If you have LEGO Mindstorm or EV3 sensors, motors, or controllers, these RJ12 jacks are compatible connectors to interface accessories to controller boards. Unlike everyday phone jacks, these connectors have the clip on the side, making them ideal for LEGO NXT parts.

The connector supports wiring for providing or consuming 5V power, I2C, or digital/analog data, making them suitable for fun hacking and interfacing with Raspberry Pi or Arduino boards. Each pack contains 10 RJ12 jack connectors only; no breakout board is included.

Features:

• Compatible with EV3/NXT LEGO Mindstorm connectors
• Side clip design for LEGO NXT compatibility
• Supports 5V power and I2C or digital/analog data
• Pack of 10 connectors, mechanical jack only

Check online for wiring diagrams and schematics