HX711 Dual-Channel 24 Bit Precision A/D weight Pressure Sensor

(5 customer reviews)
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In stock


SKU: 16925
  1. Output Sensitivity: 1.0 ± 0.1 mV / V.
  2. Two selectable differential input channels.
  3. On-chip active low noise PGA with the selectable gain of 32, 64 and 128.
  4. On-chip oscillator requiring no external component with optional external crystal.
  5. On-chip power-on-reset.
  6. Measurement Resolution: 24 bit.

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Category: Load / Pressure / Force / Flex Sensor
Tags: Weighing Sensor

The HX711 Dual-Channel 24 Bit Precision A/D weight Pressure Sensor is a Load Cell Amplifier breakout board; for the HX711 IC that allows you to easily read load cells to measure weight. By connecting the module to your microcontroller you will be able to read the changes in the resistance of the load cell; and with some calibration. You’ll be able to get very accurate weight measurements.

This can be handy for creating your own industrial scale, process control, or simple presence detection. The HX711 Weighing Sensor uses a two-wire interface (Clock and Data) for communication. Any microcontroller’s GPIO pins should work and numerous libraries have been written making it easy to read data from the HX711.

Load cells use a four-wire Wheatstone bridge to connect to the HX711. These are commonly colour RED, BLK, WHT, GRN, and YLW.

To know HX711 Datasheet visit attachment.

To get the HX711 module library click here!

Each colour corresponds to the conventional colour coding of load cells :

  1. Red (Excitation+ or VCC).
  2. Black (Excitation- or GND).
  3. White (Amplifier+, Signal+, or Output+).
  4. Green (A-, S-, or O-).
  5. Yellow (Shield).

The YLW pin acts as an optional input that not hook up to the strain gauge; but is utilized to ground and shield against outside EMI (electromagnetic interference). Please keep in mind that some load cells might have variations in colour-coding.


Pinouts :

Analog Side :

  1. E+: Excitation positive.
  2. E-: Excitation negative.
  3. A-: Channel A Negative Input.
  4. A+: Channel A positive Input.
  5. B-: Channel B Negative Input.
  6. B+: Channel B positive Input.

Digital Side :

  1. GND: 0V / Ground Power Connection.
  2. DT: Data IO Connection.
  3. SCK: Serial Clock Input.
  4. VCC: Power Input.

Specifications and Features :

  1. Recommended excitation voltage: 5-10V.
  2. Two selectable differential input channels.
  3. On-chip active low noise PGA with a selectable gain of 32, 64 and 128.
  4. On-chip power supply regulator for load-cell and ADC analogue power supply.
  5. Selectable 10SPS or 80SPS output data rate.
  6. On-chip oscillator requiring no external component with optional external crystal.
  7. On-chip power-on-reset.
  8. Simple digital control and serial interface: pin-driven controls, no programming needed.
  9. Simultaneous 50 and 60Hz supply rejection.

Package Includes :

1 x Weighing Sensor Dual-Channel 24 Bit Precision A/D weight Pressure Sensor with HX711 module.

Operating voltage (v)

5 ~ 10

Current consumption

normal operation < 1.5mA

Operating Temperature (°C)

-40 ~ +85

Length (mm):

34.3

Width (mm):

20

Height (mm):

3

Weight (g):

5

Shipping Weight 0.01 kg
Shipping Dimensions 10 × 8 × 6 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.


What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 5 reviews

4.6 overall
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  1. A Biradar

    Best product

    A Biradar

  2. Divyani Tiwari

    Good product

    Divyani Tiwari

  3. acickif (verified owner)

    good

    acickif

  4. ROHIT SAMDANI (verified owner)

    Even though this was not available at the time I ordered, robu.in followed up with me and made it available. Rare to see such good customer service. Keep it up.

    ROHIT SAMDANI

  5. AdityaPrakash (verified owner)

    Very powerful ADC. Was delivered in good condition and was delivered faster than any other store. Thanks robu.in !

    AdityaPrakash

HX711 Datasheet

HX711 Arduino Library

HX711 and Load Sensor Hookup Guide

HX711 Example Source Codes for Arduino

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Country Of Origin: China

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