dear friends am looking at interfacing my project with the sim800l module the one that is not 5v tolerant ...i was looking at using resistors to bring down the 5v to around 4v .... has anyone tried this ? any suggestions on current variable .... any guide is much appreciated... using a lipo battery …

The sim800l that is not 5v tolerant. powering it from 5v in arduino

fred254nnnnnnm October 12, 2021, 6:41pm 4

this saved me a big "research"

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