Waveshare 1.54 inch

Updated on 16 December 2021

dev board Arduino UNO

firmware Arduino

chip ATmega328P

chip Waveshare

features e-paper e-ink SPI

e-paper version 1

This tutorial is more than 1 year old. If the steps below do not work, then please check the latest versions and the documentations of the individual tools used.

Before starting

Dependancies

Ensure the following dependancies are downloaded and available:

Waveshare e-paper

Buy the components

Code

Download code waveshare-1in54-e-paper.ino

#include <SPI.h>
#include "epd1in54.h"
#include "epdpaint.h"

#define COLORED     0
#define UNCOLORED   1

unsigned char image[1024];
Paint paint(image, 0, 0);
Epd epd;

void setup() {
  Serial.begin(9600);
  if (epd.Init(lut_full_update) != 0) {
      Serial.print("e-Paper init failed");
      return;
  }

  epd.ClearFrameMemory(0xFF);
  epd.DisplayFrame();
  epd.ClearFrameMemory(0xFF);
  epd.DisplayFrame();

  paint.SetRotate(ROTATE_0);
  paint.SetWidth(200);
  paint.SetHeight(24);

  paint.Clear(UNCOLORED);
  paint.DrawStringAt(10, 4, "Hello world!", &Font16, COLORED);
  epd.SetFrameMemory(paint.GetImage(), 0, 10, paint.GetWidth(), paint.GetHeight());

  paint.Clear(UNCOLORED);
  paint.DrawStringAt(10, 4, "e-Paper+UNO", &Font16, COLORED);
  epd.SetFrameMemory(paint.GetImage(), 0, 30, paint.GetWidth(), paint.GetHeight());

  epd.DisplayFrame();

  delay(2000);
  epd.Sleep();
}

void loop() { }

Makefile

BOARD?=arduino:avr:uno
PORT?=/dev/cu.usbmodem14*

.PHONY: default lint all flash clean

default: all flash clean

lint:
	cpplint --extensions=ino --filter=-legal/copyright *.ino

all:
	arduino-cli compile --fqbn $(BOARD) ./

flash:
	arduino-cli upload -p $(PORT) --fqbn $(BOARD) ./

clean:
	rm -f .*.hex
	rm -f .*.elf

Prototype

A photo of the actual setup.

Schematic

Wire up the hardware accordingly

Description

The 4 non-SPI pins are defined in epdif.h file:

#define RST_PIN         8
#define DC_PIN          9
#define CS_PIN          10
#define BUSY_PIN        7

The 2 SPI pins for Arduino UNO are defined as:

MOSI  11
MISO  12
SCK   13