Description
Reviews
| 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 |
| Sampling Rate | 10Hz or 80Hz selectable |
| Interface Type | Serial Interface (CLK, DT) |
| Compatible Microcontrollers | Arduino, STM32, ESP8266, Raspberry Pi |
| Board Dimensions | 20mm x 16mm x 3mm |
| Weight | 2.5 grams |
| Package Includes | 1x HX711 Module, 1x Pin Header Strip |
Anonymous
Mar 25, 2026
Rating: 4/5
Good starter sensor
Works well for learning about load cells. Documentation online is plentiful. Just ensure your power supply is clean to get the best resolution.
Anonymous
Mar 24, 2026
Rating: 5/5
Reliable and Compact
Small footprint makes it easy to fit into tight enclosures. Communication speed is adequate for most non-industrial applications. Highly recommended for students.
Anonymous
Mar 21, 2026
Rating: 5/5
Excellent noise rejection
I was worried about electrical noise in my setup, but the onboard regulator and filtering do a great job. Readings are consistent even near motors.
Anonymous
Mar 17, 2026
Rating: 5/5
Easy to use for beginners
I had never used a load cell before. Following a few tutorials, I got this working in under an hour. The difference between channel A and B gain settings is useful.
Anonymous
Mar 13, 2026
Rating: 4/5
Great value, stable readings
Very stable output once calibrated. I used it for a kitchen scale prototype. The only minor issue is that the pin headers were not pre-soldered, but that's expected at this price point.
Anonymous
Mar 12, 2026
Rating: 5/5
Perfect for DIY Scale Projects
This module works flawlessly with my Arduino Uno. The 24-bit precision is noticeable when measuring small weights. Setup was straightforward using the standard library.
Q: How many wires does the load cell need to have?
A: The HX711 supports both 4-wire and 6-wire load cells. For 6-wire cells, the sense wires are typically left unconnected or joined with the excitation wires if not needed.
Q: What is the maximum refresh rate available?
A: The module offers two selectable sampling rates: 10Hz for higher precision or 80Hz for faster updates. This is usually controlled by the wiring of the RATE pin.
Q: Can this module work with a 3.3V microcontroller like the ESP32?
A: Yes, the HX711 operates within a voltage range of 2.6V to 5.5V, making it fully compatible with 3.3V logic systems like the ESP32 and ESP8266.
Q: Does this come with a load cell included?
A: No, this listing is for the HX711 amplifier module only. You will need to purchase a compatible load cell separately based on your weight capacity requirements.
Q: Is there a library available for Python/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.
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