Intelligent supermarket shelf system
A shelf and intelligent technology, applied in the field of intelligence, can solve the problems of cumbersome price modification process and single price modification method
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[0064] Due to the wide variety of goods and the huge number of pallets 2 required, in order to reduce maintenance costs, it is required that the power supply 264 can supply power for a long time. Therefore, Tray 2 adopts the low-power design mechanism of "sleep + timing wake-up collection". Under the voltage of 3.0V, the measured data of the power consumption of each unit of tray 2 is as follows:
[0065] The display unit 21 using the ELINK electronic paper screen only consumes a lot of power when refreshing the display. The current when refreshing the display is 2.5mA, and the current is 0.6uA when sleeping.
[0066] The current of the load cell 22 is 1mA when it is working, and the current is 0uA when it is off.
[0067] The low-power bluetooth Mesh routing node 261 with the model Telink Micro TLSR8266 has a transmit current of 4mA and a current of 1mA when idle. It can enter deep sleep mode and consumes 3uA when in sleep.
[0068] Using NTAG I with energy harvesting funct...
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