HX711 Load Cell Amplifier Module
70.00 EGP
A high-precision 24-bit analog-to-digital converter (ADC) specifically designed for weigh scales and industrial control applications. It allows you to easily interface load cells with microcontrollers like Arduino to measure weight with extreme accuracy.
In stock
Product Overview
The HX711 is a specialized IC designed to amplify the tiny millivolt signals from a load cell (strain gauge) and convert them into digital data that an Arduino can read. It eliminates the need for complex analog circuitry. Whether you are building a digital kitchen scale, a postal scale, or an industrial level sensor, the HX711 is the standard choice for “Maker” weight-sensing projects.
Arduino Wiring & Connections


To Load Cell:
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RED Line: Input E+
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BLACK Line: Input E-
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WHITE Line: Input A-
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GREEN Line: Input A+
To Arduino:
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VCC: 2.7V – 5V
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GND: Ground
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DT (Data): Any Digital Pin (e.g., D3)
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SCK (Clock): Any Digital Pin (e.g., D2)
Technical Specifications
| Feature | Specification |
| ADC Resolution | 24-bit |
| Operating Voltage | 2.6V to 5.5V |
| Operating Current | < 1.5mA |
| Selectable Gain | 32, 64, or 128 (Channel A and B) |
| Output Data Rate | 10SPS or 80SPS (Selectable) |
| Differential Input Range | $\pm 20mV / \pm 40mV / \pm 80mV$ |
| Operating Temperature | -40°C to +85°C |
Key Features
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Dual-Channel Inputs: Supports two differential input channels.
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On-chip Low Noise Amplifier: No external components needed for signal conditioning.
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Simple Serial Interface: Uses a 2-wire protocol (Clock and Data) similar to I2C but simpler.
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Simultaneous 50/60Hz Rejection: Ensures stable readings even near AC power lines.
Downloads & Resources

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Our Delivery Methods
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