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Stemedu 5PCS HX711 Load Cell Amplifier A/D 24 Bits Precision Breakout Board Dual-Channel Weighing Sensors Converter Modules for Arduino for Raspberry Pi

Brand: Stemedu

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Stemedu 5PCS HX711 Load Cell Amplifier A/D 24 Bits Precision Breakout Board Dual-Channel Weighing Sensors Converter Modules for Arduino for Raspberry Pi

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PRODUCT FEATURES

🚩 This HX711 amplifier module use 24 high precision A/D converter chip hx711, dual-Channel 24 Bit Precision A/D Module
🚩 HX711 load cell AD module is a specially designed for the high precision electronic scale designwith two analog input channel to internal integration of 128 times the programmable gain amplifier
🚩 The input multiplexer selects either Channel A Or B differential input to the low-noise programmable gain amplifier (PGA)
🚩 Applications: This weighing sensor amplifier module can use to be weight scales, kitchen scale, industrial process control and so on.
🚩 What you will get: 5pcs HX711 amplifier module for load cell.

Product Specifications

Product Dimensions: 1.38 x 0.79 x 0.2 inches
Item Weight: 0.493 ounces
ASIN: B07MTYT95R
Item model number: Stemedu-ST0728X5
Customer Reviews: 4.0 out of 5 stars 84Reviews
Is Discontinued By Manufacturer: No
Date First Available: January 15, 2019
Brand: Stemedu
Number of Channels: 2
Operating Temperature: 85 Degrees Celsius
Supply Current: 1.5 Milliamps

Product Information

Product description

Description of HX711 Ad Module Load Cell Amplifier Green PCB

This module uses 24 high precision A/D converter chip hx711.
It is a specially designed for the high precision electronic scale designwith two analog input channelthe internal integration of 128 times the programmable gain amplifier.
The input circuit can be configured to provide a bridge type pressure bridge (such as pressureweighing sensor mode) is of high precisionlow cost is an ideal sampling front-end module.

Package included

5 x HX711 24BIT Precision ADC Module

Features:

Two selectable differential input channels
On-chip active low noise PGA with selectable gain of 3264 and 128
On-chip power supply regulator for load-cell and ADC analog power supply
On-chip oscillator requiring no external component with optional external crystal
On-chip power-on-reset
Simple digital control and serial interface: pin-driven controlsno programming needed
Simultaneous 50 and 60Hz supply rejection
Current consumption including on-chip analog power supply regulator: normal operation < 1.5mApower down < 1uA
Operation supply voltage range: 2.6 ~ 5.5V
Operating Temperature Range:-20 degree ~ +85 degree

Documents and tutorials

https(:)//github(DOT)com/aguegu/ardulibs/tree/master/hx711
https(:)//cdn.sparkfun(DOT)com/datasheets/Sensors/ForceFlex/hx711_english.pdf
https(:)//www.youtube(DOT)com/watch?v=nGUpzwEa4vg
tutorial with raspberry pi https(:)//tutorials-raspberrypi(DOT)com/digital-raspberry-pi-scale-weight-sensor-hx711/

HX711 24BIT Precision ADC Module comes with pins

This size of HX711 24BIT Precision ADC Module is 35mm*20mm*5mm

Pressure sensor wiring diagram

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

Connecting with Arduino and Load Cell

Using a Single Load Cell with Arduino

Connect RED wire of load cell to E+ of hx711 module.
Connect BLACK wire of load cell to E- of hx711 module.
Connect WITHE wire of load cell to A- of hx711 module.
Connect GREEN wire of load cell to A+ of hx711 module.
Connect GND of hx711 module to board GND, and VCC to board 5V pin.
Connect DT and SCK of hx711 module to any digital IO pins of board.

There are some using tips from our customers:

#1 If your trying to connect a strain gauge directly to it, it won't work, it needs to be in a wheatstone bridge config.
#2 The chip sleeps after 60 micro seconds so if you plan on using something like a raspberry pi you should use a signal. Signal type of command to disable interrupts. Arduino or ESP32 will be a better / easier choice.
#3 It calculates the change in resistance for the wires connecting the wheatstone bridge too, so if you moving anything around the readings will keep changing.


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