M5Stack Scales Unit with 20kg Range (HX711)

The Scales Unit from M5Stack is a high precision low-cost I2C port weighing sensor, with a total weighing range of 20kg. The unit adopts the STM32F030 as the controller and the HX711 as the sampling chip + 20kg weighing sensor. Inlcudes button and programable RGB LED. This Unit offers a highly integrated weighing solution, suitable for the applications of weighing, item counting, item movement, checking and more. Need a smaller-scale unit? Find one here Features

* HX711:

* High precision 24bit ADC

* Programmable gain amplification 32, 64 and 128

* 10SPS output data rate

* I2C port

* Development platform: Arduino, UIFlow(To be supported soon)

Package Contents

* 1x Scales Unit

* 1x HY2.0 4-pin Cable (20cm)

Specifications

MCU STM32F030

ADC HX711

Communication I2C:0x26

LED SK6812(PA7)

Function Button Tare (PA2)

Gross Weight 96g

Net Weight 87g

Package Size 56*40*41mm

Product Size 42*43*58mm

Enclosure Material Plastic ( PC )

Resources

* Product Documentation

* Schematic

* Arduino Example

* Config Scales Unit I2C Address

* Scales Demo

* Datasheet

Pinout

Scales Unit SCL SDA 5V GND

M5Core (PORT A) GPIO22 GPIO21 5V GND

M5Core2 (PORT A) GPIO22 GPIO21 5V GND

M5Atom (PORT A) GPIO32 GPIO26 5V GND

M5StickC Plus (PORT A) GPIO33 GPIO32 5V GND

M5Station (PORT A1,A2) GPIO33 GPIO32 5V GND