But that project only showed you how to interface the Arduino with the keypad — [Doug ... This allows him to send text messages to himself when the alarm system is armed, disarmed, or triggered.

The below circuit diagram shows the complete hardware wiring setup of the Arduino-based Smart Walking Stick for the Blind ...

For testing he’s soldered an IDC plug to the cartridge cover pin interface but this only requires four connections. The Arduino can both send and receive data from the DS lite as shown in the ...