7Semi ACS772 50A 200KHz Current Sensor, Automotive Grade The 7Semi ACS772 50A 200 kHz Current Sensor is a high-performance current sensor module designed to accurately measure both AC and DC currents up to 50 A with a wide frequency response. Built with automotive-grade components, it delivers dependable and precise current sensing in demanding environments where stability and safety are critical. This sensor addresses the common challenge of obtaining accurate current measurements in power electronics, motor control, and battery systems, helping you monitor and protect circuits effectively. With its broad bandwidth of up to 200 kHz and robust design, the ACS772 current sensor module offers fast response, excellent linearity, and low noise, making it suitable for a wide range of applications. It’s perfect for students and hobbyists working on robotics or power monitoring, as well as professionals developing automotive systems, industrial equipment, and high-speed power electronics. The module’s ease of integration and reliability make it a practical choice for projects requiring real-time current feedback and protection. Features: High-accuracy current sensing with ±2.1% lifetime accuracy across temperature ranges Supports AC and DC current measurement for demanding power applications Ultra-low 100 µΩ internal conductor resistance for minimal power loss Reinforced galvanic isolation for safe high-side current monitoring Excellent noise immunity with advanced amplifier and filtering design Factory-trimmed gain and offset for consistent, reliable performance Compact, automotive-grade package for easy integration and mounting

7Semi 5A Analog INA169 DC Current Sensor Breakout The 7Semi 5A Analog INA169 DC Current Sensor Breakout is a precision Analog DC current sensor designed for accurate current monitoring in electronic circuits. Powered by the trusted INA169 chip, it delivers consistent current readings up to 5A across a wide input range of 2.7V to 60V. Its low offset voltage and minimal quiescent current ensure reliable measurements, while adjustable gain and overcurrent protection add versatility for various applications. Compact and easy to integrate with microcontroller-based systems, this INA169 current sensor is perfect for IoT projects, battery management, power monitoring, and smart energy solutions, providing dependable performance for both hobbyists and professional engineers. Features: Wide Voltage Range Compatibility: Operates efficiently between 2.7V and 60V, making it suitable for both low and high-voltage applications. High-Side Current measuring: Enables unipolar high-side current measuring for safer and more accurate readings. Customizable Gain Control: Easily alter output sensitivity with a single resistor to meet your individual application requirements. Built-in Signal Amplifier: Provides clean and amplified output signals for accurate ADC conversion. Overcurrent detection protects connected components by detecting and responding to excessive current. Low Quiescent Current: Consumes only 60 µA, making it ideal for energy-sensitive projects. Microcontroller-Friendly: Fully compatible with Arduino, ESP32, STM32, Raspberry Pi, and other development boards. Compact Design: Small form factor excellent for embedded system integration and space constraints. Connection Diagram with Arduino:

7Semi INA219 Triple-Channel DC Current Monitoring Sensor Breakout The 7Semi INA219 3-Channel DC Current Sensor Breakout is designed for makers, engineers, and system developers who need high-accuracy, real-time monitoring of voltage, current, and power across multiple DC loads. With three independent measurement channels, this board lets you track power usage holistically, ideal for multi-device systems, battery-powered projects, or performance-critical circuits. Its precise readings up to 26V and 3.2A make it a dependable choice for applications where stable power management matters. Equipped with an I2C interface, programmable addressing, and dual Qwiic I2C ports, this breakout simplifies integration into embedded systems, IoT setups, and advanced monitoring projects. Whether you’re optimizing battery health, managing motor loads, or evaluating system efficiency, this sensor board ensures reliable performance and accurate insights with embedded power-monitoring intelligence and flexible configuration options. Features: Provides three independent DC current-measurement channels, allowing simultaneous monitoring of multiple loads for comprehensive system analysis. Measures up to 3.2A current and 0–26V DC voltage with high accuracy, enabling precise power diagnostics in embedded systems. Uses a reliable I2C communication interface with 16 programmable addresses, supporting multi-sensor setups without conflicts. Offers dual Qwiic I2C ports for quick, solder-free connections and easy integration into existing development environments. Supports detailed monitoring of voltage, current, and calculated power, giving users full visibility into energy usage. Designed for battery management, motor control, IoT devices, and power-supply diagnostics requiring accurate real-time data.

7Semi INA240 4V-80V Bidirectional Current Sensor Amplifier Breakout Board The 7Semi INA240 4V–80V Bidirectional Current Sensor Amplifier Breakout Board is built around the Texas Instruments INA240, designed for accurate and reliable current measurement in demanding electronic applications. This INA240 Current Sensor offers a fixed gain of 20 V/V and supports bidirectional current sensing across a wide –4V to 80V common-mode voltage range, making it ideal for high-side current monitoring. With advanced PWM rejection, it delivers stable and precise measurements even in electrically noisy environments such as motor control, power management, and DC load monitoring systems. Features: Gain: INA240A1: 20 V/V - Increase your current sensing precision. Wide Common Mode Voltage Range (-4V to 80V): Measure currents precisely, even in systems that operate below ground voltage. Enhanced PWM Rejection: Get reliable measurements in environments with PWM signals by filtering out noise for increased accuracy. High-Precision Voltage Output: The INA240A1PW's voltage output is proportionate to measured current, allowing you to seamlessly integrate it into your existing configuration. Compact and Convenient: The breakout board's design allows for easy integration into your projects while also providing convenient access to important pins. Versatile Applications: Suitable for a variety of projects, including motor drives, solenoid control, battery management, and power monitoring.

7Semi INA240 4-80V Bidirectional Current Sensor Amplifier Breakout Board The 7Semi INA240 4-80V Bidirectional Current Sensor Amplifier Breakout Board features the renowned Texas Instruments INA240, delivering precise bidirectional current measurements with a 50 V/V gain across a wide voltage range of -4V to 80V. With superior PWM rejection, it maintains accurate readings even in electrically noisy conditions, making it perfect for motor drives, power monitoring, and advanced electronics applications. Compact, reliable, and easy to integrate, this INA240 Current Sensor breakout board is an essential tool for engineers, makers, and hobbyists seeking high-precision current sensing in their projects. Features: Wide Voltage Range (-4V to 80V): Measure current seamlessly throughout a wide common mode voltage range, including applications that operate below earth. Enhanced PWM Rejection: Maintain precision in the presence of significant common mode transients, ensuring reliable measurements in systems that use PWM signals. High-Precision Voltage Output: The INA240A2 onboard delivers a proportional voltage output that integrates well with your existing configuration. Compact and Convenient: The breakout board's design simplifies integration into your projects while providing easy access to critical pins and connections. Various Applications: Suitable for motor drives, solenoid control, battery management, power monitoring, and a variety of other tasks.

20A ACS712 Current Sensor The 20A ACS712 Range Current Sensor Module ACS712 consists of a precise, low-offset, linear Hall circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field in which the Hall IC converts into a proportional voltage. Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. Connection Diagram of Arduino Uno with Current Sensor : Fig: Connection of ACS712 Current Sensor with Arduino UNO Curve of relation between the DC input voltage and measuring current: Fig : Output Voltage vs. Sensed Voltage Features: Hall Effect-Based Sensor: Utilizes the Hall effect for current measurement, providing electrical isolation. Analog Voltage Output: Produces an analog voltage proportional to the current passing through the sensor. High Accuracy: Offers precise current measurement with low offset and linear output. Wide Measurement Range: Can measure currents from -20A to +20A. Sensitivity: 100mV/A, meaning the output voltage changes by 100mV for every ampere of current. Supply Voltage: Operates at 5V. Compact Size: Dimensions are typically around 32x15mm Applications: Power Monitoring: Used to monitor power consumption in various devices and systems. Battery Management Systems: Measures current flow in battery-operated systems to ensure proper charging and discharging. Motor Control: Provides precise current measurement for controlling motors in various applications. Overcurrent Protection: Detects overcurrent conditions to protect circuits from damage. Inverters and SMPS: Used in inverters and switch-mode power supplies (SMPS) for current measurement and control. Electric Vehicle Charging Stations: Monitors and controls current in high-power charging stations. Heavy Machinery: Measures current in heavy machinery for performance analysis and maintenance. Automotive Applications: Used in automotive systems like power steering and inverters.

Gravity: Analog AC Current Sensor (20A) Gravity: Analog AC Current Sensor (20A) is the perfect solution for hassle-free AC current measurement. No more cutting wires or complicated circuits. Designed for non-contact measurement, this sensor offers multiple ranges, making it versatile for various scenarios. Whether monitoring AC motors, lighting, or electrical equipment, this sensor ensures high safety and easy installation. Compatible with 3V3/5V micro-controllers, it provides accurate readings without direct contact. The wide temperature range makes it suitable for diverse conditions. Enhance your projects with the reliability of Gravity: Analog AC Current Sensor. Features: Non-contact measurement, high safety Multiple ranges for various measurement scenarios Compatible with 3V3/5V micro-controller Applications: AC motor automatic monitoring Lighting and electrical equipment measurement

GSR Skin Current Sensor V2.0 The Galvanic Skin Response (GSR) Skin Current Sensor V2.0 is a sort of biosensing module that gauges the electrical conductance of the skin (GSR). This is an upgraded version of the previous GSR Skin Current Sensor module . It generally includes the same features and working principles of the previous version but it has some improvements such as higher precision, better accuracy, and more stable performance. It is typically used in research, educational and personal use. Skin conductance is used as an indication of psychological or physiological arousal. The device measures the electrical conductance between 2 points and is essentially a type of ohmmeter.

5A ACS712 Current Sensor The 5A ACS712 range Current Sensor Module consists of a precise, low-offset, linear Hall circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field in which the Hall IC converts into a proportional voltage. Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. Connection Diagram: Current Sensor Connection With Arduino The curve of relation between the DC input voltage and measuring current: Fig : Output Voltage vs. Sensed Voltage ?read our blog explaining  Interfacing acs712 current sensor with Arduino, which provides information about the ACS712 current sensor, discussing its features, working principle, hardware requirements, and applications.

30A ACS712 Current Sensor The 30A ACS712 Current Sensor consists of a precise, low-offset, linear Hall circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field in which the Hall IC converts into a proportional voltage. Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. Connection Diagram of Arduino Uno with Current Sensor : Fig: Connection of ACS712 Current Sensor with Arduino UNO Curve of relation between the DC input voltage and measuring current: Fig : Output Voltage vs. Sensed Voltage