ESP-01S Cheatsheet

Preventing Damage to ESP-01S

To avoid potential damage to your ESP-01S module, it's crucial to exercise caution when dealing with GPIO0. To enter flash mode, GPIO0 must be connected to GND. If your code is configured to drive GPIO0 with a logic HIGH signal and you inadvertently ground it, you run the risk of creating a short circuit. This can lead to a high probability of damaging the ESP8266 chip, making it vital to be attentive and mindful of your GPIO0 configurations to maintain the integrity of your module.


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