Convertisseur HX711 pour capteur de pesage

44 Dh

Disponibilité : En stock

UGS : Z229 Catégorie :

HX711 uses 24 high-precision A / D converter. This chip is designed for high-precision electronic scale and design, has two analog input channels, programmable gain of 128 integrated amplifier. The input circuit can be configured to provide a bridge voltage electrical bridge (such as pressure, load) sensor model is an ideal high-precision, low-cost sampling front-end module.

Specification of HX711

  • Two selectable differential input channels
  • 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
  • Data Accuracy: 24 bit (24 bit analog-to-digital converter chip)
  • Refresh Frequency: 10/80 Hz
  • Operation supply voltage range: 4.8 ~ 5.5V
  • Operation supply Current: 1.6mA
  • Operation temperature range: -20 ~ +85℃
  • Demension: Approx. 36mm x 21mm x 4mm / 1.42″ x 0.83″ x 0.16″

The four wires coming out from the wheatstone bridge on the load cell are usually :

  • Excitation+ (E+) or VCC is red
  • Excitation- (E-) or ground is black
  • Output+ (O+), Signal+ (S+)+ or Amplifier+ (A+) is white
  • Output- (O-), Signal- (S-)+ or Amplifier- (A-) is green

HX711 to Arduino Uno :

  • VCC to 5V
  • SCK to D5
  • DT TO D6

Load Cell to HX711

  • E+ : RED
  • E- : BLACK
  • A- : WHITE
  • A+ : GREEN


capteur de pesage