Is it possible to have this sent directly from sweden to norway? Hi Knut, The Lambda Shield is produced and shipped directly from Sweden. I can send it to Norway usually within 1-2 days. It will be shipped with PostNord and they state 3-4 days delivery to Norway. Looking forward to receiving your o...

Hi Juergen,

Let me know if the new original sensor solved the problem.

Thank you.

Jürgen, The calibration data looks good. Everything there is as expected. Normally the sensors heats in 30 seconds. Try not to leave it longer than 60 seconds if it does not stop flashing the heating LED. The threshold for when it stops heating and goes in to regulating mode is when the temperature ...

Hi Jürgen, Somehow we are reading the wrong calibration information. This is usually caused by a low USB Voltage powering both the Arduino and the shields lambda controller. But we will try to sort out if that is the case or not. It seems you are running the firmware for the GUI-Example code. Could ...

paatohjul wrote:Where can I buy your shield?

Hi Knut, just go to our store and click on "Add to cart".

To get started we have made a short video that you can watch on YouTube.

Thank you.

Hi Jürgen, In fact, it is only the connector that has 6 pins. The sensor itself is only connected with 5 leads. The reason for this is that under a cover on the connector is a laser calibrated resistor that gives the shield its calibration data. This uses the missing pin. See the technical manual fo...

Hi Knut, Sounds like an interesting project! Sorry to disappoint you, but the Lambda Shield uses the Bosch CJ125 controller circuit. The only sensor it supports is the Bosch LSU 4.9. The easy answer is that you should order the sensor that we recommend in the technical specification of the shield. B...

Is there a analog output (0 - 5v) on this shield? I want to connect it to our dyno software as it can read analog voltates between 0 and 5 volts. Hi again Stevo, as a matter of fact the Bosch CJ125 itself has a 0-5V output, more or less. You can access it from the Analog 0 pin of the Arduino / Shie...

Stevo wrote:Thank you for the reply! As i found strange values, i ordered a new (real Bosch) sensor and now values are ok!
The other sensor was a replica i gues (also new) but quality was bad... So problem is solved!

Great to hear you got it all up and running with the proper sensor!

I'm meassuring on a 2-stoke scooter racing engine. What should be the right values if the sensor is in open air? At the moment i get 1,8 lambda +- When meassuring in exhaust i meassure 1,4 +- so it should be a bit lean. When i give more fuel it gives me 1,5 +- so what is going wrong? Hi Stevo, When...