Generally, the best reading distance of barcode scanner at the toll-booth of the expressway is 25cm-80cm (field test). According to the actual scanning distance of the high-speed toll booth, RAKINDA company has specially upgraded the payment function...
2D code scanner mobile phone screen payment code is the most mainstream way of mobile payment today, especially in the public transportation field in recent years, the demand for QR code scanning payment module is more fierce. It is the scanning paym...
At present, the community generally adopts the access control card. Swiping card then get access. The disadvantage is that only the resident has the access card. The visitor will be asked by the security, registration, telephone number, ID card numbe...
Now with the development of E-commerce shopping, online shopping is more and more convenient and able to meet people's needs. Even the convenience of mobile shopping, delivery to the home, there are still various problems in express delivery, no one ...
