Print Code 128 barcodes on EM205 thermal printer

Thread Starter

Vindhyachal Takniki

Joined Nov 3, 2014
514
1. Need to print Code 128 barcodes on EM205 thermal printers. I am using arduino library here: https://github.com/adafruit/Adafruit-Thermal-Printer-Library

2. printer is EM205 running at 9600 baud rate. I am able to print characters & barcodes as attached.

3. barcode in pic is 14 characters max as u can see & below is code for that:

printer.print(F("CODE128:"));
printer.printBarcode("12345678901234", CODE128);

4. Problem is when i increase the characters to 15 or more, nothing prints. How to solve this? I need to printer around 55 characters. Untitled.png
 
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