Hello there! I want to use two arduino, each one is connected to a ultrasonic sensor and to a LCD screen (I2C). I want to show the read of sensor 1 in LCD 2 and show the read of sensor 2 in LCD 1 using serial communication. Both LCD show the right value the first time, but after that it starts showi…

Arduino to arduino serial communication with sensor and LCD

cattledog August 24, 2022, 1:52am 3

You would do well to review Serial Input Basics to see how to best frame and read serial messages.

Topic		Replies	Views
Problem in serial communication and i2c lcd display not working togeather General Guidance	11	2562	November 16, 2021
Help with project General Guidance	2	516	May 5, 2021
Code to use LCD Display and Ultrasonic Sensor (3 pin sensor) Programming	9	8314	May 5, 2021
Arduino LCD Help General Guidance	3	178	July 18, 2024
Serial Communication with lua on flight simulator Interfacing w/ Software on the Computer	5	4636	May 6, 2021