Unit Pbhub v1.1
Description
Unit Pbhub v1.1 is an I2C-controlled 6-channel PORT.B expander. Each Port B interface can achieve GPIO, PWM, Servo control, ADC sampling, RGB light control, and more. It is internally controlled by an STM32F030 microcontroller.
Features
- 6 x GPIO HY2.0-4P PORTB expansion
- 1 x I2C input
- Internally controlled by STM32F030
- 2 x LEGO-compatible holes
Includes
- 1 x Unit Pbhub v1.1
- 1 x HY2.0-4P Grove cable (20cm)
Specifications
| Specification | Parameter |
|---|---|
| MCU | STM32F030F4P6 |
| Communication Protocol | I2C:0x61 (can be modified by writing to registers) |
| Product Size | 48.0 x 24.0 x 10.8mm |
| Product Weight | 7.2g |
| Package Size | 138.0 x 93.0 x 11.8mm |
| Gross Weight | 12.5g |
Schematics
1/1
PinMap
Unit Pbhub v1.1
| HY2.0-4P | Black | Red | Yellow | White |
|---|---|---|---|---|
| PORT.A | GND | 5V | SDA | SCL |
Model Size
Softwares
Arduino
- Unit Pbhub v1.1 Analog Read Example
- Unit Pbhub v1.1 Digital R/W Example
- Unit Pbhub v1.1 PWM Example
- Unit Pbhub v1.1 RGB LED Example
- Unit Pbhub v1.1 Servo Example
UiFlow1
Internal Firmware
| Firmware Version | Update | Protocol |
|---|---|---|
| v1 | First Release Version | Unit Pbhub v1.1 I2C Protocol v1 |
| v2 | 1.Support SK6812 2.Add I2C IAP upgrade function | Unit Pbhub v1.1 I2C Protocol v2 |
M5 DAPLink
If you don't have the STM32 downloader tool, you can refer to the M5 DAPLink tutorial and use the Core2 or CoreS3 as a programmer to complete the firmware update for the device.
Protocol
