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• .05 pitch ESP32 hand soldering, needs the aid of a microscope.

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Hand Soldering an ESP32 Wroom-32 MCU Module to a PCB New users who have not done a lot of soldering might find this method of castellated SMD soldering interesting. Solder paste is best used for this kind of application. For hand soldering, I keep normal soldering iron tip temperature at 350 degrees Celsius. In this procedure, raise the tip temperature to 400 degrees. We first solder each castellation as see in the attached YouTube video. After soldering each cove, add a small amo…

ESP32 Castellation Soldering