U192 · M5Stack
Unit ByteButton is an 8-channel tactile switch input unit equipped with 8 button inputs and 9 WS2812C RGB LEDs. It uses STM32 as the main controller, supports I2C communication, and comes with two Port A interfaces, allowing multiple Unit ByteButton modules to be cascaded to meet the needs of complex systems. It can achieve button input detection and dynamic light status feedback, making it suitable for smart home control, gaming and entertainment devices, educational development platforms,… (M5Stack U192)
| Part number | U192 |
|---|---|
| Manufacturer | M5Stack |
| Category | User Input & Controls › Buttons & Keypads |
| Pins | 4 |
| Channels | 8 |
Byte Button Unit with 8x Buttons (STM32G031) pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | SCL | input | |
| 2 | SDA | bidirectional | |
| 3 | 5V | power | |
| 4 | GND | ground |
Schematic symbol and footprint
Schematic symbol
Footprint: Grove HY2.0 4-pin through-hole, 2.0 mm pitch — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
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