However, the upper sensor will still be open circuit and the NOR gate output will be high, keeping the relay closed. The normally open (NO) contact of the relay will be closed to operate the ...

Water Temperature Controller – Block Diagram The block diagram of this simple project is shown in Fig. 1 and its circuit diagram is in Fig. 2. The project is built around water temperature sensor ...

This circuit uses very few and basic components which can be easily available, anyone can build it right away. This Heat Sensor is not only simple but also effective; you can try it at home. Here ...

In this tutorial we will learn how to interface the popular DHT11 Temperature and Humidity sensor with STM32 microcontroller. ... Humidity indicates the amount of water vapor present in the air. ...

Data is converted from an internal diode temperature-sensing element to a digital format that can be directly interfaced to a PICmicro® microcontroller unit (MCU). The MCP9800 sensor offers many ...

This digital thermometer circuit diagram uses a common 1N4148 diode as the temperature sensor. The temperature coefficient of the diode, -2 mV/°C is exploited for this application to create an ...

Rain Water Detector Circuit Diagram Circuit Explanation. The points A and B of the circuit are connected to the points A and B of the rain sensor respectively. When rain is falling, the rain water ...

This paper describes the use of a temperature-compensation circuits for simple solution-concentration sensor with temperature compensation using bulk acoustic waves. We analyzed the design method of ...