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 |
|---|---|
| Communication Protocol | I2C:0x61 (can be modified by writing to registers) |
| Net Weight | 6.7g |
| Gross Weight | 11.8g |
| Product Dimensions | 48 x 24 x 12mm |
| Package Dimensions | 136 x 92 x 12mm |
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 | Note |
|---|---|---|---|
| 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 | / |
Protocol
<img src= https://m5stack-doc.oss-cn-shenzhen.aliyuncs.com/796/PbHub_V2_I2C_Protocol_page_01.png" width="100%">
