二维码 vs 微型二维码
Micro QR codes (ISO/IEC 23941) use a single finder pattern instead of three, reducing size by up to 50%. Limited to 35 numeric / 21 alphanumeric characters. Ideal for small electronics and PCB marking.
Micro QR codes (ISO/IEC 23941) use a single finder pattern instead of three, reducing size by up to 50%. Limited to 35 numeric / 21 alphanumeric characters. Ideal for small electronics and PCB marking.