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Magnetic door alarm system
where a changing input signal produces the sound
height: 100%
Operating Voltage: Wide power supply ranges from 2
Relay Module (2 Channels - 5V) 74161 Magnetic door alarm systemIntroduction : It is a 2 channel relay board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current. used where it is necessary to control a circuit by a low power signal (with complete electrical isolation between control and controlled circuits), or where several circuits must be controlled by one signal.
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