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Mini Weight Unit (HX711) Load Cell Amplifier
WEIGHT integrates a HX711 24 bits A/D chip that is specifically designed for an electronic weighing device.
N.B. Pressure Sensor not included.
Overview:
WEIGHT integrates a HX711 24 bits A/D chip that is specifically designed for an electronic weighing device.
The input multiplexer selects either Channel A or B differential input to the low-noise programmable gain amplifier (PGA). Channel "A" can be programmed with a gain of 128 or 64, corresponding to a full-scale differential input voltage of ±20mV or ±40mV respectively. When a 5V supply is connected to AVDD analog power supply pin.
Channel B has a fixed gain of 32. There is no programming needed for the internal registers. All controls to the HX711 are through the pins.
In the test, we have this Unit channel A to connect a pressure sensor. Then, use M5Core screen to display the weight data.
Features:
• High precision 24bit ADC
• PGA of 32, 64 and 128
• 10SPS output data rate
• Program Platform: Arduino, UIFlow(Blockly, Python)
Applications:
• Micro weight meter
• Kitchen Scale
Resources:
• Detailed description and specification
Tutorials:
• M5Stack Smart Supermarket
• Arduino example
• UIFlow example
Package includes:
• 1 x WEIGHT Unit
• 1 x Grove Cable
Specific References
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WEIGHT integrates a HX711 24 bits A/D chip that is specifically designed for an electronic weighing device.
N.B. Pressure Sensor not included.