Hi Christian,

he original BOSCH sensor arrived today and works fine. thank you for your help.

best regards
Jürgen

Christian,

i have my sensor from *bay the name is : OEM-0258017025-Oxygen-Sensor-Lambda-5-Wire-17025-LSU-4-9-For-Bosch-Denso
it's a replica from China.
I checked the connections several times

I will get an original Bosch sensor and then contact me .

best regards,
juergen

hi Christian,

I loaded the sketch from Github.
The serial monitor now shows:

Device reset.
Device ready.
Reading calibration data.
UA_Optimal (λ = 1.00): 303 (λ = 0.99)
UR_Optimal: 174
Heating sensor.

The sensor gets very hot, but even after 10 minutes the display does not change.

Hi Christian,
thanks for the quick response.
I connected a 12v 5A power supply to the lambda shield.
the output from the arduino serial monitor is: Status: 1,10495,452,867,782

best regards

Hello,

I have a Bosch LSU 4.9 with 5 wire connection. Unfortunately, it does not work on the Lambda Shield, the heater Led does not stop blinking. Is it possible to use it or does it have to be a LSU 4.9 with 6 wire connection?

Thank you!