Digital Load Cell Weight Sensor HX711 + Disc Kit
= High-Precision Weighing Kit for Arduino Projects =
This kit combines a highaccuracy load cell with an HX711 24bit ADC module, providing a complete solution for building digital scales and force measurement systems with Arduino.
24Bit Precision HX711 ADC with built-in 128x gain amplifier
Complete Kit - Load cell, HX711 module, and hardware included
Operating voltage is 3.3V to 5V - compatible with most boards
Select 10SPS or 80SPS data rate for precision or speed
Do not exceed load cell maximum weight rating
= Technical Specifications =
| Parameter | Value |
|---|
| Load Cell Capacity | 5kg (11lbs) |
| ADC Resolution | 24-bit |
| Gain Options | 128x, 64x, 32x |
| Supply Voltage | 3.3V to 5V |
| Communication | 2-wire (DOUT/SCK) |
| Output Data Rate | 10SPS or 80SPS |
= Key Features =
High Precision 24bit conversion for accurate readings
Complete Solution - Load cell and amplifier included
Dual Voltage Support - 3.3V and 5V compatible
Simple Interface 2wire communication
Auto Calibration - Software support for easy setup
== Applications ==
- Digital bathroom scales
- Kitchen and food scales
- Industrial process monitoring
- Force measurement systems
- IoT weight tracking devices
Widely Used - Standard Arduino weighing solution
Easy Integration - Many libraries available
√ Mounting hardware included
√ Pre-assembled and tested
√ Great for STEM education
= Connection Guide =
Load cell wiring:
- Red: E+ (Excitation positive)
- Black: E- (Excitation negative)
- White: A- (Signal negative)
- Green/Blue: A+ (Signal positive)
HX711 to Arduino:
- VCC: 5V or 3.3V
- GND: Ground
- DT: Digital pin
- SCK: Digital pin
Fix one end of sensor, apply load on the other
Calibrate with known weight for accuracy
Do not apply pressure on white glue-coated part
Protect from moisture and shock
= Calibration Instructions =
For accurate readings:
- Perform tare (zero without load)
- Place known reference weight
- Calculate scale factor in software
Simple Digital Control - Easy calibration process
Memory Function Settings save after poweroff
Used in professional electronic scales
Reliable and repeatable measurements
√ Library examples available
√ Supports multiple load cells
= Troubleshooting =
No readings:
- Check wiring connections
- Verify power supply
- Avoid loose connections
Inconsistent readings:
- Perform calibration
- Check mechanical mounting
- Avoid external vibrations
