How to connect an Arduino to a real serial port (RS232) For the challenge, I wanted to send data from my computer's real serial port (RS232 9-pin connector). For that, I created an adaptor circuit ...

The gist of this method involves a webpage that includes PHP elements. When one of those elements is manipulated, a command is sent via serial connection to the Arduino which then reacts based on ...

As recommended in the wiki documentation, I tested that I can connect to the database from a different system: paul@paul-desktop:~$ sudo mysql -h192.168.1.201 -ugranary_sensors -ppassword --port=33 ...