EEVblog No Script, No Fear, All Opinion

Powering up the Banshee ultrasonic leak detector LED display to see how the display is multiplexed turned out to be very interesting! With special guest debugger, Sagan, who invents a new industry term “free range data”. Forum: https://www.eevblog.com/forum/blog/eevblog-1493-the-macgyver-project-part-2/ Youtube: Odysee: Podcast: Download

The $5 Hantek oscilloscope is repaired, and I’m giving it away to a youngster in Australia. If you want the scope, enter here: https://www.eevblog.com/forum/contests/giveaway-(oz-only)-hantek-oscilloscope/ Forum: https://www.eevblog.com/forum/blog/eevblog-1492-$5-oscilloscope-repaired-oz-giveaway/ Youtube: Odysee: Podcast: Download

Part 1 reverse engineering the interface on the LED display of the Banshee Ultrasonic gas leak detector to make a MacGyver type countdown timer THING (for demonetisation purposes). This will be a choose your own adventure project, I don’t have anything planned, so let me know what you want to …

Insane Jaycar dumpster relocation sale! Youtube: Odysee:

Teardown of a bizarre looking Banshee 343 Ultrasonic Gas Leak Detector Thumbs up this video and pinned comment if you want to see a countdown timer refit project! Datasheet: https://www.instrumart.com/assets/Net-Safety-Banshee343-datasheet.pdf Manual: https://www.instrumart.com/assets/Net-Safety-Banshee343-manual.pdf Forum: https://www.eevblog.com/forum/blog/eevblog-1489-mystery-teardown/ Youtube: Odysee:

Dave tries Jeri Ellsworth’s Tilt Five augmented reality AR glasses for the first time! Unboxing, first reaction, and a bit of a first user review. 00:00 – Tilt Five AR Kickstarter Glasses 01:42 – Unboxing 06:34 – The retroreflective game board 08:58 – Plugging into USB3 and fan cooling 09:35 …

How much power do Enphase and other solar micro inverters draw at night time when switched off? It’s actually a very interesting question involving real and apparent/reactive power, the system topology, and whether your storage battery is on-grid or off-grid, and also its efficiency curve. Let’s measure it, do some …

You might think you know how film capacitors fail and degrade in capacitance over time – self-healing due to surges, right? WRONG! Capacitor expert and AVX Fellow Ron Demcko confirms what’s really going on after a teardown of some failed and one good polypropylene X class capacitor. 00:00 – Teardown …

The failed PedalCell CadenceX Bike Generator from the previous mailbag video is tested, torn down, analysed, hilrariously laughed at, and dodgily repaired. https://pedalcell.com/ 00:00 – Failed Pedalcell generator – getting the pinout 02:00 – The PCB 02:40 – Oscilloscope rotation test 03:45 – Dremel speed Captain! 04:22 – Generator teardown …

Extended version of the Mailbag 1483 teardown of the Kaba Mas X-09 High Security Electronic Lock Teardown Youtube: Odysee: Podcast: Download

Bumper Mailbag! Forum: https://www.eevblog.com/forum/blog/eevblog-1483-holy-mailbag-bomb-batman/ SPOILERS: 00:00 – Contact Harald Covid Bluetooth Tracing 04:24 – Kaba Mas X09 High Security Electronic Tumbler Lock Teardown 16:53 – Failed PedalCell CadenceX Bike USB Power Generator 18:00 – Odysee vs Patreon for supporting creators 19:06 – PedalCell CadenceX Teardown 26:54 – TikStation Breadboard USB …

Odysee:

A follow up to the previous video on repairing the heater. A viewer asked how the capacitor diode rectifier gave a 24V output. The key is in the zener regulator, so this vidoe looks at how mains powered zener voltage regulators work, and their limitations. X class capacitor and self …

A heater that doesn’t heat up should be an easy and quick repair, right? RIGHT? This Arlec space heater also has a rather dodgy and product recall worthy dangerous construction! 00:00 – Arlec space heater 03:20 – PRODUCT RECALL TIME! 05:12 – Heater element measurement 07:31 – PCB inspection 11:31 …

Are solar powered electric cars viable? Let’s look at the Lightyear Zero solar powered electric car and examine the claims. Can you get a useless extended range by adding solar panels to an electric car? Dave just so happens to drive a solar powered electric car, so let’s find out! …