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: https://pvoutput.org/list.jsp?userid=22501
Previous Update: https://www.youtube.com/watch?v=dEqlOj6_m0Q
Forum: <a href="http://www.eevblog.com/forum/blog/eevblog-1086-5-year-solar-power-payback/" Continue reading EEVblog #1086 – 5 Year Solar Power Results – Payback?
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.
How package inductance can have a large effect.
Loop area and what is means, it’s impact on EMC emissions, and how Continue reading EEVblog #1085 – Bypass Capacitors Visualised!
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?
6:07 XB866 Wun Hung Lo
9:42 ANENG AN8203
15:47 $10 Shootout Summary
16:14 Uni-T UT10A
19:12 Uni-T UT120B/120C
22:41 UNI-T Shootout Summary
23:05 Jaycar Continue reading EEVblog #1083 – Pocket Multimeter Shootout
What does the UL type approval logo on consumer products mean?
What about TUV, ETL, GS, CCC and other marks?
Dave breaks down safety standards and compliance marks.
Previous video on the CE & FCC mark: https://www.youtube.com/watch?v=f0uvS80YIGU
Underwriters Laboratory UL Standard catalog: https://standardscatalog.ul.com/
ETL mark: Continue reading EEVblog #1082 – What is the UL logo on products?
Can a product work without ANY bypass capacitors?
Dave has some fun finding out if “Muntzing” the Gigatron TTL computer works, i.e. removing all the bypass capacitors.
Lots of interesting talk on bypassing, grounding, probing, signal integrity, ground loops, loop area, noise and crosstalk.
TLDR; Don’t remove all your bypass caps, they are Continue reading EEVblog #1081 – Are Bypass Capacitors REALLY needed?
LIVE DIY Gigatron TTL Computer Build
Live build of a DIY 8bit RISC computer made entirely from TTL chips. Lots of soldering and construction tips, and does drag soldering work on through hole components?
A look at the amazing construction techniques used in the world’s thinnest calculator by Casio
Destructive teardown on the Casio SL800 credit card calculator from 1983.
It’s more interesting than expected!
EEVblog Main Web Site: http://www.eevblog.com
The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2
Support the EEVblog Continue reading EEVblog #1078 – World’s Thinnest Calculator Teardown!