EEVblog

What is parametric searching, how is it useful, and how to best use it. Dave answers a viewer question and hunts down the best microcontroller for the job, explaining and demonstrating parametric search engines in the process. Forum HERE

Mailbag Forum HERE Stempedia Electronics Learning Kit: https://thestempedia.com Powerfilm Solar flexible indoor solar panels and bluetooth development board. https://www.powerfilmsolar.com/specialty-markets/indoor-solar-panels/ Synwit 25 cent ARM micro http://smdprutser.nl/blog/the-arm-chip-that-wont-cost-an-arm-and-a-leg/ https://lcsc.com/product-detail/Synwit_SWM050I2P7-65_C111818.html Xmas tree light PCB: https://goo.gl/U8H48y Casio Calculator watch teardown Full length video cuts: Stempedia Evive: https://www.youtube.com/watch?v=WXJP_CNYt3o Powerfilm Solar: https://www.youtube.com/watch?v=S-UqkM8iDKM

How to make your own magnetic H-field EMC probe out of semi-rigid coax for $10 that performs identically to a $300 commercial probe! Search for “Low noise amplifier” and “semi-rigid rg402” on ebay. Forum HERE

What’s inside the Ericsson / LG IPECS PABX left behind in Dave’s new lab. Along with a Jabra Bluetooth headset Forum HERE

What difference does a 4 layer PCB make to EMC radiated emissions compared to an identical 2 layer PCB? And why? Dave does H-Field near-field probe testing on two otherwise identical PCB’s. Electromagnetic waves and the difference between near field and far field, and H-Field and E-field probes and wave impedance is also explained. The ...

Some of the most commonly asked questions: How do you become a professional electronics engineer?Can you be a professional engineer without a degree?How do you get an engineering job or contract job? The different grade of engineering are also explained. Professional engineers, Engineering Technologists, and Associate Engineers. https://www.oregonlive.com/news/2018/12/federal-judge-finds-state-law-governing-who-is-an-engineer-violates-free-speech.html Forum HERE

Teardowns of the Rohde & Schwarz HMP4040, HMP2020, and NGE103 programmable lab power supplies. Comparisons with other brand PSU’s: There are some comparisons with other brand PSUs https://www.rohde-schwarz.com/brochure-datasheet/hmp/ https://www.rohde-schwarz.com/au/product/hmp4000-productstartpage_63493-47360.html https://www.rohde-schwarz.com/au/product/nge100-productstartpage_63493-387267.html Forum HERE

Rohde & Schwarz were offended at the quality of the power supplies in the EEVblog lab, so sent in some “real” lab power supplies! Unboxing and first look at the Rohde & Schwarz HMP4040, HMP2020, and NGE103 programmable lab power supplies. Comparisons with other brand PSU’s: There are some comparisons with other brand PSUs: https://www.rohde-schwarz.com/brochure-datasheet/hmp/ ...

A follow-up to the Yihau/WEP SMD Station Meltdown, testing the heater drive TRIAC and looking at the brushless DC fan motor. And how a TRIAC and SCR works. DaveCAD github Forum HERE

David2’s Yihau/WEP 898D+ SMD rework station literally melted down! Autopsy time. Forum HERE