Aiming at the problems and shortcomings of the water heater control system, based on the actual demand of the water heater control system, a water heater control system was studied and designed by using GPRS technology. The hardware design, software design and the working principle of the system are described in this paper. The system has been tested. The test results show that it has the advantages of good stability, high performance price ratio and convenient operation. The function and performance of the system meet the design requirements. It has great application value.
The paper describes the hardware and software implementation of combustible gas detection and alarm equiped STC12C5410AD microcontroller and catalytic combustion sensor. The select catalytic combustion sensor and design of high-precision differential amplifier circuit can meet the requirements of industrial and mining for combustible gas detection at room temperature. The measurement accuracy can be further improved by using software to execute piecewise linearization.
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