-
The application of door sensor in access control system
Sep 22 , 2020
The door sensor is a small sensor used to detect whether the door is closed. There are many electric locks with door sensor function. We suggest that if the door sensor is used in the access control system, it is best to purchase the electromagnetic locks built-in door sensor function (with door status feedback). If the electric door lock does not have a door sensor funct...
-
Which kind of fingerprint sensor will be better? Semiconductor or Optical?
Nov 20 , 2020
Which kind of fingerprint sensor will be better? Semiconductor or Optical?There are two types of fingerprint sensors for Standalone access control in the market: one is an optical fingerprint sensor and the other is a semiconductor fingerprint sensor.Below, S4A Sales representative Ms. Anna Zhang will introduce the advantages and disadvantages of these two fingerprint sensors, as below:Advant...
-
The use skill and installation method of door magnetic sensor
Jan 19 , 2021
The use skill and installation method of door magnetic sensorThe current security industry is developing faster and faster. Advances in technology are driving the development of a magnetic door sensors, How much do you know about magnetic door sensor? S4A will introduce the use skills and installation methods of the magnetic sensor.Due to its leading achievements in the use of multiple reeds, &quo...
-
What is a Wall Touchless Switch
May 21 , 2021
The proximity sensor switch (hereinafter referred to as the proximity switch) is a device that can sense the proximity of an object to perform corresponding switching actions. An induction switch is a position switch that can be operated without mechanical contact with moving parts. When the object approaches the sensing surface of the switch to the operating distance, it does not require mechanic...
-
Luxury Touch Switch
Jun 04 , 2021
Many people's cognition of switches is still on the traditional push switch, and the appearance of the switch is not very demanding. However, with the economic development, people's consumption power is gradually increasing, and more and more people are concerned about the appearance of the switch. There is demand, and the newly launched exit push button [EB-10] of S4A just meets the needs...
-
The principle of touch switch and its advantages and disadvantages
Dec 29 , 2021
The touch switch is a modern electronic component switch, which belongs to the category of electronic appliances. Touch switches are widely used in household appliances due to their small size and lightweight, such as video products, digital products, remote controls, communication products, household appliances, security products, toys, computer products, fitness equipment, medical equipment, mon...
-
What sensor does the automatic sensor door use?
Apr 07 , 2022
There are two main types of sensors for Automatic door opener, microwave sensors and infrared sensors.1. Microwave sensor Microwave sensors, also known as "microwave radars", can respond to the movement of objects. Because the response speed of the microwave sensor is fast, it is very suitable for places where people with normal walking speeds pass through. &nbs...
-
The difference between electric door closer and automatic door opener
Apr 19 , 2022
Electric door closers are also called automatic door closers, fire linkage door closers, normally open fire door closers, etc., which are used to control the positioning, release, and closing of normally open fire doors. The fire door is usually kept in the normally open state of 0-170°, and the fire-fighting linkage monitoring system can be used to realize the automatic ...
-
What it is and how to create a touch switch
Jun 10 , 2022
Touch switches increase the usability of electronic devices. While providing additional functions, these specific components provide a unique experience. That's because it can better control compatible devices. Although not a development of new technology, touch switches are still very popular today.We work hard to help you gain deeper insights. After reading this article, you will find t...
-
Smart and convenient The role of sensors in smart homes
Jun 29 , 2022
More and more sensors are widely used in smart home appliances. Faced with the gradual popularization and development of intelligent home networks, it has become more urgent to introduce various sensors into home appliances. People hope that home appliances can increase the comfort of use, reduce energy and water consumption, facilitate cleaning, reduce noise and vibration, improve the quality of ...
-
What is the exit button?
Aug 12 , 2022
The exit button is a new product with the development and progress of science and technology. The touch switch that can realize more intelligent and more convenient operation has the incomparable advantages of traditional switches and is a very popular decorative switch for household products.1. What is the exit button?Touch switches are classified into resistive touch switches and ...
-
Types of electric mortise locks
Nov 07 , 2022
Electric mortise locks are divided into: two-wire electric mortise locks, five-wire electric mortise locksTwo-wire electric mortise lock: There are two wires, red and black, red is connected to power +12VDC and black is connected to GND. Disconnect either wire, the lock retracts, and the door opens. The two-wire electric lock is relatively simple in design and has no single-chip control circuit. T...