Design of Wireless Ground Temperature Measurement System Based on Pt100 Platinum Resistor
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Abstract:
Aiming at the problem of the intricacy of the cables and inconvenient for maintenance and replacement, a wireless ground temperature measurement system is design, which measures the temperature of the fourwire Pt100 platinum resistance by the constant current source, filters and amplifies the temperature signals. The control chip is STC12C5A60S2 with the A/D conversion function integrated inside. The wireless transmission module is a nRF905 chip, which makes the maintenance, replacement and metrological verification of the Pt100 Platinum Resistor much more convenient by transferring data wirelessly. The system uses the LCD1602 to display temperature, which makes the system also be an individual thermometer while transmitting signals wirelessly.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.