Sensor Strain Gauge | Includes Amplifier | Arduino Weighing Module

This strain gauge bending sensor module measures force, pressure, or weight. The kit includes a BF350 strain gauge and a weighing amplifier module. The strain gauge changes resistance when it bends. The amplifier converts this tiny change into a measurable voltage for your Arduino. Features and Benefits - BF350 strain gauge included - This foil-type gauge sticks to a surface. It detects small bending or stretching. - Onboard amplifier circuit - It amplifies the weak signal from the strain gauge. This makes it readable by a microcontroller's analog-to-digital converter. - Adjustable gain potentiometer - A multi-turn trimmer lets you calibrate the output. This is for precise weight measurement or force detection. - Analog voltage output - It gives a straightforward signal. You can connect it directly to an analog input pin on your microcontroller. Applications - Building a custom digital scale to measure the weight of small objects. - Monitoring stress and deflection in structural components for safety or research. - Adding force-sensing feedback to a robotic gripper to control its pressure. How It Works A strain gauge is a sensor that measures the deformation of an object. This Sensor Strain Gauge, specifically a Product Type: Strain Gauge Bending Sensor Module, operates by converting mechanical strain into an electrical signal. When the object to which the gauge is attached deforms, the electrical resistance of the strain gauge changes proportionally. This change in resistance is then measured to determine the amount of strain. The module includes an amplifier, which boosts this small electrical signal, making it easier to read and use for applications like weighing and digital sensing. Measuring the Output The output from this Sensor Strain Gauge, which includes an amplifier, is an electrical signal proportional to the strain applied. For accurate measurement, this signal typically needs to be processed by a microcontroller or data acquisition system. Given its compatibility as an Arduino Weighing Module, the output can be readily interfaced with an Arduino board. The amplifier ensures the signal is strong enough for reliable readings, particularly for applications like weighing, where precise and repeatable measurements are critical. Calibration will be necessary to translate the electrical output into meaningful units of weight or force. Common Applications Strain gauges, including this Sensor Strain Gauge, are widely used for various measurement tasks. Its Application: Weighing makes it suitable for building scales, load cells, and other weight-measuring devices. The Digital Sensing application highlights its use in detecting changes in force, pressure, or tension within a system. As an Arduino Weighing Module, it is ideal for DIY projects, educational setups, and prototyping where precise weight or force measurement is required. Its Product Type: Strain Gauge Bending Sensor Module also suggests its use in structural monitoring or material testing to assess bending forces. How They Work Strain gauges are resistive sensors. When an object experiences stress, it deforms or strains. The strain gauge, bonded to the object, also deforms. This deformation changes the length and cross-sectional area of the gauge's conductive material, which in turn alters its electrical resistance. This Sensor Strain Gauge, a Product Type: Strain Gauge Bending Sensor Module, specifically detects bending deformation. The change in resistance is minute, so the included amplifier is crucial for converting this small resistance change into a measurable voltage signal, making it suitable for Arduino weighing module applications. Measuring the Signal To measure the signal from this Sensor Strain Gauge, the output from the included amplifier needs to be read. For its specified use as an Arduino Weighing Module, this typically involves connecting the amplifier's output to an analogue input pin on an Arduino board. The Arduino's analogue-to-digital converter then translates the voltage signal into a digital value. This digital value, after calibration, can be correlated to the applied strain or weight. The amplifier ensures a robust signal, reducing noise and improving accuracy for digital sensing and weighing applications.