LiquidCrystal_I2C lcd(0x27,20,4); // set the LCD address to 0x20 for a 16 chars and 2 line display SoftwareSerial obd(pinKLineRX, pinKLineTX, false); // RX, TX ...
I have created a setup with an arduino nano and a nodemcu esp8266. I am using SoftwareSerial to have them communicate with each other. The esp hosts a web server, and upon user input it sends a JSON ...
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