<![CDATA[Sim800l module]]>I can't find any example about sim800l module. Can you help with that.

]]>https://community.m5stack.com/topic/63/sim800l-moduleRSS for NodeMon, 04 May 2026 07:16:02 GMTTue, 02 Jan 2018 18:10:19 GMT60<![CDATA[Reply to Sim800l module on Fri, 05 Jan 2018 06:26:54 GMT]]>no serial1, m5stack offer serial0 and serial2

]]>https://community.m5stack.com/post/143https://community.m5stack.com/post/143Fri, 05 Jan 2018 06:26:54 GMT<![CDATA[Reply to Sim800l module on Thu, 04 Jan 2018 18:51:19 GMT]]>Can I use:
HardwareSerial Serial1(1);
to declare RX and Tx for communication between the board and sim800l module?

]]>https://community.m5stack.com/post/141https://community.m5stack.com/post/141Thu, 04 Jan 2018 18:51:19 GMT<![CDATA[Reply to Sim800l module on Thu, 04 Jan 2018 02:11:48 GMT]]>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

]]>https://community.m5stack.com/post/137https://community.m5stack.com/post/137Thu, 04 Jan 2018 02:11:48 GMT