Big HX711 Weight Pressure Sensor
KSh 120.00
Only 3 left in stock
The HX711 is a high-precision 24-bit Analog-to-Digital Converter (ADC) specifically designed for weight measurement applications using load cell sensors.1 It’s a popular choice for building electronic scales, force sensors, and other weight-related projects.2
Key Features:
- High Precision: 24-bit resolution for accurate weight measurements.3
- Low Power Consumption: Efficient operation, making it suitable for battery-powered devices.
- Differential Input: Can handle both positive and negative input voltages, accommodating various load cell configurations.4
- Adjustable Gain: Allows for calibration and customization to different load cell sensitivities.5
- Serial Interface: Supports both serial and parallel communication protocols for flexible integration.
- Built-in Excitation: Provides power to the load cell, simplifying the circuit design.
Specifications:
- Supply Voltage: 2.7V to 5.5V
- Input Voltage Range: ±20mV
- Resolution: 24-bit6
- Output Data Rate: Up to 80SPS
- Power Consumption: Typically less than 1mA
- Operating Temperature: -20°C to +85°C
Typical Applications:
- Electronic Scales: Kitchen scales, bathroom scales, industrial scales7
- Force Sensors: Pressure sensors, load cells8
- Robotics: Weight sensing for robotic arms and grippers
- IoT Devices: Smart agriculture, smart homes
How it Works:
- Load Cell Connection: The load cell, a strain gauge-based sensor, converts physical force into a small electrical signal.9
- Signal Amplification: The HX711 amplifies the weak signal from the load cell.10
- Analog-to-Digital Conversion: The amplified analog signal is converted into a digital value by the HX711’s high-precision ADC.11
- Data Output: The digital output can be read by a microcontroller or other digital devices through the serial interface.12
By combining the HX711 with a suitable load cell, you can create precise and reliable weight measurement systems for various applications.
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