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wemos-d1-mini-nokia-5110-pcd8544's Issues

some pcd8544 nokia examples crashes

Posted also on wemos github:
wemos/D1_mini_Examples#24

In particular all examples with higher sketch size will crash:
example: "hello-wemos"
tried also to switch to "4M (1M SPIFFS)" to get more flash size.
console output:
`WeMos D1 Mini + Nokia 5110 PCD8544 84x48 Monochrome LCD
Using Adafruit_PCD8544 and Adafruit_GFX libraries

Show Adafruit logo bitmap

Exception (3):
epc1=0x40202f88 epc2=0x00000000 epc3=0x00000000 excvaddr=0x4022f960 depc=0x00000000

ctx: cont
sp: 3ffef9c0 end: 3ffefc00 offset: 01a0

additional info:
It crashes after the line:
Serial.println("----trace-----");

void loop() {
  display.clearDisplay();
    Serial.println("----trace-----");
  display.drawBitmap(0, 0, WeMos_logo_84x48, 84, 48, BLACK);
  Serial.println("----trace2-----");
  display.display();
  Serial.println("Show WeMos logo 84x48 bitmap");

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