Yes we are reading free air but it should it read 10-20? But it shows 148 on the OLED with Data logger GUI front end program. Will it read 10-20 if its installed in the exhaust pipe? ( 4 stroke combustion engine) We now tried the data logger/single band gauge program( Dyno racing from your video) it...

using lamda shield 2 GUI code the numbers on the OLED screen don't make sense to us showing 148 AFR when they should show 20 or less ??? using lamda 2 example code data logger/single band gauge with RC circuit 220uf capacitor and 1.5k resistor the gauge just shows 12.3 to 12.5 then flashes to 10.0 a...

Im also have trouble code of low power with the X7 jumper installed . If removed we don't get light or anything on the Shield. Can you help us wire this.