こちらを参考して、苦労してなんとか表示できた。
下記のライブラリを追加してください
問題は、２番目のライブラリは、そのままWeMosに対応できない、エラーがたくさん発生する！
下記のプルリクエストが無視された見たい、手動で手元のライブラリに応用してください
配線:
| WeMos D1 Mini | Nokia 5110 PCD8544 LCD | Description |
|---|---|---|
| D2 (GPIO4) | 0 RST | Output from ESP to reset display |
| D1 (GPIO5) | 1 CE | Output from ESP to chip select/enable display |
| D6 (GPIO12) | 2 DC | Output from display data/command to ESP |
| D7 (GPIO13) | 3 Din | Output from ESP SPI MOSI to display data input |
| D5 (GPIO14) | 4 Clk | Output from ESP SPI clock |
| 3V3 | 5 Vcc | 3.3V from ESP to display |
| D0 (GPIO16) | 6 BL | 3.3V to turn backlight on, or PWM |
| G | 7 Gnd | Ground |
ソースコード
/* Hello World
* Display a simple message on the first line of the screen
*
* Connections:
* WeMos D1 Mini Nokia 5110 Description
* (ESP8266) PCD8544 LCD
*
* D2 (GPIO4) 0 RST Output from ESP to reset display
* D1 (GPIO5) 1 CE Output from ESP to chip select/enable display
* D6 (GPIO12) 2 DC Output from display data/command to ESP
* D7 (GPIO13) 3 Din Output from ESP SPI MOSI to display data input
* D5 (GPIO14) 4 Clk Output from ESP SPI clock
* 3V3 5 Vcc 3.3V from ESP to display
* D0 (GPIO16) 6 BL 3.3V to turn backlight on, or PWM
* G 7 Gnd Ground
*
* Dependencies:
* https://github.com/adafruit/Adafruit-GFX-Library
* https://github.com/adafruit/Adafruit-PCD8544-Nokia-5110-LCD-library
* - This pull request adds ESP8266 support:
* - https://github.com/adafruit/Adafruit-PCD8544-Nokia-5110-LCD-library/pull/27
*/
#include <Arduino.h>
#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_PCD8544.h>
// Pins
const int8_t RST_PIN = D2;
const int8_t CE_PIN = D1;
const int8_t DC_PIN = D6;
//const int8_t DIN_PIN = D7; // Uncomment for Software SPI
//const int8_t CLK_PIN = D5; // Uncomment for Software SPI
const int8_t BL_PIN = D0;
// Software SPI with explicit CE pin.
// Adafruit_PCD8544 display = Adafruit_PCD8544(CLK_PIN, DIN_PIN, DC_PIN, CE_PIN, RST_PIN);
// Software SPI with CE tied to ground. Saves a pin but other pins can't be shared with other hardware.
// Adafruit_PCD8544(int8_t CLK_PIN, int8_t DIN_PIN, int8_t DC_PIN, int8_t RST_PIN);
// Hardware SPI based on hardware controlled SCK (SCLK) and MOSI (DIN) pins. CE is still controlled by any IO pin.
// NOTE: MISO and SS will be set as an input and output respectively, so be careful sharing those pins!
Adafruit_PCD8544 display = Adafruit_PCD8544(DC_PIN, CE_PIN, RST_PIN);
void setup() {
Serial.begin(9600);
Serial.println("\n\nWeMos D1 Mini + Nokia 5110 PCD8544 84x48 Monochrome LCD\nUsing Adafruit_PCD8544 and Adafruit_GFX libraries\n");
// Turn LCD backlight on
pinMode(BL_PIN, OUTPUT);
digitalWrite(BL_PIN, HIGH);
display.begin();
display.setContrast(60); // Adjust for your display
Serial.println("Show Adafruit logo bitmap");
// Show the Adafruit logo, which is preloaded into the buffer by their library
// display.clearDisplay();
delay(2000);
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(BLACK);
display.setCursor(0,0);
display.println("Hello, world!");
display.display();
Serial.println("You should now see Hello, world! on the display");
}
void loop() {
}
参考