1, G-sensor is a gravity sensor acceleration chip , used to detect the direction and acceleration of the device. It can detect the motion state of the equipment, tilt direction and gravity acceleration and other information. G-sensors are commonly found in devices such as smartphones, tablets and game controllers. With the G-sensor acceleration chip , the device can automatically rotate the screen according to gravity sensingScreen, shaking operation, posture recognition and other functions.
2, G-sensor is a gravity sensor, it can sense the change of acceleration force. Acceleration force refers to the force acting on the object in the process of acceleration, such as shaking, falling, rising, falling and other movement changes can be converted into electrical signals by G-sensor. Through the calculation and analysis of the microprocessor, G-sensor can complete the functions designed by the program. For the tachograph, gravity sensing connects the tachograph to the body.
3, G-sensor, full name AcA celerometer-sensor is an acceleration sensor. G-sensor can sense the change of acceleration force. Acceleration force is the force acting on an object during acceleration, such as shaking, falling, rising, falling and other movement changes, which can be converted into electrical signals by G-sensor.
4, the electronic compass chips used in mobile phones are 897X series of AKM company, LSM series of ST Company and Yamaha Company and so on. Because of the need to read the G-sensor data and calculate the M-sensor and O-sensor data, so the manufacturer will generally provide a background daemon to complete the work, the electronic compass algorithm is generally the company's private property. 4 Gyroscope sensor A gyroscope sensor, called a Gyro-sensor, returns angular acceleration data for the x, y, and z axes.
5, G-sensor, that is, gravity sensor, it is a key component that can sense the change of vehicle acceleration force. When the vehicle experiences motion such as shaking, falling, rising or colliding, the G sensor picks up these acceleration force changes and converts them into electrical signals. Through careful calculations and analysis by microprocessors,It can implement pre-programmed functions. For the driving recorder, the role of G-sensor is to be closely connected with the main body of the vehicle.
1, that is, maybe your device needs different accuracy in the XY two directions, and this frequency is related to accuracy. You can see it as two separateA vertical acceleration sensor, the ADXL210E contains XY sensors in both directions. To put it simply, T2 is the duration of the pulse width in the next clock with a certain duty cycle, so the time of 1/f must be longer than T2, in other words, T21/f, is such a relationship.
2. Acceleration sensors are used in vibration testing of machinery and road Bridges. At present, HK9101 and Hk9102 are mostly used to detect the vibration value in the process of mechanical vibration, and the acceleration value of the impact of seawater and vehicles on Bridges.
3, MMA7260, FreescaleSensitivity 6g (200mV/g), 4g (300mV/g), 2g (600mV/g), 5g (800mV/g) adjustable, the most commonly used 3-axis accelerometer. The noise is terrible. Use with caution. 20RMB a piece of ADXL335, AD, sensitivity 3g (300mV/g), but the noise is very small, 12-bit sampling noise is plus or minus 1LSB. Also about 20RMB one of the above two accelerometers I have used.
4, the mobile phone gravity sensing refers to the mobile phone built-in gravity rocker chip, supporting the interface required for shaking and switchingAnd the function, shake the song shake the screen, flip the mute, shake the switch video, etc., is a very fun to use the function acceleration sensor is a kind of electronic device that can measure the acceleration force. The accelerating force is the force that acts on an object as it accelerates, just like the Earth's gravity, which is gravity.
5, IMU chip in use can be divided into hardware and software two aspects. Hardware: The IMU chip is the configuration register. In general, the range of the accelerometer and gyroscope can be selected by configuring the IMU register, and the larger the range, the worse the accuracy. You can also configure the IMUGravity sensor, also known as acceleration sensor (accelerometer), is a MEMS sensor that can sense the size of acceleration. In the model shown above, a mass block is fixed at both ends by a spring. In the absence of acceleration, the spring does not deform and the mass is at rest. When acceleration occurs, the spring deforms and the position of the mass block changes.
2, Introduction 3399 and 3395 sensors are manufactured by Infineon, an American information technology company, both using MEMS technology. The 3399 sensor was introduced earlier,Is an acceleration sensor, mainly used in the Internet of things, military, robotics and other fields. The 3395 sensor is a pressure sensor that is widely used in automotive manufacturing and other fields.
3, automotive MEMS pressure sensor and tire pressure automatic monitoring system, MEMS pressure sensor is suitable for any type of tire, buried in the tire wall a small pressure sensor chip, automatic measurement tire pressure, temperature, speed and some other data, and sent out with a specific code. Honeywell's piezoresistive pressure sensor HSC Honeywell is available at specified full scalePressure range and temperature range Read the digital output of pressure.
4, mobile devices: MEMS chips play an important role in mobile devices. Accelerometers and gyroscopes are among the most common MEMS sensors, and they are used to detect changes in the acceleration and direction of devices, enabling features such as automatic screen rotation, gesture recognition, and game control. In addition, MEMS microphones are also used to achieve noise suppression and speech recognition. Automotive: MEMS chips have a variety of applications in automobiles.
5, Tyco Electronics (TE) : Tyco Electronics is a global leader in electronic components and sensorsIt is also one of the largest connector manufacturers. TE offers a wide range of sensor types for a wide range of applications and is the 13th largest MEMS vendor in the world. St: ST is a world-renowned IDM semiconductor company and a giant in the global sensor market. As the world's fourth largest MEMS sensor manufacturer, it has long occupied the position of the world's largest MEMS manufacturer.
PMW3336 custom chip announced parameters: maximum tracking speed: 150ips (About 81 m/s). Maximum acceleration: 30g. Fixed refresh frame rate: 8000fps. Light source type: Infrared. 10800 DPI parameters: the biggest chip < / strong > < strong > acceleration, 600/1200/2400/3600/5400/7200/10800 multiple adjustable < / strong > < strong > acceleration chip, minimal fine-tuning step to 50. Silent height parameter: 1mm/2mm/3mm/4mm four-stage adjustable.
chip is not good Acceleration chip , it's easy to burn the chip. If the cold pressure connection or tightly inserted into the socket hole acceleration chip , in the low frequency (tens of KHz) if it can resist 10g (gravity acceleration impact), it can be used.
MMA7260, Freescale acceleration chip , sensitivity 6g (200mV/g), 4g (300mV/g), 2g (600mV/g), 5g (800mV/g) adjustable, the most commonly used 3-axis accelerometer. The noise is terrible. Use with caution. 20RMB a piece of ADXL335, AD, sensitivity 3g (300mV/g), but the noise is very small, 12-bit sampling noise is plus or minus 1LSB. Also about 20RMB one of the above two accelerometers I have used.
ID card can withstand 100N pressure. Id card more than 250 degrees will be damaged, can withstand 100N pressure, ID card chip has 250 degrees of high temperature resistance and the ability to withstand pressure, the second-generation ID card chip uses smart card technology, contains a chip, storage capacity is large, write information can be dividedSecurity level, partition storage, including name, address, photo and other information. The ID card recognition instrument can automatically read the information in the ID card chip.
1, Longwei Technology was founded in 2014, with MEMS sensor chip design as the core, product series including pressure, temperature, etc., to reach the international leading level, with a number of patented technologies. Shenzhen Huamei Aotong as AThe Chinese subsidiary of T Sensors< /strong>, with the world's leading sensor technology acceleration chip , the products are widely used in all walks of life.
2, Mack sensor, as the domestic pressure, liquid level, flow and temperature monitoring field leading enterprises, since 1971 has been committed to the development of industrial measurement and control instruments, plans to be listed. Companies such as Suzhou Nano Microelectronics and Meisin Semiconductor also rely on high-performance analog chips andSensor technology has contributed to the automotive, industrial and other fields, among which Meisin Semiconductor and core Motion Linkage have been successfully listed.
3, Goer Microelectronics acceleration chip : Founded in 2001, GoER Co., Ltd. is famous for precision components such as acoustics and sensors. In the field of MEMS sensors, they rely on chip technology with independent intellectual property rights to provide strong acceleration chip support for smart speakers, AR/VR devices, wearable devices, etc. As of 2021, the company has mastered 24 core technologies, numerous patents.
4, Haowei Technology is a leader in China's sensor industry, focusing on the research and development and production of image sensors. Founded in 1995, Howe Technology is headquartered in Sunnyvale, California, USA, with a research and development team of more than 100 engineers. With deep technology accumulation in the field of image sensors and advanced production processes, Howe Technology's products are widely used in many industries such as mobile phones, cameras, security, medical and automotive.
5, Weil Semiconductor with image sensors and other businesses, successfully topped the list, showing the industry leaderThe style of... Byd Semiconductor's breakthrough in the field of sensors is also remarkable, jumping to third place, demonstrating the diversified development strategy of the technology giant. Companies such as Shilanwei also strengthened their position in the list with their excellent performance in the field of MEMS sensors.
6, Bosch: As the world's leading sensor company, Bosch occupies a leading position in the field of MEMS sensors. All of the German IDM manufacturer's MEMS sensors are produced at the Reutlingen plant. SONY: SONY occupies the first place in the global CMOS image sensor marketUp to 40%, ahead of Samsung and Weil.