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โหลดเซลล์ เครื่องชั่ง HX711 Weighing Sensor A/D Module Pressure Sensor Dual-Channel 24 Bit Precision
The module uses 24 high-precision A / D converter chip hx711, is designed for high-precision electronic scale and design, with two analog input channels, the internal programmable gain amplifier integrated multiplier 128. The input circuit can be configured to provide an electrical bridge the bridge voltage (e.g., pressure, weight) sensor mode is an ideal high-precision, low-cost sampling front-end module
Description:
- Two selectable differential input channels
- On-chip active low noise PGA with selectable gain of 32, 64 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 controls, no programming needed
- Selectable 10SPS or 80SPS output data rate
- Simultaneous 50 and 60Hz supply rejection
- Operation supply voltage range: 4.8 ~ 5.5V
- Operation supply Current: 1.6mA
- Operation temperature range: -20 ~ +85
- Dimension: Approx. 35mm x 21mm x 4mm
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