12-06-2024, 01:41 AM
Code:
#include <HardwareSerial.h>
// Define serial port
HardwareSerial SimSerial(1); // Use hardware serial port 1 (GPIO9 and GPIO10)
void setup() {
// Initialize USB serial port (default serial port 0)
Serial.begin(115200);
while (!Serial) {
; // Wait for USB serial port to connect
}
// Initialize SIM7600 serial port
SimSerial.begin(115200, SERIAL_8N1, 9, 10); // RX=GPIO9, TX=GPIO10
//Serial.println("ESP32-S3 begin work");
}
void loop() {
// If data is received from the computer, forward it to the SIM7600 module
if (Serial.available()) {
while (Serial.available()) {
char data = Serial.read();
SimSerial.write(data);
}
}
// If data is received from the SIM7600 module, forward it to the computer
if (SimSerial.available()) {
while (SimSerial.available()) {
char data = SimSerial.read();
Serial.write(data);
}
}
}
5-GSM-Test.zip (Size: 598 bytes / Downloads: 12)
BIN file (you can use esp32 download tool download to ESP32-S3 with address 0x0 then directly to use) download:
5-GSM-Test.ino.merged.zip (Size: 184.08 KB / Downloads: 15)