HOW TO CONNECT RASPBERRY PI AND GSM SIM800L BY ONLY USING 1N5400 DIODE ON 5V PIN (easy setup 💯)
This is a tutorial on how to wire a raspberry pi to gsm module Sim800l.
This approach uses a 1n5400 diode on the 5V pin of the raspberry pi.
Links where to buy the parts:
RPI 4: https://amzn.to/2NGYBh6
SIM800L: https://amzn.to/2YMJl8C1
1N5400: https://amzn.to/3ihUUwr
A very simple approach with no extra complicated converters like buck, boost, etc.
This is very handy on raspberry pi projects that is related to gsm like sending sms, receiving sms, doing calls, etc.
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