Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Chip Model	HX711
Resolution	24-Bit
Input Channels	2 (Channel A and Channel B)
Operating Voltage	2.6V to 5.5V DC
Refresh Rate	10Hz or 80Hz selectable
Interface Type	Serial Interface (CLK, DT)
Dimensions	23mm x 17mm x 8mm
Weight	3.5 grams
Compatible Sensors	Strain Gauge Load Cells
Package Includes	1x HX711 Module, 1x Pin Header

6 reviews

Anonymous

Mar 23, 2026

Rating: 4/5

Good value, small footprint

Compact size fits well into tight enclosures. Signal noise is low when properly grounded. Only giving 4 stars because the included pins were slightly bent, but easily fixed.

Anonymous

Mar 19, 2026

Rating: 5/5

Perfect for DIY Scales

This module works flawlessly with my Arduino project. The 24-bit resolution provides very stable readings for my kitchen scale build. Setup was straightforward using standard libraries.

Anonymous

Mar 14, 2026

Rating: 5/5

Easy to interface

Connected easily to a Raspberry Pi via GPIO. The data sheet is clear, and there are plenty of code examples online. Great addition to any sensor kit.

Anonymous

Mar 14, 2026

Rating: 5/5

Exceeded expectations

Very sensitive and accurate. I was able to detect small weight changes immediately. Shipping was fast and the packaging protected the small components well.

Anonymous

Mar 13, 2026

Rating: 5/5

Reliable precision

We use these in our student workshops for teaching sensor integration. They are robust and handle repeated wiring changes without issues. Highly recommended for education.

Anonymous

Mar 07, 2026

Rating: 4/5

Solid performance

Works as expected for weight measurement in my robot arm gripper. The refresh rate switching is a nice feature to balance speed and precision.

5 FAQ

Q: Is this compatible with 5kg load cells?

A: Absolutely. This module is designed to interface with standard strain gauge load cells of various capacities, including 5kg, provided the wiring configuration matches the channel settings.

Q: How do I switch between 10Hz and 80Hz refresh rates?

A: The refresh rate is selected by the number of clock pulses sent after a data readout. Please refer to the HX711 datasheet section on serial interface timing for specific pulse counts.

Q: Does it come with a library for Python?

A: The hardware itself does not include software, but there are many open-source Python libraries available on GitHub specifically designed for the HX711 chip that work seamlessly.

Q: Can this module work with a 3.3V microcontroller?

A: Yes, the HX711 operates within a voltage range of 2.6V to 5.5V, making it fully compatible with 3.3V systems like many ARM boards and ESP8266 modules.

Q: What is the maximum cable length for the load cell connection?

A: For best signal integrity, keep load cell cables under 1 meter. If longer distances are required, we recommend using shielded cables and ensuring proper grounding to minimize noise.

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