The "NEW Rev 0" Mini Spot Welder review

If you like and appreciate my content, feel free to like and subscribe and why not offer me a beer @ my paypal: [email protected] - cheers! I finally managed to review the "new Rev 0" Mini Spot Welder. I have done my best to explain in detail what the issues are and how to correct them, hopefully improving the life and performance of this version. I cannot guarantee that these mods will give you a perfect and flawless product so please apply them at your own risk. Index 00:00 - Intro 03:20 - Brief description on differences 05:04 - Unit description 06:28 - Driver circuit Comparison: Old Rev 0 Vs. New Rev 0 09:08 - Driver circuit in New Rev 0 12:41 - Driver Schematics and Mods explanation 15:44 - Trigger scope shots 22:51 - Resistor mods on schematics and MCU PCB 31:08 - Circuit differences 32:15 - The driver circuit problem 33:08 - Weld pics 34:20 - Live Weld example 35:58 - Booster circuit Regulation Ripple 37:47 - MOSFET turn on phases 45:55 - Product considerations 47:40 - Anti Spark connector 49:59 - Gate turn-off scope shot 51:09 - Final considerations Schematic of the New Rev 0: drive.google.com/file/d/1WoP4S2nsLATvomAciGshfox_S… All Current Mini Spot Welder versions: circuit Analysis, differences and faults Bk11/bl18 Schematics: drive.google.com/file/d/1JdTd9zBeO-WjV4NazYxrOzqyk… drive.google.com/file/d/1yHxHAMzU08w1dSB8qBUGWz0NB… BJ07 Schematics: drive.google.com/file/d/1EM7G28I6Zkv35L-ae8JuToM6-… drive.google.com/file/d/1LuWD--ZSOIpf0oW1TmZOXtKvC… "New" Rev 0: drive.google.com/file/d/1WoP4S2nsLATvomAciGshfox_S… Links to some tech docs: MCP1407 ww1.microchip.com/downloads/en/DeviceDoc/20002019C… MCU Nuvoton MS51FC0AE www.nuvoton.com/export/resource-files/PB_MS51_Seri… LTV 357 Optocoupler www.tme.eu/Document/e03070c3b8e8994d30b33c266eed49… Infineon IPLU300N04S4-R8 www.infineon.com/dgdl/IPLU300N04S4-R8-Data-Sheet-1… Miller Effect wiki: en.wikipedia.org/wiki/Miller_effect