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YINGHUA

YINGHUA HX711 24-bit ADC Module TL431 Dual-channel Load Cell

SKU CH-459W-NGE8S

A dual-channel load-cell interface with a 24-bit ADC and on-board TL431 reference

  • 24-bit resolution for precise weight measurement using HX711 ADC
  • On-board TL431 reference voltage improves signal stability
  • Dual-channel design allows two load cells simultaneously
  • New condition ensures reliable performance from first use

HX711 24-bit ADC module with TL431 reference

This module provides a 24-bit analogue-to-digital converter built around the HX711 chip. It includes an on-board TL431 external reference voltage source for stable measurements. The dual-channel design suits load-cell and strain-gauge applications. It is aimed at engineers and hobbyists building precision weighing or force-sensing circuits.

Dual-channel input and external voltage reference

The two independent input channels allow simultaneous connection of separate sensors. The integrated TL431 reference removes the need for an external precision voltage source. These features simplify board layout and reduce component count in sensor interfaces. Users needing single-channel operation or an internal reference only will find the extra circuitry unnecessary.

Highlights

  • 24-bit resolution for precise weight measurement using HX711 ADC
  • On-board TL431 reference voltage improves signal stability
  • Dual-channel design allows two load cells simultaneously
  • New condition ensures reliable performance from first use

Specifications

No published specifications for this item yet.

Questions about this item

Will the on-board TL431 reference voltage need periodic recalibration?

The TL431 reference is a fixed precision shunt regulator; it does not require scheduled recalibration under normal operating conditions.

Which limit appears first during continuous dual-channel sampling — conversion rate or thermal drift?

The HX711 conversion rate is the primary constraint; thermal drift from the TL431 is negligible at typical load-cell excitation currents.

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