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The SmartElex Load Cell Amplifier - HX711 by SmartElex is a value-for-money smartelex flexforce sensors designed for everyday users. It features Model No. / Name: HX711 and Voltage Rating (V): 2.7 to 5.
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About This Product
The SmartElex Load Cell Amplifier - HX711 by SmartElex is a value-for-money smartelex flexforce sensors designed for everyday users. It delivers reliable performance at an accessible price.
Key Specifications
- Model No. / Name: HX711
- Voltage Rating (V): 2.7 to 5 — works with standard household power
- AC Current(A): < 1.5
- PCB Size ( L x W ) mm: 30.48 x 22.86
- Data Transfer Rate: 10SPS or 80SPS
- Shipping Weight: 0.003 kg
- Shipping Dimensions: 5 × 5 × 2 cm
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[vc_row][vc_column][vc_column_text]The SmartElex Load Cell Amplifier is a small breakout board for the HX711 IC that allows you to easily read load cells to measure weight. By connecting the amplifier to your microcontroller you will be able to read the changes in the resistance of the load cell, and with some calibration you’ll be able to get very accurate weight measurements. This can be handy for creating your own industrial scale, process control or simple presence detection. This version of the SmartElex Load Cell Amplifier features a few changes that you specifically asked for! We have separated the analog and digital supply, as well as added a 3.3uH inductor and a 0.1uF filter capacitor for digital supply. Need even more? Checkout the SparkFun Qwiic Scale. It has all the features of the HX711 but with additional library support, a true I2C interface, and no soldering required! The HX711 uses a two-wire interface (Clock and Data) for communication. Any microcontroller’s GPIO pins should work, and numerous libraries have been written, making it easy to read data from the HX711. Load cells use a four-wire Wheatstone bridge configuration to connect to the HX711. These are commonly colored RED, BLK, WHT, GRN and YLW. Each color corresponds to the conventional color coding of load cells:
- Red (Excitation+ or VCC)
- Black (Excitation- or GND)
- White (Amplifier-, Signal- or Output-)
- Green (A+, S+ or O+)
- Yellow (Shield)
The YLW pin acts as an optional input that is not hooked up to the strain gauge but is utilized to ground and shield against outside EMI (electromagnetic interference). Please keep in mind that some load cells might have slight variations in color coding.
Features:
- Operation Voltage: 2.7V--5V
- Operation Current: < 1.5mA
- Selectable 10SPS or 80SPS output data rate
- Simultaneous 50 and 60Hz supply rejection
Package Includes:
1 x SmartElex Load Cell Amplifier - HX711[/vc_column_text][/vc_column][/vc_row]
