Lambda Wideband Controller WBC

$USD 85.0

$USD 85.0


One/Two channels wideband controller, it combines an accurate, fast response wideband AFR (Air Fuel Ratio) controller with a Bosch LSU4.9 wideband oxygen sensor. The wideband controller works with gasoline, bio diesel, ethanol, methanol, E85, LPG, and CNG. It includes one analog outputs 0-5V for each channel for interfacing with 3rd party devices, CAN bus for interfacing with our aftermarket ECU or Megasquirt family ECUs .


  • One/Two channels wideband controller supports Bosch sensor LSU4.9
  • Sealed enclosure and automotive connector.
  • Accuracy < 0.1 AFR
  • Fast response 50mS
  • Heating in less than 10 second when the sensor is cold.
  • AFR range 10 – 20 AFR
  • Compatible with all fuel types
  • All analog inputs and outputs are 12bits resolution.
  • Factory calibrated, no need for free air calibration.
  • PID heater and pump current control.
  • 1 programmable linear 0-5V analog output for each channel.
  • Power circuit protected with re-settable fuse.
  • CAN bus enabled.
  • Compatible with Megasquirt MS3 Can Bus protocol.
  • Comes with the main 24pins connector and LSU4.9 connector.


WB102 User Manual


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