{ "id": "te-sparkfun-hx711-sen-13879", "name": "SparkFun Load Cell Amplifier HX711 (SEN-13879)", "subcategory": "bench-instruments", "brand": "SparkFun", "mpn": "SEN-13879", "summary": "24-bit bridge ADC breakout that turns a strain-gauge torque sensor into a digital reading; used on the mjbots dyno.", "maker": { "name": "SparkFun Electronics", "country": "US", "role": "brand" }, "made_in": "unknown", "specs": { "instrument": { "label": "Instrument", "value": "Bridge amplifier (24-bit ADC)" }, "range": { "label": "Range", "value": "1 strain-gauge bridge channel (HX711)" }, "resolution": { "label": "Resolution", "value": "24-bit ADC (HX711)" }, "interface": { "label": "Interface", "value": "2-wire digital (clock/data) to a microcontroller" } }, "price": [ { "qty": 1, "usd": 4.95, "kind": "list", "source": "https://www.sparkfun.com/sparkfun-load-cell-amplifier-hx711.html", "as_of": "2026-10-30" }, { "qty": 10, "usd": 4.7, "kind": "list", "source": "https://www.sparkfun.com/sparkfun-load-cell-amplifier-hx711.html", "as_of": "2026-10-30" }, { "qty": 25, "usd": 4.46, "kind": "list", "source": "https://www.sparkfun.com/sparkfun-load-cell-amplifier-hx711.html", "as_of": "2026-10-30" }, { "qty": 100, "usd": 4.21, "kind": "list", "source": "https://www.sparkfun.com/sparkfun-load-cell-amplifier-hx711.html", "as_of": "2026-10-30" } ], "moq": "unknown", "lead_time": "unknown", "hts": "unknown", "compliance": { "ndaa": "unknown", "blue_uas": "unknown", "fcc": "unknown", "notes": "Price seen USD 4.95 (brief lead said 11.50). HX711 output rate is low (10/80 Hz per chip datasheet, not on page); fine for static torque, too slow for ripple/bandwidth." }, "links": { "product": "https://www.sparkfun.com/sparkfun-load-cell-amplifier-hx711.html", "datasheet": null, "cad": null }, "equivalents": [], "pairs_with": [ "te-raspberry-pi-pico-2", "te-pjrc-teensy-4-1", "te-labjack-t7" ], "maglev": { "custom": "", "directory_ref": null }, "sources": [ { "url": "https://www.sparkfun.com/sparkfun-load-cell-amplifier-hx711.html", "what": "price, stock" }, { "url": "https://blog.mjbots.com/2025/06/03/improved-dynamometer/", "what": "used with AliExpress torque transducer on mjbots dyno" } ], "confidence": "VERIFIED", "stock": { "status": "in_stock", "source": "https://www.sparkfun.com/sparkfun-load-cell-amplifier-hx711.html", "as_of": "2026-10-30" }, "category": "test-equipment", "subcategory_title": "Bench Instruments & Fixtures", "icon": "meter", "image": { "url": "https://parts.trymaglev.com/img/te-sparkfun-hx711-sen-13879.webp", "thumb": "https://parts.trymaglev.com/img/t/te-sparkfun-hx711-sen-13879.webp", "source_image": "https://www.sparkfun.com/media/catalog/product/cache/f3020b7489dcfc4d1d147cf4dad07b7f/1/3/13879-SparkFun_Load_Cell_Amplifier_-_HX711-01.jpg", "source_page": "https://www.sparkfun.com/sparkfun-load-cell-amplifier-hx711.html", "background": "removed (Apple Vision)", "as_of": "2026-10-31" }, "origin": { "code": "US", "basis": "hq" }, "hts_resolved": { "code": null, "typical": true }, "us_duty_by_origin": { "as_of": "2026-10-29", "rates": [ { "origin": "CN", "duty_pct": null, "possible_pct": 0, "usmca": false }, { "origin": "TW", "duty_pct": null, "possible_pct": 0, "usmca": false }, { "origin": "VN", "duty_pct": null, "possible_pct": 0, "usmca": false }, { "origin": "IN", "duty_pct": null, "possible_pct": 0, "usmca": false }, { "origin": "JP", "duty_pct": null, "possible_pct": 0, "usmca": false }, { "origin": "KR", "duty_pct": null, "possible_pct": 0, "usmca": false }, { "origin": "DE", "duty_pct": null, "possible_pct": 0, "usmca": false }, { "origin": "MX", "duty_pct": null, "possible_pct": 0, "usmca": true }, { "origin": "US", "duty_pct": 0, "possible_pct": 0, "usmca": false } ] }, "url": "https://parts.trymaglev.com/p/te-sparkfun-hx711-sen-13879/", "markdown": "https://parts.trymaglev.com/p/te-sparkfun-hx711-sen-13879/index.md", "equivalents_detail": [], "pairs_with_detail": [ { "id": "te-raspberry-pi-pico-2", "name": "Raspberry Pi Pico 2 (RP2350)", "brand": "Raspberry Pi", "mpn": "Pico 2", "category": "test-equipment", "subcategory": "bench-instruments", "summary": "Cheap sampler board; mjbots used it to read torque and current sensors, but found the RP2350 ADC gave about 8 useful bits.", "origin": "GB", "origin_basis": "hq", "price_usd": 6.25, "price_qty": 1, "ndaa": "unknown", "blue_uas": "unknown", "image": "https://parts.trymaglev.com/img/te-raspberry-pi-pico-2.webp", "url": "https://parts.trymaglev.com/p/te-raspberry-pi-pico-2/", "json": "https://parts.trymaglev.com/api/parts/te-raspberry-pi-pico-2.json" }, { "id": "te-pjrc-teensy-4-1", "name": "PJRC Teensy 4.1 (600 MHz Cortex-M7)", "brand": "PJRC", "mpn": "Teensy 4.1", "category": "test-equipment", "subcategory": "bench-instruments", "summary": "Fast microcontroller board for a DIY dyno logger: 18 analog inputs, 3 CAN buses (1 CAN FD) to talk to moteus/ODrive, Ethernet.", "origin": "US", "origin_basis": "hq", "price_usd": 31.5, "price_qty": 1, "ndaa": "unknown", "blue_uas": "unknown", "image": "https://parts.trymaglev.com/img/te-pjrc-teensy-4-1.webp", "url": "https://parts.trymaglev.com/p/te-pjrc-teensy-4-1/", "json": "https://parts.trymaglev.com/api/parts/te-pjrc-teensy-4-1.json" }, { "id": "te-labjack-t7", "name": "LabJack T7 Multifunction DAQ (USB / Ethernet)", "brand": "LabJack", "mpn": "T7", "category": "test-equipment", "subcategory": "bench-instruments", "summary": "16-bit, 14-input DAQ that logs torque-sensor, current-sensor and encoder signals together; easy Python API.", "origin": "US", "origin_basis": "hq", "price_usd": 520, "price_qty": 1, "ndaa": "unknown", "blue_uas": "unknown", "image": "https://parts.trymaglev.com/img/te-labjack-t7.webp", "url": "https://parts.trymaglev.com/p/te-labjack-t7/", "json": "https://parts.trymaglev.com/api/parts/te-labjack-t7.json" } ] }