ESP32 startup time and external watchdog

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Joined: Sun Nov 10, 2019 2:35 pm

ESP32 startup time and external watchdog

Postby jimhelios » Mon Feb 10, 2020 5:50 am

Hi, I'm working on a circuit that will use an ESP32-WROOM-32U and I'm thinking that an external watchdog is a good idea. However, I'm aware that the ESP32 starts very slowly, so I was looking at the TSP3823 which has a startup delay of 1.6 seconds after VDD exceeds 1.1V. Is this sufficient? Is there anything else I should be concerned about, such as debugging or OTA updates?


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