NFC functionality

NFC is used for reading out production data.

Download and open NFC Tools app, enable NFC and touch device with your smartphone.

Example of data read by NFC tools app:

NFC Record
Type:
application/json
Format:
Media (0x02)
Defined by RFC 2046
Raw value:
{
    "smart-sensor-production-data": {
        "serial": "123456789012",
        "ffid": "FMS196F121",
        "hw_index": "A",
        "production_date": 2314,
        "base_mac": "64abbb149b2a"
    },
    "checksum": 22222
}

Payload: 158 bytes
0x7B 0x22 0x73 0x6D 0x61 0x72 0x74 0x2D 0x73 0x65 0x6E 0x73 0x6F 0x72 0x2D 0x70 0x72 0x6F 0x64 0x75 0x63 0x74 0x69 0x6F 0x6E 0x2D 0x64 0x61 0x74 0x61 0x22 0x3A 0x7B 0x22 0x73 0x65 0x72 0x69 0x61 0x6C 0x22 0x3A 0x22 0x35 0x39 0x31 0x30 0x39 0x31 0x37 0x38 0x35 0x30 0x30 0x30 0x22 0x2C 0x22 0x66 0x66 0x69 0x64 0x22 0x3A 0x22 0x46 0x4D 0x53 0x31 0x39 0x36 0x46 0x31 0x32 0x31 0x22 0x2C 0x22 0x68 0x77 0x5F 0x69 0x6E 0x64 0x65 0x78 0x22 0x3A 0x22 0x48 0x22 0x2C 0x22 0x70 0x72 0x6F 0x64 0x75 0x63 0x74 0x69 0x6F 0x6E 0x5F 0x64 0x61 0x74 0x65 0x22 0x3A 0x34 0x31 0x39 0x35 0x2C 0x22 0x62 0x61 0x73 0x65 0x5F 0x6D 0x61 0x63 0x22 0x3A 0x22 0x37 0x30 0x38 0x34 0x38 0x31 0x32 0x39 0x38 0x30 0x33 0x39 0x22 0x7D 0x2C 0x22 0x63 0x68 0x65 0x63 0x6B 0x73 0x75 0x6D 0x22 0x3A 0x33 0x36 0x35 0x33 0x7D

NFC data is read-only.

The checksum type is the CRC16-CCITT/KERMIT of the JSON object smart-sensor-production-data:{...}.