EEVblog
1373 episodes
EEVblog – E1377
2 days ago
How long does it take for your 400mA multimeter fuse to blow at 600mA? Grab a chair and watch! The amazing unpredictability of fusing current ratings at low overloads. Forum:...
EEVblog – E1376
1 week ago
Dave fixes a rather strange fault in his Tandy 102 portable computer. Forum: https://www.eevblog.com/forum/blog/eevblog-1376-tandy-102-vintage-computer-repair/ AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g Buy anything through that...
EEVblog – E1375
1 week ago
Another bumper Mailbag! Forum: https://www.eevblog.com/forum/blog/eevblog-1375-mailbag/ AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g Buy anything through that link and Dave gets a commission at no cost to you. Donate With Bitcoin &..
EEVblog – E1374
2 weeks ago
How easy is it to take the open source Trezor Model T crypto hardware wallet files and manufacture your own? Or to modify or improve the design? The Trezor is open source hardware, so Dave checks out the Github and looks at the hardware files available..
EEVblog – E1373
2 weeks ago
Part 2 of the DIY PCB LED light photography box. This time experimenting with top and bottom side emitters and paper reflectors to give an even better result. Forum: https://www.eevblog.com/forum/blog/eevblog-1372-diy-pcb-photography-light-box/ ...
EEVblog – E1372
2 weeks ago
How to build your own DIY light box for photographing PCB's Dave experiments with a cardboard box, some alfoil, and a hacked YujiLED high cri studio light. https://www.flickr.com/photos/eevblog/albums Forum:...
EEVblog – E1371
3 weeks ago
Dave is a tad obsessed with making a 10,000hr battery life bench multimeter. It's actually not hard. Forum: https://www.eevblog.com/forum/testgear/10000hr-battery-life-bench-multimeter/ AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g Buy
EEVblog – E1370
3 weeks ago
Dave repairs his pesky Kindle Paperwhite with touch screen and charging issues. Forum: https://www.eevblog.com/forum/blog/eevblog-1370-kindle-paperwhite-repair/ AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g Buy anything through that...
EEVblog – E1369
3 weeks ago
Dave debunks the Xiaomi Mi Air wireless charging system that claims to be able to charge at 5W up to several meters using mm wave RF beam steering technology. Where have we heard this before? The Signal Path:...
EEVblog – E1368
1 month ago
Part 2, this time looking at different types of active oscillocope probes. Single ended active FET probes, differential active FET probes, current clamp probes, high voltage differential probes, positional current probes, and EMC magnetic and electric...
EEVblog – E1367
1 month ago
Dave looks at the pros and cons of 5 different types of oscilloscope passive probes. Switchable x1/x10, Fixed x10, High voltage single ended, DIY Transmission line Z0 probe, and BNC to banana/croc leads. PART 1 of 2 200MHz 100M 100:1 HV probe:...
EEVblog – E1366
1 month ago
Another mystery item from the storage bunker. Forum: https://www.eevblog.com/forum/blog/eevblog-1366-mystery-bunker-item-teardown/ AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g Buy anything through that link and Dave gets a commission..
EEVblog – E1365
1 month ago
Dave answers a viewer technical question about why his circuit is acting up, and goes through a design review outlining the possible problems. Level translation, clocking, schmitt triggers, line driving, loading, buffering, bypassing, and other aspects...
EEVblog – E1364
1 month ago
Dave repairs the Compaq Portable Plus power supply. And takes a look at the schematic and an unusual old documentation system. Forum: https://www.eevblog.com/forum/blog/eevblog-1364-compaq-portable-psu-repair/ Subscribe and Follow Above! AliExpress...
EEVblog – E1363
1 month ago
Solar FREAKIN' Roadways has just raised over $1M by selling common stock in the company! AND has scored ANOTHER government contract!, this time from the Department of Defence! Solar FREAKIN' Aircraft Carriers! https://www.startengine.com/solar-roadways ..
EEVblog – E1362
1 month ago
First Mailbag of 2021 is a skookum bumper! Forum: https://www.eevblog.com/forum/blog/eevblog-1362-a-very-skookum-mailbag/ AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g Buy anything through that link and Dave gets a commission at no cost
EEVblog – E1361
1 month ago
By popular demand, Dave tears down the dodgy tactile switch from his aircon, and compared with a couple of others. Forum: https://www.eevblog.com/forum/blog/eevblog-1361-dodgy-tactile-switch-teardown/ AliExpress Affiliate:...
EEVblog – E1360
1 month ago
Dave's lab aircon control panel has been dodgy for years, time to finally fix it! A simple fault with rather interesting and complicated set of a symptoms based on a (poor?) design decision. Forum:...
EEVblog – E1359
2 months ago
Dave shows you his new compact portable video blogging kit that provides a complete vlogging solution in a tiny grab'n'go case! With 4 different audio solutions, lighting, power & charging solution, and a versatile handle and frame system, along with a...
2 months ago
Alternative platform EXCLUSIVE! Yamaha Sound Bar Teardown and look at potential headphone jack mod.