EEVblog No Script, No Fear, All Opinion

The mailbag dregs from 2019. Dave opens every remaining package on the shelf! Forum: https://www.eevblog.com/forum/blog/eevblog-1278-mailbag/ SPOILERS: The Amp Hour: https://theamphour.com/ 1:40 Piggy MP3 Player Teardown 3:36 Sony Walkman & Grundig Cassette Player Teardowns 10:02 PCB Xmas Tree Card: https://www.instructables.com/id/PCB-Christmas-Tree-Card/ 13:56 Zodiac language translator 18:10 Engineers PCB Ruler: https://www.etsy.com/au/listing/730343326/engineers-pcb-ruler-for-engineers-makers 21:12 Mystery ...

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

Dave got his hands on a piece of the protective covering of the Solaroad in Krommenie in the Netherlands. How much light does it block? Subscribe on LBRY: https://lbry.tv/@eevblog:7 Thanks to Stop Solaroad: https://www.youtube.com/channel/UCRhclm-nzJ1PaE2XmjPcTog https://twitter.com/Stop_Solaroad Forum: https://www.eevblog.com/forum/blog/eevblog-1276-solar-roadways-surface-tested!/ Podcast: Download

How much has UHF technology progressed in 20 years? A teardown of a 2000 vintage Uniden 500mW UH040 UHF Walkie Talkie to a modern kids 500mW version at half the size and 1/10th the cost! Bonus UH750 5W teardown. Forum: https://www.eevblog.com/forum/blog/eevblog-1275-uniden-uhf-walkie-talkie-teardowns/ Podcast: Download

Testing 7 different brands of AA Alkaline batteries in two different configurations over 10 months to see if they leak. Duracell, Energizer, Varta, Panasonic, Fujitsu, HVP70 High Voltage Probe: https://www.eevblog.com/product/hvp70/ Subscribe on LBRY: https://lbry.tv/@eevblog:7 Forum: https://www.eevblog.com/forum/blog/eevblog-1274-long-term-alkaline-battery-leakage-testing/ Podcast: Download