I'm new to ESP-01S (Black PCB). & going to blink my own LED. I got below questions. According to the schematic GPIO0 & GPIO2 are both occupied. (GPIO2 is connected to a Blue LED & GPIO0 is pulled up). How can I make these 2 pins as general I/O pins? 2.To make the ESP01 into programing mode GPIO0 …

Try clicking on the image I gave. That is the Aliexpress listing I most recently used and the cheapest one I can find at present. :+1: Note that I was actually buying a number of ESP-01S - the listing offers the ESP, the adapter, or both. :sunglasses:

ESP-01S - Beginner

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hzrnbgy September 10, 2021, 1:03am 9

I can confirm the blue one does not require any manual toggling of anything. I have one too for my ESP-01S

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ESP-01S - Beginner

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