EEVblog #1092 – Wi-Charge IR Wireless Charging – Fact or Fiction?
Running the numbers on the W-Charge Infrared laser wireless charging system, does it work?, is it practical?, what is the efficiency?, how much power can it deliver?, is it dangerous? And the laser power is HOW MUCH?!
EEVblog #1091 – LED Studio Light Repair
Dave discovers a potential systemic manufacturing issue with Lifud LED light drivers. A repair of two of Dave’s failed Lifud LED studio panel light drivers. Forum HERE
EEVblog #1090 – Sony Mystery Teardown
What is this mystery bit of Sony equipment? It’s probably not what you think… A look at an obscure bit of niche industry gear. Actual teardown starts at 10:00 Forum HERE
EEVblog #1089 – XTAL Oscillator Teardown
What’s inside a DIP crystal oscillator module? A 2 minute teardown turns into 17 minutes, because, well, it’s Dave. Includes a revisit of the bypass capacitor video. Oscillator chip datasheet Forum HERE
EEVblog #1088 – Uber Autonomous Car Accident Report
The NTSB today released the report into the fatal Uber Autonomous car accident. TLDR; The RADAR, LIDAR, and cameras DID detect and classify pedestrian bicycle correctly. The system DID determine that emergency braking was required.
EEVblog #1087 – UNBELIEVABLE Alesis Studio Monitor Fault!
An unbelievable fault in Dave’s Alesis M1 Active 520USB powered studio monitor speaker. Can you discover the culprit before Dave does? This was supposed to be a boring trivial repair of a power LED, but it turned into something much more interesting.
EEVblog #1086 – 5 Year Solar Power Results – Payback?
Dave looks at the 5 year data on his 3kW home solar power system. What was the payback period? And will adding a Tesla Powerwall 2 lithium ion battery energy storage solution be worthwhile? PVoutput data HERE Forum HERE Installation VIDEO Previous Upda...
EEVblog #1085 – Bypass Capacitors Visualised!
An in-depth practical visualisation of how bypass capacitors work at both high and low frequencies. Bulk decoupling capacitors vs bypass capacitors. Capacitor placement and types are tested and the results examined.
EEVblog #1084 – Pocket Multimeter Shootout Part 2
Some quick extra tests on the 6 of the 14 pocket multimeters from Part 1 Which meter *won’t* survive testing? Forum HERE
EEVblog #1083 – Pocket Multimeter Shootout
14 pocket multimeters from $8 to $65 are torn down and compared for feature set and build quality. Ranging in price from $8 to $65, which one is the best in each price category? Part 2 coming tomorrow. Timestamps: 6:07 XB866 Wun Hung Lo 9:42 ANENG AN82...