Adafruit HX711 24-bit ADC for Load Cells / Strain Gauges

Name: Adafruit HX711 24-bit ADC for Load Cells / Strain Gauges
Brand: Adafruit
SKU: 5974

Adafruit HX711 24-bit ADC for Load Cells / Strain Gauges — Adafruit — 5974

Availability

In stock

HX711 breakout for reading Wheatstone-bridge load cells and strain gauges via a 24-bit differential ADC. Uses a pseudo-SPI clock/data interface; screw terminals accept 4-wire bridge inputs; output rate selectable 10 or 80 SPS.

Logical pinout · physical placement not verified

VINlogic/power header
Type · Power
VIOlogic/power header
Type · Power
GNDlogic/power header
Type · Ground
DATAlogic header
Type · GPIO
SCKlogic header
Type · SPI
RATElogic header
Type · GPIO
A+terminal block channel A positive
Type · Analog
A-terminal block channel A negative
Type · Analog
B+terminal block channel B positive
Type · Analog
B-terminal block channel B negative
Type · Analog
E+terminal block excitation positive
Type · Power
E-terminal block excitation negative
Type · Ground
RATE switchright side of board
Type · Control

Pin	Position	Type
VIN	logic/power header	Power
VIO	logic/power header	Power
GND	logic/power header	Ground
DATA	logic header	GPIO
SCK	logic header	SPI
RATE	logic header	GPIO
A+	terminal block channel A positive	Analog
A-	terminal block channel A negative	Analog
B+	terminal block channel B positive	Analog
B-	terminal block channel B negative	Analog
E+	terminal block excitation positive	Power
E-	terminal block excitation negative	Ground
RATE switch	right side of board	Control

Logical pinout · physical placement not verified

Pin details

13 connections

VIN
Power
logic/power header
VIO
Power
logic/power header
GND
Ground
logic/power header
DATA
GPIO
logic header
SCK
SPI
logic header
RATE
GPIO
logic header
A+
Analog
terminal block channel A positive
A-
Analog
terminal block channel A negative
B+
Analog
terminal block channel B positive
B-
Analog
terminal block channel B negative
E+
Power
terminal block excitation positive
E-
Ground
terminal block excitation negative
RATE switch
Control
right side of board

Start wiring

Analog · I2C · 3.3 – 5 V · Bare

Confirm the data interface matches your host board.

Module pins: VIN, VIO, E+, GND, E-, DATA, SCK, A+. Schematik maps them to your board in the app.

Force & weight

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Pinout