Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Chip Model	HX711
Interface Type	24-bit ADC Serial Interface
Operating Voltage	2.6V to 5.5V DC
Compatibility	Arduino, STM32, ESP8266, Raspberry Pi
Input Channels	2 Differential Input Channels (A and B)
Gain Selection	Selectable Gain of 32, 64, or 128
Sampling Rate	10Hz or 80Hz selectable
Package Type	Breakout Board with Pin Headers
Application	Electronic Scales, Pressure Sensors, Force Measurement
Dimensions	20mm x 16mm x 4mm

6 reviews

Anonymous

Mar 31, 2026

Rating: 5/5

Essential for Sensor Labs

Bought this for a university project involving load cells. The 24-bit resolution provides very precise data. Documentation online is plentiful which helped immensely.

Anonymous

Mar 24, 2026

Rating: 5/5

Perfect for DIY Scale Projects

This HX711 module works flawlessly with my Arduino Uno. The wiring was straightforward, and the library support is excellent. I built a small kitchen scale in under an hour.

Anonymous

Mar 18, 2026

Rating: 4/5

Great value, minor soldering needed

The board functions exactly as described. The pin headers were not pre-soldered on my unit, so be prepared to do a little soldering. Otherwise, accurate readings and stable performance.

Anonymous

Mar 09, 2026

Rating: 5/5

Reliable and Robust

We use these modules in our workshop for various prototyping needs. They are durable and handle different load cell types without issues. Highly recommended for makers.

Anonymous

Mar 04, 2026

Rating: 4/5

Good sensitivity

The gain settings allow for great flexibility depending on the load cell used. Just ensure your power supply is stable to avoid noise in the readings.

Anonymous

Mar 01, 2026

Rating: 5/5

Exceeded expectations

Fast shipping and the product quality is top-notch. It integrated seamlessly with my STM32 development board. No calibration issues so far.

5 FAQ

Q: Is there a Python library available for Raspberry Pi?

A: Yes, there are several open-source Python libraries available on GitHub specifically designed to interface the HX711 with Raspberry Pi GPIO pins.

Q: Does it support 3.3V logic levels directly?

A: Yes, the module operates within a voltage range of 2.6V to 5.5V, so it is fully compatible with 3.3V microcontrollers like the ESP8266 and STM32 without level shifters.

Q: Can I connect two load cells to this single module?

A: The HX711 has two differential input channels (Channel A and Channel B). You can connect one load cell to each channel, but they cannot be combined for a single heavier reading without external circuitry.

Q: What is the maximum current consumption of this board?

A: The HX711 chip typically consumes less than 1.5mA during normal operation and drops to microamps in power-down mode, making it suitable for battery-powered projects.

Q: Does this module come with a load cell included?

A: No, this package includes only the HX711 breakout board. Load cells must be purchased separately based on your specific weight range requirements.

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