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HX711 24-bit Load Cell Amplifier I2C Qwiic - Soldered
ID: 1208235
zł28.81
Tax included
zł23.42 tax excl.
Load cell amplifier module with a 24-bit HX711 ADC and an ATtiny404 microcontroller providing measurement data over I2C/Qwiic. It supports Wheatstone bridge load cells, two differential input channels, and selectable I2C addresses from 0x30 to 0x37. The supply voltage range is 2.6–5.5V. Soldered 333006
Description
The device Load-Cell Amplifier HX711 With Qwiic by Soldered uses a 24-bit HX711 ADC to measure low-level differential signals generated by load cells and other Wheatstone bridge-based sensors. The IC amplifies the measurement signal and converts it into digital data, allowing the board to be used in electronic scales, force measurement systems, and automation applications employing strain gauges.
The Qwiic version includes an ATtiny404 microcontroller that reads data from the HX711 and provides it to the host microcontroller through the I2C bus. A Qwiic connection eliminates the need for direct handling of the HX711 DAT and SCK lines. The default I2C address is 0x30, while onboard address switches provide eight selectable addresses from 0x30 to 0x37.
The load cell connections are provided through the E+, E-, A+, A-, B+, and B- pins. Channel A and Channel B provide differential signal inputs. HX711 documentation specifies programmable gain settings of 32, 64, or 128, depending on the selected channel and operating configuration.
The module operates from a 2.6–5.5V supply and typically consumes less than 1.5mA during operation. Board dimensions are 38 × 22mm. The 3.2mm mounting holes are designed for M3 screws.
Features
- Measurement
- ADC: HX711
- ADC resolution: 24-bit
- Number of differential input channels: 2
- HX711 programmable gain: 32, 64, or 128
- Designed for load cells and Wheatstone bridge-based sensors
- Communication
- Onboard microcontroller: ATtiny404
- Qwiic version interface: I2C
- Default I2C address: 0x30
- Selectable I2C addresses: 0x30–0x37
- Qwiic connector
- Sensor connections
- E+: positive bridge excitation
- E-: negative bridge excitation
- A+ and A-: Channel A differential inputs
- B+ and B-: Channel B differential inputs
- Power supply and mechanical parameters
- Supply voltage: 2.6–5.5V
- Typical operating current: <1.5mA
- Sleep mode current: <1µA
- Operating temperature range: -40 to 85°C
- Dimensions: 38 × 22mm
- Header pin hole diameter: 1.5mm
- Mounting hole diameter: 3.2mm
- Mounting holes designed for M3 screws
1208235
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