Hi! I've made my own board based on shield 2 schematic. Everything is working fine(no errors, lambda is heating etc..) but reading from UA is very unstable. This is log from serial board: Measuring, CJ125: 0x28ff, UA_ADC: 910, UR_ADC: 173, UB_ADC: 241, Lambda: -, AFR: 148.75, VB: 12.96 Measuring, CJ...