Article List

• Buzzer for Forehead Thermometer

  Due to the influence of COVID-19, "body temperature measurement" is already a daily need of people. Therefore, the forehead thermometer is another popular product after masks, alcohol, disinfection water and other epidemic prevention materials.The circuit of the forehead gun is relatively simple. It

  Product News March 24, 2020
• "Tickless and Flealess",keep away from ticks, fleas by using 40KHz ultrasonic sensors.

  About ticks and fleasTicks live by sucking blood. They usually live in terrestrial mammals, birds, reptiles and amphibians. Some species invade the human body. Ticks absorb a large amount of blood, which can swell several times to dozens of times when they are full of blood at each developmental sta

  July 08, 2021
• Common methods of repairing piezo buzzer

  We have already done some simple analyses on the piezo buzzer, magnetic buzzer, and mechanical buzzer before. In fact, some basic knowledge about them has already been understood. It is essential for us to be damaged during use. If there is no suitable replacement and it is urgent, then could we rep

  June 22, 2020
• India "hypoxia", emergency purchasing Chinese oxygen generators, full quantities of oxygen sensor to help fight epidemic

  India's epidemic prevention and control has failed, extremely "hypoxia"

  June 24, 2021
• What is a mechanical buzzer ?

  What is a mechanical buzzer? The mechanical buzzer is a special sub-category of the electromagnetic buzzer, which consists of an oscillator, an electromagnetic coil, a magnet, a casing and etc.The mechanical buzzer is always with high impedance, DC resistance is infinite, AC impedance is also very l

  August 07, 2018
• Advantages and disadvantages of ultrasonic sensors

  Ultrasonic sensors have the characteristics of high measurement accuracy, stable operation, and temperature compensation. They are widely used in manufacturing, power, metallurgical measured building materials, chemicals, food, automobiles, warehousing, ships, ships, textiles, transportation, explor

  May 21, 2020
• How to choose a right SMD buzzer

  If you are designing various products (such as home appliances or reliable access control systems, etc.), you should choose a good quality SMD buzzer as the main way to interact with different users. As outlined by www.manorshi.com, you need to understand and master the parameters of the SMD buzzer

  March 13, 2020
• Magnetic V.S. Piezo Buzzers

  There are two main types of buzzers, namely magnetic buzzers and piezo buzzers. In general, magnetic buzzers are more traditional. Compared with piezo buzzers, their composition is more convenient. When a voltage is applied, the coil of the buzzer generates a viable magnetic field, which makes t

  January 17, 2020
• Active buzzers

  An active buzzer is a device that beeps at a preferred frequency. The device generates sound itself. This is usually the case even if no force or stable direct current is applied. If you want to buy a buzzer that emits sound without generating an oscillating signal, then this may be your best ch

  January 14, 2020
• Loudness and pitch of sound

  Loudness and pitch of soundSound is a vibration of air.Sounder pressure level (dB) = loudness of soundAir pressure is called Sound Pressure when a sound is propagated through the air.Minimal loudness of sound perceived by a human is defined as 0dB (20μPa). Sound pressure that Manorshi’s sound compon

  August 24, 2019