![]() ![]() If you don't have this, you can heat up each pin of the IC individually with the soldering iron and carefully bend it up with a needle. The easiest way to unsolder it is with a hot air desoldering station. The IC U5 is not required because we do not use the Modbus and connect the serial TTL data signals (3.3V) directly to the Wemos D1 mini.
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