10pcs HX711 24‑Bit ADC Load Cell Amplifier Module, Dual Channel, High‑Gain A/D Converter

Product Overview HX711 Load Cell Amplifier Module (Standard / Mini Version) with 24‑bit high‑resolution ADC. Designed for weight and pressure sensors, integrates programmable gain amplifier for precise measurement. Ideal for electronic scales, Arduino, and embedded sensing applications. 1. Product Parameters Module Type: Load Cell ADC Amplifier Core IC: HX711 ADC Resolution: 24‑bit Input Channels: 2 differential channels (A/B) Gain Options: 128 / 64 / 32 Input Signal Type: Bridge sensor (load cell, pressure sensor) Supply Voltage: DC 2.6–5.5 V Operating Current: <1.5 mA (normal) Data Rate: 10 SPS / 80 SPS selectable Interface: Digital serial (2‑wire) Operating Temperature: −40°C to +85°C Module Size: Approx. 24 mm × 21 mm (mini version) 2. Pin Function Description VCC: DC power input positive GND: Power ground DT / DOUT: Serial data output SCK / CLK: Serial clock input E+: Excitation positive for load cell E−: Excitation negative for load cell A+: Channel A signal positive A−: Channel A signal negative 3. Common Questions & Answers (FAQ) Q1: What sensors are compatible with this module? A1: It is designed for bridge‑type load cells and pressure sensors. Q2: Can it be used with Arduino? A2: Yes, it is widely used with Arduino and other microcontrollers. Q3: What is the difference between standard and mini versions? A3: Function is the same; the mini version has a smaller PCB size. Q4: Does it require an external amplifier? A4: No, the HX711 includes a built‑in programmable gain amplifier. Q5: Is calibration required? A5: Yes, calibration is required in software for accurate weight readings.

• 【24‑Bit High Resolution ADC Core】 HX711 load cell amplifier module; 24‑bit high‑resolution ADC with low noise design; dedicated for bridge‑type weight and pressure sensors; captures small signal changes accurately; suitable for precise weight measurement and force sensing in embedded projects
• 【Integrated Programmable Gain Amplifier】 Built‑in PGA with selectable gain 128, 64, or 32; dual differential input channels A and B; optimized for full bridge load cells; reduces external analog circuitry; simplifies schematic design while maintaining stable and repeatable readings
• 【Low Power And Stable Sampling】 Supply voltage range 2.6 V to 5.5 V; typical operating current below 1.5 mA; selectable output data rates of 10 SPS or 80 SPS; supports low power designs while offering flexible speed options for different measurement needs
• 【Simple Digital Interface Wiring】 Two‑wire digital interface using DT and SCK pins; easy connection to microcontrollers without SPI or I2C hardware; includes excitation pins E plus and E minus for direct sensor power; reduces wiring complexity during prototyping
• 【Compact Form Factor And MCU Support】 Mini PCB size about 24 mm by 21 mm; fits space‑limited designs and breadboards; compatible with for Arduino and other controllers through software libraries; supports software calibration for accurate results across different load cells