# SparkFun Load Cell Amplifier HX711 (SEN-13879)

![SparkFun Load Cell Amplifier HX711 (SEN-13879)](https://parts.trymaglev.com/img/te-sparkfun-hx711-sen-13879.webp)

24-bit bridge ADC breakout that turns a strain-gauge torque sensor into a digital reading; used on the mjbots dyno.

- Maglev ID: te-sparkfun-hx711-sen-13879
- Brand: SparkFun
- MPN: SEN-13879
- Category: test-equipment / Bench Instruments & Fixtures
- Origin: US (maker HQ, factory not confirmed)
- Maker: SparkFun Electronics (brand, US)
- NDAA: unknown · Blue UAS: unknown · FCC: unknown
- HTS: unknown (typical)
- MOQ: unknown · Lead time: unknown
- Confidence: VERIFIED

## Price
- 1+: $4.95 (list, 2026-10-30, https://www.sparkfun.com/sparkfun-load-cell-amplifier-hx711.html)
- 10+: $4.70 (list, 2026-10-30, https://www.sparkfun.com/sparkfun-load-cell-amplifier-hx711.html)
- 25+: $4.46 (list, 2026-10-30, https://www.sparkfun.com/sparkfun-load-cell-amplifier-hx711.html)
- 100+: $4.21 (list, 2026-10-30, https://www.sparkfun.com/sparkfun-load-cell-amplifier-hx711.html)

## Specifications
- Instrument: Bridge amplifier (24-bit ADC)
- Range: 1 strain-gauge bridge channel (HX711)
- Resolution: 24-bit ADC (HX711)
- Interface: 2-wire digital (clock/data) to a microcontroller

## Links
- Product: https://www.sparkfun.com/sparkfun-load-cell-amplifier-hx711.html
- Datasheet: none
- CAD: none

## Works with
- Raspberry Pi Pico 2 (RP2350) (te-raspberry-pi-pico-2)
- PJRC Teensy 4.1 (600 MHz Cortex-M7) (te-pjrc-teensy-4-1)
- LabJack T7 Multifunction DAQ (USB / Ethernet) (te-labjack-t7)

## Sources
- https://www.sparkfun.com/sparkfun-load-cell-amplifier-hx711.html (price, stock)
- https://blog.mjbots.com/2025/06/03/improved-dynamometer/ (used with AliExpress torque transducer on mjbots dyno)