i want to make a liquid level indicator using ultrasonic sensor, buzzer and GSM SIM800H to send message, but it gives me readline timed out when i try to use the code below to send message. can anyone help me to solve this!
#define TELNO “+250785741924”
void setup ()
Serial.println(“sending a SMS text: Hello world”);
void loop ()
bool smsSent = gprsbee.sendSMS(TELNO,“Hello World”);
gprsbee.init(Serial1, BEECTS, BEEDTR);
output looks like this!