Introduction: Communication by Hand
This is a machine for people who are not able to talk or anyone who doesn’t know how to speak in English. On this machine, there is twelve simple sentences, so they can express their ideas using the machine.
Change from this：https://www.instructables.com/id/Arduino-LCD-Keypad-Shield-1/
Step 1: Prepare Materials
DF Robot LCD Keypad shield
A computer that is able to function
Step 2: Download the Code
Here is the code for the machine, I changed the words to twelve simple sentences that are common and useful.
Step 3: Make the Machine
Combine DF Robot LCD Keypad shield to Arduino Uno, then plug in the transmission cable in order to connect the machine to the computer.
Step 4: Finish
At last, upload the file to Arduino Uno.