Sim800l module
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I can't find any example about sim800l module. Can you help with that.
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it use AT command, so you can use the serial<->serial2 program to test it.
if (Serial2.available()) {
int inByte = Serial2.read();
Serial.write(inByte);
}// read from port 0, send to port 1:
if (Serial.available()) {
int inByte = Serial.read();
Serial2.write(inByte);
}bps=9600
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Can I use:
HardwareSerial Serial1(1);
to declare RX and Tx for communication between the board and sim800l module? -
no serial1, m5stack offer serial0 and serial2
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