1623-electronex-2024-walkthrough/ Podcast: Download
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Walkthrough of the 2024 Electronex trade show in Sydney. Forum: https://www.eevblog.com/forum/blog/eevblog-1623-electronex-2024-walkthrough/ Podcast: Download
Read More »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 …
Read More »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 – …
Read More »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 – …
Read More »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 …
Read More »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
Read More »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 – …
Read More »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
Read More »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
Read More »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
Read More »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 …
Read More »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
Read More »Siglent SDS1000X HD 12 bit Oscilloscope Teardown and brief play, noise measurement, and comparison to the SDS2000X HD Hires photos: SDS2000X HD Teardown: https://www.youtube.com/watch?v=lUAevbBh0rQ Forum: https://www.eevblog.com/forum/blog/eevblog-1612-siglent-sds1000x-hd-12-bit-oscilloscope-teardown/ 00:00 – Siglent SDS1000X HD 12 bit Oscilloscope 00:39 – Unboxing problem… 01:21 – For the film afficionardoes 01:31 – Brief look over 04:33 …
Read More »The TOP 5 Jellybean 7440 and 4000 series logic chips. Forum: https://www.eevblog.com/forum/blog/eevblog-1611-top-5-jellybean-7400-4000-logic/ Schmitt Trigger video: https://www.youtube.com/watch?v=Ht48vv0rQYk 00:00 – Top 5 TTL and CMOS Jellybean chips 00:37 – Different 7400 series family types 01:52 – What makes a Jellybean component 3:27 – CD4051 / CD4052 / CD4053 Analog Multiplexer Switch 17:42 …
Read More »A look at the Deye 5kW Hybrid Solar Inverter and attempted teardown. SUN-5K-SG04LP1-AU Forum: https://www.eevblog.com/forum/blog/eevblog-1610-deye-hybrid-solar-inverter/ Joule Power: https://joulepower.com.au/ Teardown video: https://www.youtube.com/watch?v=UO1lDaIDBo0 Manual: https://www.sunovagroup.com.au/wp-content/uploads/2023/12/SUN-3-6K-SG04LP1-AU-1.pdf Podcast (podcast2): Download
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