UNIT Scales

SKU:U108

Description

UNIT Scales is a high precision low-cost I2C port weighing sensor, with a total weighing range of 20kgs. Adopt STM32F030 as the controller, HX711 as sampling chip and 20 kgs weighing sensor. With tare button and programable RGB LED. This Unit offers the customer with a highly integrated weighing solution, suitable for the applications of weighing, item counting, item movement Checking and so on.

Product 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)

Included

  • 1x Scales Unit
  • 1x HY2.0-4P Cable (20cm)

Application

  • Smart scales
  • Kitchen scale
  • Item counting device

Specifications

Spec Parameters
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 )

EasyLoader

download EasyLoader

1.EasyLoader is a concise and fast program writer, which has a built-in case program related to the product. It can be burned to the main control by simple steps to perform a series of function verification.

2.After downloading the software, double-click to run the application, connect the M5 device to the computer through the data cable, select the port parameters, click "Burn" to start burning. (For M5StickC/M5StickC PLUS burning, please Set the baud rate to 750000 or 115200)

PinMap

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

Schematic

Size

Example

Arduino

After using ATOM to power on with Demo, you need to press the button to return to zero, otherwise the measurement is inaccurate.

UIFlow example