I have updated the RSS Podcast version of the show. Podcast videos were previously encoded in 640×360 and hosted on my old slow personal shared server website. Videos will now be encoded in 1280×720 and hosted on the podcast content delivery network LibSyn (We use this for the Amp Hour). …
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What’s inside the Trezor hardware bitcoin wallet? A teardown to look at any physical hardware security, and a look at a possible side channel power line attack. For a new stable attempt at cryptocurrency, check out Corion UPDATE: A technical detailed reply from the Trezor developer! CLARIFICATION: SatoshiLabs does not …
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What’s inside the Keithley 2302 Battery Simulator A way to simulate battery ionic resistance (ESR) and measure product pulse power consumption. Forum HERE Hires photos: Podcast: Download
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Does the Owon XDS3202A Oscilloscope use a true 14bit converter? Forum HERE Hi-Res photos: Unboxing VIDEO Podcast: Download
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Mailbag is back! Forum HERE SPOILERS: 1980 Retro Language Translator Teardown Arduino interfacing book ReflowR Hot plate PCB reflow machine 50ohm Dummy Load for babies from First Advanced Industrial Labs Black Box for stealing Pay TV, teardown. Retro radio alarm clock teardown Bee Maths Ruler Bayard-Alpert Ionization gauge. Voltage tester …
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Will Trump’s Mexican border solar powered wall pay for itself? Dave runs the numbers to find out what the solar payback is. NOTE: These are BEST CASE (non-practical) figures that don’t include any system losses from a single long line array like this, or anything to do with the changing …
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Dave debunks the uBeam ultrasonic wireless phone charging technology and explains why this will NEVER be a practical solution. Also, Meredith Perry’s rant on engineers and other experts. NOTE: This was split out from video #1000 for SEO reasons. There should be a debunking video of this searchable on Youtube. …
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As the title says, kinda… Dave answers the age old question, do single take videos really work? No. No, they don’t. SPOILERS: Tutorial on turning two NPN transistors into a fast bidirectional zener impulse clamp. A comparison of the low level signal noise on 11 different oscilloscopes. Teardown of the …
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Dave transformed his boring Youtube Silver Play Button Award into a cool retro nixie tube live subscription counter! The final video in a 7 part series on this construction project Playlist And some amazing Youtube statistics. Forum HERE
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In the last 4 years my channel ranking has dropped in half, and I LOVE IT!
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Bill Nye is plugging Rayton Solar, a startup that claims to be able to reduce the manufacturing cost of solar power modules by 60%. Is it real? They have already raised $3.5M in equity crowd funding.
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How to connect and use the low cost ESP8266 WiFi module with the Arduino environment. How to connect with a Youtube API to retrieve channel statistics, using JSON on the Wemos D1 Mini. Nixie Tube Project Part 7 Forum HERE
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Soldering the Nixie Tube display PCB. How to do drag and dab soldering to make surface mount parts soldering easy. Also a look at the Elecrow blank prototype PCB quality. Jump to 3:36 for the soldering tutorial Part 6 of the Nixie Tube project Forum HERE
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What does the CE mark on a product actually mean? How do you get one? What is it NOT? What is a Declaration Of Conformity? There might more to this mark than you realised! The FCC mark is also discussed. Forum HERE Podcast: Download
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Dave shows how to do power supply MOSFET rail switching and demonstrates and discusses why supply sequencing might be needed. Forum HERE Podcast: Download
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