Qwiic Scale, NAU7802 module for tensometric beam, SparkFun SEN-15242

The module is based on a NAU7802 system enabling the reading of data from a strain-gauge beam. By connecting the model to the microcontroller, you can read the change in resistance of the beam with a small calibration, it is possible to make accurate measurements of weight. The board was equipped with clamp connectors and Qwiic connectors. It communicates using the I2C interface. Works with a voltage of 3.3 V.

Specification:

• Supply voltage: 3.3 V (NAU7802: from 2.7 V to 5.5 V)
• ADC converter: dual-channel, 24-bit
• PGA of the profit
• Built-in temperature sensor
• The simultaneous rejection of 50 Hz and 60 Hz
• Programmable PGA profit: from 1 to 128
• Programmable range of ADC output data
• Range of external voltage of the different reference from 0.1 V to 5 V
• Low energy consumption and programmable power management settings: up to 1 uA at rest
• 2x Qwiic connector
  

Useful links:
Website of manufacturer
Manual

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