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EEVblog

EEVblog #1179 – Mailbag

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 Podcast: Download

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EEVblog #1178 – Build a $10 DIY EMC Probe

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 Podcast: Download

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eevBLAB #59 – Patreon Is An Unsustainable Business!

Patreon is an unsustainable business, in their own words. They took the investment money and now they are paying the price. It looks as though nothing Patreon can do that won’t piss off their creators will bring in enough money to keep the investors happy. In addition to the fallout …

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EEVblog #1176 – 2 Layer vs 4 Layer PCB EMC TESTED!

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 …

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