Hall Sensors

Comparison of Five Commonly Used Sensors: Understand Infrared, Hall, Photoelectric, Ultrasonic, and Temperature Sensors Quickly

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When working on projects and debugging, sensor selection is the first hurdle for engineers. Have you ever struggled with the differences and applications of the various types available? Don’t worry! Today, we will conduct a comprehensive comparison of the five most commonly used sensors—Infrared, Hall, Photoelectric, Ultrasonic, and Temperature—to help you quickly select the right … Read more

Design and Implementation of an IC Card Smart Water Meter Control System Based on the 51 Microcontroller

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Design and Implementation of an IC Card Smart Water Meter Control System Based on the 51 Microcontroller

With the continuous advancement of the Internet of Things and smart city construction, traditional mechanical water meters can no longer meet the demands of modern water management. As an important component of smart water management, smart water meters possess features such as remote measurement, automatic billing, and prepaid control, significantly enhancing the efficiency and safety … Read more

Hall Sensors for Various Parameters in Automotive Applications

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Hall Sensors for Various Parameters in Automotive Applications

In the process of autonomous driving, cars are equipped with an increasing number of sensors. Compared to sensors that use other measurement principles and technologies, Hall effect-based magnetic field sensors have many advantages. Current models also meet the stricter requirements of the ISO 26262:2018 standard. When a magnetic field is applied to a semiconductor that … Read more

Intelligent Dual-Control System for Motors Based on 51 Microcontroller: Integrated Design of Stepper Closed-Loop PID and DC PWM Speed Control

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Intelligent Dual-Control System for Motors Based on 51 Microcontroller: Integrated Design of Stepper Closed-Loop PID and DC PWM Speed Control

In modern automation control systems, motors serve as the core actuators, and their control precision and response speed directly determine the performance of the system. The 51 microcontroller, due to its low cost, high stability, and abundant development resources, has become the preferred controller in many embedded projects. This article introduces a dual-motor control system … Read more

Design of a Taxi Mileage Meter Based on the 51 Microcontroller (Accurate Billing and Display)

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Design of a Taxi Mileage Meter Based on the 51 Microcontroller (Accurate Billing and Display)

With the advancement of technology and the acceleration of urbanization, taxis, as an important component of urban public transportation, require a high level of accuracy and reliability in their billing systems. This article introduces a design for a taxi mileage meter based on the 51 microcontroller, which can achieve precise mileage billing and clear information … Read more

Comprehensive Understanding of Hall Sensors

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Comprehensive Understanding of Hall Sensors

Comprehensive Understanding of Hall Sensors In magnetic sensors, sensors made using the Hall effect are called Hall sensors. Hall sensors can be divided into Hall elements that directly output the Hall voltage (VH) obtained from the Hall effect, Hall ICs that process the output of Hall elements through subsequent ICs to output high and low … Read more

Speed Measurement System Based on AT89C51 and Proteus Simulation

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Speed Measurement System Based on AT89C51 and Proteus Simulation

System Overview This design implements a simple speed measurement system using the AT89C51 microcontroller, which detects the speed of rotating objects through a Hall sensor and displays it in real-time on an LCD1602. With appropriate modifications, it can serve as a bicycle odometer, car engine speedometer, or vehicle mileage meter. The system includes the following … Read more