The TSL25911 sensor module has a total of 5 pins. Two power pins, one interrupt pin, and two I2C pins. The pinout of the module is as follows: VCC - Provides power for the module, Connect to the 5V ...
mySerial.println("AT+CMGS=\"+ZZxxxxxxxxxx\""); // Change ZZ with the country code and xxxxxxxxxxx with the phone number to send an SMS to ...