Description : Weight Measurement Circuit (Code 9898) Weight Sensor Circuit 5V Digital Scale Module

The Weight Measurement Circuit Model 9898 is a precision 5V sensor module designed for digital scales, IoT devices, and analog-to-digital measurement systems. Based on a classic strain gauge configuration using a Wheatstone bridge, this circuit accurately converts small mechanical strain (from weight or force) into measurable electrical signals.

To ensure accuracy, the circuit features an instrumentation amplifier that boosts the low-voltage output of the strain gauge to levels readable by microcontrollers or ADCs. Perfect for hobbyists, engineers, and educators, the 9898 model blends retro analog design with modern 5V logic-level compatibility.

Whether you’re building a DIY weighing scale, calibrating a lab instrument, or learning about analog signal processing, this sensor circuit provides a powerful, reliable foundation. It’s fully compatible with platforms like Arduino, ESP32, Raspberry Pi, and more when used with an external ADC like the HX711.

✅ Specifications:

• Model 9898 Weight Measurement Circuit
• Sensor Type Strain gauge (Wheatstone Bridge)
• Operating Voltage 5V DC
• Amplifier Instrumentation amplifier (e.g., INA126)
• Output Analog (amplified) or Digital via ADC
• Accuracy High (with calibration)
• Interface Compatible with Arduino, AVR, etc.
• Signal Range mV level (pre-amp), amplified to readable
• Material PCB + Load Cell (Optional)
• Applications Digital scales, lab tools, IoT sensors

✅ Features:

• Accurate weight measurement using strain gauge
• Classic analog design with modern 5V compatibility
• Can be paired with HX711 for digital output
• Ideal for DIY scale projects or industrial retrofits
• Noise-rejecting instrumentation amplifier
• Fully compatible with Arduino, ESP32, Raspberry Pi
• Great for students, tinkerers, and educators
• Modular design allows for customization
• Excellent signal linearity with proper bridge balancing
• Educational tool to learn analog measurement systems

9898 Weight Sensor, 5V Digital Scale Circuit, Strain Gauge Load Cell, Analog Weight Measurement, HX711 Compatible, Arduino Sensor Module, Instrumentation Amplifier, DIY Electronics Kit, Retro Scale Circuit, Precision Sensor Module

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Package Included:

1xDigital Weight Sensor Circuit (Code 9898) 5V Module for Electronic Scales & Arduino