Abstract
Wireless temperature and humidity acquisition system is designed in this paper using PT100 thermal resistances and HS1101 sensors. The system is composed of thermal resistances using C8051f330 microcontroller with two-wire resistance measurement circuits, HS1101 frequency output circuits, 2.4 GHz ISM band RF transceiver chips nRF24L01 with multi-point sending and receiving, combination of wireless communication receiver modules CY7C68013. System uses the USB2.0 send temperature and humidity data to the PC, and display the curves of LabWindows / CVI real-time temperature and humidity.
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