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EEVblog #1190 – Mailbag Review Bonanza

A look at three major products in this lengthy Mailbag. SPOILERS: LabJack T7-Pro Multifunction DAQ with WiFi, Ethernet, and USB 15:56 Balena Fin Raspberry Pi Compute module industrial computer 29:29 Dodgy truck LED tailight assembly 38:00 Joulescope: Precision DC Energy Analyzer Kickstarter With lengthy discussion on current measurement autoranging. Forum …

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EEVblog #1188 – $10 DIY EMC Probe using Scope FFT

How good is your existing oscilloscopes FFT function with the $10 DIY EMC H-field probe compared with a dedicated spectrum analyser? Dave tries the DIY EMC probe with half a dozen different low cost scopes, so it turned into a bit of a practical FFT shootout: Rigol DS1054Z Siglent SDS1202X-E …

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EEVblog #1187 – Room Heater Technology Explained

A comprehensive tutorial on room (space) heater technology and their effectiveness and efficiency in heating rooms and homes. The different types of heat transfer are discussed, along with the different types of heater technology available and how they apply to room and object heating. The 2nd law of thermodynamics, and …

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EEVblog #1186 – Solus Graphene Heater Kickstarter BUSTED!

Busting the SOLUS Kickstarter – “The Most Efficient Radiator In The World” based on “completely new, eco-friendly and graphene-based technology” “Save over 80% on your next heating utility bill”! TLDR; It’s a crazy expensive 200W – 300W glass panel heater with magic woo-woo graphene paste that does not produce any …

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EEVblog #1182 – Mains Interference Simulator Teardown

A look inside a Swiss made Schaffner NSG200E Mains Interference Simulator after it released the magic smoke. A very unusual bit of kit that tests products for mains line interference like lightning strikes, transients, and dropouts. May involve alien crop circles. Forum HERE Podcast: Download

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EEVblog #1181 – Car ECO OBD2 Fuel Saver SCAM!

Dave exposes the ECO (Nitro) OBD2 Fuel Saver as a complete SCAM! They are supposed to talk to the car’s ECU via the CAN bus on the OBD2 connector, but does it even do that? Or is this Homeopathy for cars? Bonus rant on Audiophile Audiophoolery! Forum HERE Podcast: Download

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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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