zł8.91
Load Cell Amplifier - a module for a pressure sensor with an ADC HX711 converter
ID: 562514
zł54.88
Tax included
zł44.62 tax excl.
A module with a 24-bit ADC converter HX711, which allows you to read data from strain gauges and scales. It communicates via the serial interface. SparkFun SEN-13879
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Description
A module with a 24-bit ADC converter HX711, which allows you to read data from strain gauges and scales. It has a built-in programmable low-noise amplifier with optional gain of 32, 64 and 128. The HX711 chip integrates the power circuit, built-in clock oscillator and other peripheral circuits with fast response and noise immunity.
The load cells use a Wheatstone four-wire bridge configuration to connect to the HX711. These are RED, BLK, WHT, GRN and YLW colors, each of which corresponds to an encoding:
- Red - excitation + or VCC
- Black - excitation- or GND
- White - amplifier, signal or output
- Green - A +, S + or O +
- Yellow - screen
The YLW pin acts as an optional input that is not connected to a strain gauge, but is used for grounding and shielding against external electromagnetic interference (EMI).
The module communicates via the serial interface and is supplied with the voltage from 2.7 V to 5 V. Full documentation with examples of use is available on the product page.
Features
- 24-bit ADC converter
- Programmable gain: 32 dB for channel B, 64 dB or 128 dB for channel A
- 10 SPS or 80 SPS output data baud rate
- Supply voltage: 2.7 V to 5 V
- Current consumption: 1.5 mA
- Dimensions: 23 x 31 mm
562514
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