The ePaper module needs 8 connections to do its job. GND on the module must be connected to GND on the Activity Board, VCC should be connected to 3.3V, and all remaining pins must be connected to an I/O pin on Propeller Activity Board.
The ePaper initialize block is used to set up the ePaper display module. The DIN, CLK, CS, DC, RES and BUSY pins on the module must be matched to the Propeller Activity Board pins they are assigned to:
The test project is the classic "Hello World!" text often used to prove that a communication program is working.
The ePaper will display the information sent to it by the Propeller:
The ePaper initialize block sets up the connections between numbered Propeller I/O pins used to connect to each specific signal line on the ePaper display. The ePaper print text block passes the characters in its text block over to the display and the ePaper update block updates the screen.
CAUTION: Don’t leave the ePaper on for long periods of time. The ePaper can be damaged if left powered on and displaying the same image for more than 24 hours at a time. Use the ePaper command block to “sleep” and “wake” your screen. The ePaper cannot be refreshed directly under sun light. The refresh steps should be done indoors.
Links
[1] https://solo.parallax.com/