Mailbag time! SPOILERS: Aliens vs Pirates! Northside service company: https://www.youtube.com/channel/UCcMN_sDzaDThDYRBb2Qcahw/featured Nutone intercom system teardown 10:08 Royal Digital Diary Teardown 12:52 Motic / Swift soldering stereo microscope, also rebadged by AmScope https://amzn.to/2Lt0sYG 25:03 Texas Hold’em handheld game Teardown TI 30-XS Calculator teardown 31:43 Elecrow Crowtail STEAM Edu Kit for Micro:bit 36:28 …
Read More »EEVblog #1208 – Circuit Analysis & Debugging
Fundamentals Friday Dave answers a beginner forum question of why their 74HC390 based breadboard counter circuit does not work properly. Let’s get up to our armpits in datasheets and troubleshooting. A two sentence forum response turned into a step-by-step 27min video investigation involving rise and fall times, setup and hold …
Read More »EEVblog #1207 – ARM Dev Boards Falling From The Sky!
Hackable STM32 based ARM RF dev boards are literally falling from the sky! A teardown of two weather balloon Vaisala radiosondes, the RS41 and RS92. Repurposing tre RS41: http://www.om3bc.com/docs/rs41/rs41_en.html Github: https://github.com/bazjo Paper on capacitive humidity sensors: https://pdfs.semanticscholar.org/0728/24b548d91516d765c4b7facdceb350d61cdd.pdf Podcast: Download
Read More »EEVblog #1206 – Repair: Sony NEX VG30 Video Camera
Dave’s Sony NEX VG30 camera, err, well, it broke… A quick partial teardown and fix. And a quick talk about the cameras Dave uses for the blog. Sony NX80 Sony A6300 Sony RX100 MKIV Forum HERE Podcast: Download
Read More »EEVblog #1205 – RC2014 Z80 Computer Kit Build
Sagan assembles the RC2014 Mini retro Z80 computer kit running Microsft BASIC from 1978. But will it go to plan? Power up, testing and troubleshooting at 23:00 Forum: http://www.eevblog.com/forum/blog/eevblog-1205-rc2014-z80-computer-kit-build/ Sagan’s first time soldering: https://www.youtube.com/watch?v=EjpUYGRXzRQ Podcast: Download
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