David tells us how he designed his rPrint 3D printer. A university project he has been working on for the last 9 months. Everything is custom, including the world’s lightest weight direct drive extruder head, Sarrus linkage build plate, linear rail guides, and his awesome bubble enclosure. Not to mention …
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Inside the Rohde & Schwarz HMO1202 series HMO1232 300MHz mixed signal oscilloscope. Hands on video with the HMO1002 Forum HERE Factory 3D tour ADC08D1000 PMH6518 PGA ADCMP562 Comparator Papst Fan Atmel SAMA5 ARM Cortext A5 LVDS LCD driver Teardown Photos: Podcast: Download
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Dave and David2 battle to get an old Microchip PICkit 3 working with MPLAB X talking to Dave’s new product. A tale of misery, rabbit holes, Murphy, facepalms, and ultimately success. You get a warts and all journey. A good example of how a tool that should have just worked, …
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Dave tears down a monster of a mixing console! A Professional 40 channel Yamaha M3000 mixer designed for sound reinforcement and concerts. Forum HERE Podcast: Download
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New 2016 Mailbag Bonanza with Sagan helping out. Forum HERE SPOILERS: A Kollsman Instruments MD-1 Automatic Astro inertial navigation system analog computer for a B-52 Stratofortress bomber! Article on the system HERE From The Geek Group Realistic CB Radio teardown and testing with a spectrum analyser. Silicon Labs Sensor Puck …
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Dave & Sagan score some more server PC’s from the dumpster. Will they work? Will they be Dual Xeon & Core i7 Processors? Asus P6X58DE Forum HERE Podcast: Download
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Dave reverse engineers the XuanZu X2-U808 Hi-Fi Headphone Amplifier to see if the valves actually do anything. What is the circuit topology? E180F (6J9) pentode valve datasheet Doug Ford’s Microphone design series Playlist Reverse Engineering How-To video Forum HERE Podcast: Download
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Franky from the Ebay store 99centHobbies dropped by the lab and we had a quick chat about ebay, selling, shipping, and the Hong Kong electronics scene compared to Shenzhen China. Forum HERE
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A 1 hour tour of the Australian Synchrotron. From breadboards to 35MW Kystron RF power amplifiers! Forum HERE Podcast: Download
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Part 2 of an impromptu play with Dave’s Wekomm 10K Transfer Resistance Standard. Was the Keithley DMM7510 multimeter the culprit in the discrepancy in the thermal response? Dave finds out with the help of a thermal chamber. Part 1 is HERE Forum HERE Podcast: Download
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An impromptu play with Dave’s Wekomm 10K Transfer Resistance Standard. What is the strange discrepancy in drift on the graph on the Keithley DMM7510 multimeter? This is Part 1, don’t forget Part 2 is here: https://www.youtube.com/watch?v=gEDs0OtOkGE Forum HERE Podcast: Download
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Christmas Mailbag! Warning: Someone thinks atheist Dave won’t get saved by Jesus, so tries to convert him to Christianity! Forum HERE SPOILERS: Sam Harris destroys christianity VIDEO Bonus Christopher Hitchens vs. God VIDEO Tandy PC-6 Pocket Computer Service Manual HERE Silego GreenPAK4 Mixed Signal Development Kit Isolated USB to RS422/RS485 …
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Inside Keysight’s new U1282A IP67 waterproof and 3m drop proof precision dual display 60,000 count 0.025% multimeter with 800 hours battery life 3 for 2 deal U1272A Teardown Forum HERE Podcast: Download
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In this Fundamental Friday Dave will blow your mind as he shows you how you can power a microcontroller *without* a power or ground pin! A potentially big trap for young and old players alike. Can you guess how it’s done before the secret is revealed? Forum HERE SPOILER: A …
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Take a look inside a vintage 1984 B/W National CRT portable TV Sinclair TV1 Teardown HERE Forum HERE Podcast: Download
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