A zigbee Internet of things module and its low power consumption control method
A technology of the Internet of Things and low power consumption, applied in the direction of program control, computer control, general control system, etc., can solve the problem of high power consumption and achieve the effect of ultra-low power consumption
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[0026] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0027] Such as figure 1 Shown is the pin design diagram of the Zigbee Internet of Things module of the present invention. Zigbee Internet of Things module of the present invention adopts CC2530 chip to carry out circuit design as Zigbee CPU main chip.
[0028] Such as figure 2 Shown is the peripheral circuit diagram of the RF front end of the Zigbee Internet of Things module, including antennas, matching networks (L1, C12, C13), balun balance circuits (C21, C22, C23, C24, C25, L3, L4), receiving ports ( RF_P) and the transmitting port (RF_N); the receiving port (RF_P) and the transmitting port (RF_N) are respectively coupled to the input and output pins of the main chip. In this embodiment, the antenna may be a 2.4GHz PCB (Printed Circuit Board, Printed Circuit Board) antenna, and the main chip may be a CC2530 chip.
[0029] The balun balance circuit (C21, C22, ...
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