Door Alarm Circuit
Optical Door Alarm Circuit Here is an optical door alarm circuit is easy to build and can be used in a variety of alarm applications. The compact alarm can also be used on some other equipment in addition to protecting the windows and doors (as a burglar alarm). It consists [...]
Temperature Sensor Circuit
Precision Temperature Sensor Circuit Design Temperature Sensor Circuit is a key element required at a temperature sensing. In the process control environment, the temperature is a phenomenon of the most widely measured so that the required precision and high precision in order to represent actual environmental conditions. Some commonly used [...]
Ultrasonic Level Transmitter
Ultrasonic Level Transmitter – Beginner Guide Ultrasonic level transmitter is a transmitter that is used to convey data information related to the measurement of liquid level and / or solids in an industry to the recipient. Level measurement process uses ultrasonic frequencies, frequencies that above the frequency of 20 KHz, [...]
Ultrasonic Level Sensor
Ultrasonic Level Sensor Working Principle Ultrasonic level sensor is one approach commonly used of the various types of measurement-level offered in the market today. However, there is some other very common method in the measurement of level, such as RF Capacitance, Radar, Conductance (conductivity), and Hydrostatic Head (tank gauging). Which [...]
Fire Alarm Circuit
Fire Alarm Circuit Overview A fire alarm circuit is a circuit that is used to warn people in case of fire to play an alarm sound and / or flashing warning lights. A simple fire alarm circuit has a sub-circuit, including a heat detector, flame detector, smoke detector and other [...]
