The Ecumaster Lambda to CAN controller is a compact, high-performance module designed to interface with a Bosch LSU 4.9 wideband oxygen sensor and transmit Lambda and AFR values over a CAN bus. Built for demanding motorsport environments, it delivers fast and reliable data for advanced engine management systems.
The controller uses a dedicated Bosch integrated circuit combined with an automotive-grade microcontroller to ensure precise sensor control and accurate readings in all conditions.
Key features
• Supports Bosch LSU 4.9 wideband oxygen sensor
• Automotive-grade components for high reliability
• Compact, IP67-rated enclosure
• Configuration via Ecumaster Light Client software
• CAN 2.0A/B communication (supports multiple units on a single bus)
• Operating voltage: 9–16 V
• Peak current draw: up to 3 A (during sensor warm-up)
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