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M5Stack U191 ByteSwitch Unit

M5Stack U191 ByteSwitch Unit is an 8-channel toggle switch input unit equipped with eight toggle switches and nine WS2812C RGB LEDs. The M5Stack U191 ByteSwitch Unit uses the STM32 as the main controller and supports I2C communication. The board includes two Port A I2C interfaces and supports cascading multiple ByteSwitch Units to meet the needs of complex systems. U191 ByteSwitch Unit can detect toggle switch inputs and provide dynamic light status feedback. The device suits smart home control, gaming entertainment devices, educational development platforms, industrial status displays, and interactive exhibitions.

Features

  • Eight toggle switch inputs
  • Nine WS2812C RGB LEDs
  • STM32 main controller
  • I2C communication interface at 0x46
  • Two Grove interfaces (I2C bus cascading expansion)
  • Development platform
    • UIFlow 1.0
    • UIFlow 2.0
    • Arduino IDE

Applications

  • Smart home control panels
  • Gaming or entertainment device controllers
  • Education and laboratory development platforms
  • Status control and feedback devices
  • Portable device debugging tools
  • Interactive exhibitions or scene controls
  • User interface for small instruments

Specifications

  • 5VDC standby power consumption at 9.03mA
  • 0°C to +40°C operating temperature range
  • 88.0mm x 24mm x 19.6mm size

Kit Contents

  • 1x Unit ByteSwitch
  • 1x HY2.0-4P cable (20cm)
  • 1x set of tags

Videos

Dimensions

Mechanical Drawing - M5Stack U191 ByteSwitch Unit

Resources

Published: 2025-01-21 | Updated: 2025-01-28