If you are using Grass QR Code to make a set of QR code inspection system, you need the following equipment and hardware in making QR code and using it:
A computer or cell phone for logging into Grass QR Code's website or small program to create and manage your QR code live code.
A cell phone with internet access and WeChat installed, which can be a smartphone or tablet, for scanning the QR code and recording the data and status of the inspection.
A4 printer (non-essential) for printing the image of the QR code you have generated and affixing it to the equipment or area to be inspected, if not available, this can be done at a neighboring print store.
For the cost, Grass QR code provides both free and paid versions:
The free version allows you to use most of the functions, unlimited number of code builders and code scanners, the QR code is valid for a long time, unlimited number of times of submitting the inspection records, and the backend data is saved for a long time. If you use it on a small scale, you can choose the free version;
The paid version provides more functions and technical support. If you have a large number of devices and need to differentiate between multiple collaborative management, you can choose the flagship version of 2680.