Closed jordens closed 3 years ago
Let's go for the slightly higher zener protection diode here. 1SMA5920BT3G, 6.2 V instead of 5.6 V. The ADC has 6.5 V abs max and the CPU side is powered by an independent 3V3 supply.
In light of previous experience.
done
Let's go for the slightly higher zener protection diode here. 1SMA5920BT3G, 6.2 V instead of 5.6 V. The ADC has 6.5 V abs max and the CPU side is powered by an independent 3V3 supply.
In light of previous experience.