Hello, I'm a programmer but I'm new to electronics. My project works fine but I need your advice on how to use only one step down to power both, the arduino nano (5v) and the SIM800L (4v) and also I need to know if my connections (resistors, etc.) are acceptable. Here's a video of my question: Que…

Interfacing Arduino Nano and Sim800L with one step down LM2596

system Closed April 19, 2022, 2:48am 3

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