anchor.diff:          pixels += String.fromCharCode(((l & 0x0f00) >> 12) + 97);
           pixels += "LOAD";
   
  -        await makePostRequest(host+'/LOAD', pixels);
  +        await makePostRequest(host + '/LOAD', pixels);
   
           linecount += 1;
           pixels = "";
  
positive.code: // https://www.waveshare.com/wiki/E-Paper_ESP8266_Driver_Board
  //
  Future<bool> epaperUpload(Image image, String host) async {
    await makePostRequest(host+'/EPD', 'db');
  
    String pixels = "";
    var currentByte = 0x0;
  
negative.code:       currentByte = currentByte << 1;
      }
    }
  
    if (pixels.length >= 1500) {
      var l = pixels.length;
      pixels += String.fromCharCode(((l & 0x000f) >> 0) + 97);
      pixels += String.fromCharCode(((l & 0x00f0) >> 4) + 97);
      pixels += String.fromCharCode(((l & 0x0f00) >> 8) + 97);
      pixels += String.fromCharCode(((l & 0x0f00) >> 12) + 97);
      pixels += "LOAD";
  
      await makePostRequest(host + '/LOAD', pixels);
    }
  
    await makePostRequest(host + '/SHOW', '');
  
    return true;
  }
  