tB4 - expansion board with 1-Wire, I2C, OLED

tB4 is a compact expansion board designed for use with LK4, LK3.5+ (including LK3.9), and LK3.0 controllers.
It features four RJ12 ports supporting I2C and 1-Wire buses, along with a dedicated connector for a 0.96” OLED display.

Included in the set:

  • Mounting spacers for the OLED display module,
  • A 6-wire RJ12 cable (20 cm long) for quick and easy connection to the controller.

Detailed instructions for configuring sensors and the display are available in the Lan Controller user manual.

Basic features

  • 1 connector for a 0.96”. OLED display
  • 4 RJ12 ports with I2C and 1-Wire support (LK can be connected to any of them)
  • Dimensions: 66 x 36 x 18 mm
  • DIN rail mounting