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M5 GSM SIM800L Module with Mic Headphone Jack
- Brands M5Stack Code: M5S-GSM800-MOD
SIM800L is a cellular phone module, integrated SIM800L, a GSM/GPRS module, only compatible with 2G network. If you want to integrate a cellular module into your design with voice, text and SMS, this hand-solderable module is pretty nice!
This module is actually an add-on module for M5Stack controllers.
The default use of serial port 2, you can also manually jump to other IO port.
Note: If you're interested to get other M5Stack modules in your hand for a lot more fun projects, you may get them here.
Note: M5Stack Fire has occupied GPIO16 / 17 to connect with the PSRAM by default, it's a conflict with TXD / RXD (GPIO16, GPIO17) of SIM800L module. Therefore, when using the SIM800L module with the M5Stack Fire, you might have to cut the TXD and RXD from SIM800L module and wire fly to another set of UART pin.