Unit Scales
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.
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)
Applications
- 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
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
Related Link
- Datasheet - HX711
Example
Arduino
UIFlow
