P5V0A protection zener - Githubissues

sinara-hw / Thermostat_EEM

Thermostat with 4 TEC and 8 sensor channels in EEM form factor

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P5V0A protection zener #40

Closed jordens closed 3 years ago

jordens commented 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.

gkasprow commented 3 years ago

done