HX711 - amplifier for a strainer beam - SparkFun SEN-13879

Index: SPF-04283 EAN: 5903351247351

Operational amplifier is designed to handle strain beams. The system is supplied with the voltage from 2.7 V to 5.0 V, communicates via a two-wire bus: the data line and a clock line.

HX711 - amplifier for a strainer beam - SparkFun SEN-13879
€12.90
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Manufacturer: SparkFun
Compatibility: Arduino

Description

Operational amplifier is designed to handle strain beams. The system is supplied with the voltage from 2.7 V to 5.0 V, communicates via a two-wire system bus: the data line and a clock line.

 

 

Connection

The strain beams are supported through the so-called Wheatstone bridge, i.e. wires connected in the following way:

  • Red (RED)-  positive excitation or VCC (power)
  • Black (BLK)- negative excitation or GND (ground)
  • White (WHT)- positive amplification, a positive signal or a positive output
  • Green (GRN)- the negative amplification, the signal is negative or the output is negative
  • Yellow (YLW)- grounding, optional input enables to reduce electromagnetic interference

 

 

For communication with the microcontroller, e.g. Arduino board, the system uses two lines: CLK and DAT.

 

Pin Description
VCC Supply voltage from 2.7 V to 5.0 V.
DATE Data line of communication bus.
CLK Clock lineof communication bus.
GND The mass of the system.

RED
BLK

WHT

UAH

YLW

Line to connect the strain beam. The description is above the picture.

 

The product is compatible with Arduino

 

Specification

  • Supply voltage: from 2.7 V to 5.0 V
  • Current consumption: 1.5 mA
  • Selectable sampling rates: 10 sps to 80 sps
  • The system does not change the control signal
  • Leads: holes for connectorsgoldpin - 2.54 mm(strip purchased separately)
  • Module dimensions: 31 x 23 mm
 
Package width 5 cm
Package height 0.5 cm
Package depth 8.5 cm
Package weight 0.003 kg

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HX711 - amplifier for a strainer beam - SparkFun SEN-13879

5/5

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10

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