my gsm module uses something around 3.9 to 4 V, what should i do.
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- Mon Feb 11, 2019 5:49 pm
- Forum: Hardware
- Topic: GSM module circuit with ESP32 board
- Replies: 3
- Views: 891
I am using quectal m95 gsm module with esp32 board to create a point to point cellular connection, Can i connect thier TX and RX pins directly or i need to do some volatge level conversions???