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Which connections are needed for the IOT Hat, if you wire solder it instead of using pins


The pin headers were too high for my project, so I removed them from my IOT Hat. I’m going to just directly wire the pins together, but wanted to know which ones need to be soldered. I assume all the ones the say available don’t have to be connected, and the ones listed as Wifi/Blu need to be connected, but I couldn’t find any information on the 3.3/5/Gnd, do we only need one of each type connected, or do they all have to be connected?


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