Taken-out article prompting system
A technology of items and warning lights, applied in instruments, alarms, etc., can solve the problems of insufficient convenience and intelligence, poor experience effect, forgetting to bring things, etc., and achieve the effect of improving convenience, experience effect and wide range of use.
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example 1
[0060] Example 1: If there are 5 members in a family, only the key is set as an item that must be carried when going out. There are 5 keys in total. There is an electronic tag on each key and a total of 5 electronic tags are required. When a member goes out , as long as the 2.4G wireless radio frequency chip 11 scans the electromagnetic wave signal sent by any one of the 5 electronic tags within 4s after being triggered, it will not be reminded, otherwise the buzzer will sound to remind the person who goes out to forget to carry the key.
example 2
[0061]Example 2: If there are 3 members in a family, keys, wallets, and mobile phones are all set as items that must be carried when going out. Among them, the keys can be carried by any of the 3 people, and the wallet and mobile phone correspond to each member, a total of 3 Keys, 3 wallets and 3 mobile phones require a total of 9 electronic tags. The 9 tags are marked as A1, A2, A3, B1, B2, B3, C1, C2, and C3. The 3 keys correspond to A1, A2, A3, the 3 wallets correspond to B1, B2, B3 respectively, and the 3 mobile phones correspond to C1, C2, C3 respectively, because the 3 keys can be taken by each person, and the wallets and mobile phones are one-to-one correspondence between members, so it can be Divide these 9 electronic tags into 9 groups, where group 1 includes A1, B1, C1, group 2 includes A1, B2, C2, group 3 includes A1, B3, C3, group 4 includes A2, B1, C1, group 5 includes A2, B2, C2, group 6 includes A2, B3, C3, group 7 includes A3, B1, C1, group 8 includes A3, B2, C...
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