What is a knock sensor on a car engine for? In sandbox
The combustion of the engine is very complicated, so it needs to have a very precise design and control. A little control error or abnormality will cause abnormal combustion, and "...
Cecelia Qiu in Electronics 15 April · 6Some differences between capacitive and thermal MEMS sensors
Design engineers often need to choose among different kinds of accelerometers when developing heavy equipment. For example, in heavy machinery such as cranes, tractors, woodcutters...
Cecelia Qiu in Electronics 06 April · 23Application of Hall Sensor Ranging and Selection of Magnet
We want to use the Hall sensor to measure micro-distance, and it is inevitable to involve the problem of Hall sensing distance. Some may require a relatively short sensing distance...
Cecelia Qiu in Electronics 17 March · 9Thyristor selection skills
1. Choose the type of thyristor There are many types of thyristor, which should be selected reasonably according to the specific requirements of the application circuit. If it i...
Cecelia Qiu in Electronics 03 March · 12An introduction to temperature sensor
Temperature is a basic physical quantity, and all processes in nature are closely related to temperature. The temperature sensor is the earliest developed and most widely used type...
Cecelia Qiu in Electronics 28 February · 12What is A/D conversion and D/A conversion?
1. What is a/d, d/a conversion: With the rapid development and popularization of digital technology, especially information technology, in the fields of modern control, communicat...
Cecelia Qiu in Electronics 25 February · 9Class D audio amplifiers have advantages
Designers often choose Class-D audio amplifiers to drive speakers in a variety of medium-power applications such as televisions (TVs), Bluetooth® speakers, and notebook computers....
Cecelia Qiu in Electronics 22 February · 27How to choose a signal generator and adjust the sensitivity of the signal generator?
1. Application of signal generator in sensitivity The sensitivity of the radio and the walkie-talkie can be adjusted by the signal generator. The basic principle of adjustment is...
Cecelia Qiu in Electronics 11 February · 9What is a fiber optic adapter?
What is a fiber optic adapter? Fiber optic adapters (also known as flanges), also known as fiber optic connectors, are the centering and connecting components of fiber optic activ...
Cecelia Qiu in Electronics 25 January · 18An overview of electromagnetic relay
Selection of Electromagnetic Relays Understand the necessary conditions ① The power supply voltage of the control circuit, the maximum current that can be provided; ②The voltage...
Cecelia Qiu in Electronics 21 January · 14Precautions for relay application In sandbox
1 coil voltage The voltage used by the coil should be selected according to the rated voltage in the design. If not, it can be selected with reference to the temperature rise curv...
Cecelia Qiu in Accessories 17 January · 5The principle and function of air pressure sensor
The air pressure sensor detects the absolute pressure of the intake manifold behind the throttle valve. It detects the change of the absolute pressure in the manifold according to...
Cecelia Qiu in Electronics 12 January · 12