Tinycontrol tB4 Expansion Board with 1-Wire and 4x RJ12 for LAN Controller LK3 and LK4

The smart solution for expanding the functionality of control units brings greater flexibility and comfort when working with sensors and peripherals. Thanks to four RJ-12 ports with I2C and 1-Wire support, a wide range of devices can be easily connected, creating an effective monitoring or automation system. A major advantage is the dedicated connector for a 0.96" OLED display, which allows for clear real-time data display without the need for external visualization. Installation is quick and intuitive, saving time and costs during deployment.

Compact design for professional deployment

With compact dimensions of 66 × 36 × 18 mm, the device easily fits into limited spaces of enclosures. DIN rail mounting option makes it an ideal choice for industrial applications and home automation. Full compatibility with controllers LK4, LK3.5+, LK3.9, and LK3.0 ensures seamless integration into existing systems. Additionally, the package includes a practical RJ-12 cable and mounting elements for the OLED display, enabling immediate use without further investments.

Key features

• 4× RJ-12 ports (I2C and 1-Wire)
• Connector for 0.96" OLED display
• Compact dimensions 66 × 36 × 18 mm
• DIN rail mounting
• Compatibility with LK4, LK3.5+, LK3.9, and LK3.0