Jul 20

So where is pin D1?? - ESP8266

Category: Design,electronics   — Published by goeszen on July 20, 2017 at 3:13 pm

Looking at your NodeMCU knock-off board from China or elsewhere, you can find pin D0 and pin D3, but where's pin D1??

Look closely! You've come across one of these odd boards where the printed numbering has two D2 pins! See? You've got D0, then D2, then D2, then D3, D4 ...

D2 twice isn't twice the fun, but merely means that the first pin D2 is D1 of course...

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This post is part of a series of Mini Tutorials on the ESP8266:
Previous post: Recover from PANIC
Next post: Simple button on NodeMCU

I'm tinkering here with a NodeMCU ESP8266 board.
I'm using the ESP8266 Java IDE ESPlorer.
The firmware is version 0.9.6 build 20150704 powered by Lua 5.1.4

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