Code 128 encodes any ASCII text (great for internal codes). EAN-13 needs 12 or 13 digits, UPC-A needs 11 or 12 digits — the check digit is added automatically. Code 39 accepts A–Z, 0–9, and - . $ / + % space. Everything runs on your device.
Code 128 encodes any ASCII text (great for internal codes). EAN-13 needs 12 or 13 digits, UPC-A needs 11 or 12 digits — the check digit is added automatically. Code 39 accepts A–Z, 0–9, and - . $ / + % space. Everything runs on your device.