CAUTION: SLIPPERY FLOORThe Arduino Library Manager installs the ArduinoJson version 6 by default.
However, using version 5 is highly recommended because version 6 is still in beta stage.
Open the Arduino Library Manager and make sure that ArduinoJson version 5 is installed.
Here are the common ways to install ArduinoJson.
Option 1: Use the Arduino Library manager
Choose this method if you use Arduino 1.6.x or newer.
Option 2: Download the single header
You can download ArduinoJson as a single
Just go to the latest release on GitHub and download the file.
Now, copy the file alongside with your