Teardowns

Mystery Mailbag Teardown! Huawei make WHAT? Subscribe on Library: https://lbry.tv/$/invite/@eevblog:7 Forum: https://www.eevblog.com/forum/blog/eevblog-1289-mystery-huawei-teardown/ Podcast: Download

Dave’s local shopping centre just installed shopping trolleys with electronic locking wheels fro ma company called Gatekeeper System, how does it work? Teardown time! Subscribe on Library: https://lbry.tv/$/invite/@eevblog:7 FCC website: https://fccid.io/SOX-W9200/ Forum: https://www.eevblog.com/forum/blog/eevblog-1287-gatekeeper-shopping-trolley-lock-investigated/ Podcast: Download

Let’s save 30 cents/unit and stuff the environment! How can bad and cheap product design kill the environment by requiring vastly more energy generation, delivery and PF correction infrastructure? Dave looks at the shockingly energy wasteful design of mains powered smoke alarms. Subscribe on LBRY: https://lbry.tv/$/invite/@eevblog:7 Forum: https://www.eevblog.com/forum/blog/eevblog-1284-how-bad-product-design-kills-the-environment/ Podcast: Download

What is Mains Ripple Injection and control? A mystery bunker item teardown turned out to be a very interesting and obscure bit of test kit. Subscribe: http://www.eevblog.tv Forum: https://www.eevblog.com/forum/blog/eevblog-1283-what-is-mains-ripple-injection/ Podcast: Download

Random Bunker dumpster item teardown. A 20 year old Australian designed and made electric fence controller. Repair guides are here: https://pakton.com.au/support.php Forum: https://www.eevblog.com/forum/blog/eevblog-1277-electric-fence-controller-teardown/ Podcast: Download