So in a nutshell the code is poorly written because I plan it to be the fundation for a calculator, but rigth now is just a timer, so that may be the problem, but everything works until I try to stablish a connection with the serial monitor "Serial.begin(9600)" Without the serial line the code works… Read More I have a problem running an lcd code for an arudino.The code is fine , but if I try to start a serial begin on the code, it wont work

I need a code that connects 3 ultrasonic sensors, 1 buzzer, and 1 LED in a Arduino uno I tried using this code the original code was only supposed to work with 1 sensor I tried modifying it but nothing seems to work and it keeps buzzing and flickering light randomly. It would be much… Read More code for connecting 3 ultrasonic sensor, 1 buzzer, 1 LED in a Arduino uno

I am using an Arduino-uno connected to a local network via an Ethernet Shield and I am trying to get the configuration information of its ethernet card (for example: IP address, subnet mask, gateway, DNS). Is there a function that allows me to get this data and save it in some variables? >Solution : You… Read More Get information abuot arduino ethernet card