How many GPIO's

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DomoticaRob
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Posts: 45
Joined: 17 Jan 2018, 18:43

How many GPIO's

#1 Post by DomoticaRob » 18 Jan 2018, 11:36

I do have a Geekcreit® NodeMcu Lua WIFI Internet Things Development Board Based ESP8266 CP2102 Wireless Module.

Amica_Top.JPG
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I flashed ESP_Easy_mega-20180104_normal_ESP8266_4096.bin to it and it works pretty fine.

But I only have 12 out of 17 GPIO ports.

GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO10
GPIO12
GPIO13
GPIO14
GPIO15
GPIO16

Are ok.

GPIO6
GPIO7
GPIO8
GPIO9
GPIO11

Are not working.

Is that normal? Can I change that?

I want to control a 16 channel relay board.

A figure of the pinout:

esp8266_devkit_horizontal-01.png
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grovkillen
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Re: How many GPIO's

#2 Post by grovkillen » 18 Jan 2018, 12:26

https://www.letscontrolit.com/wiki/index.php/PCF8574
https://www.letscontrolit.com/wiki/index.php/PCA9685
ESP Easy Flasher [flash tool and wifi setup at flash time]
ESP Easy Webdumper [easy screendumping of your units]
ESP Easy Netscan [find units]
Official shop: https://firstbyte.shop/
Sponsor ESP Easy, we need you :idea: :idea: :idea:
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DomoticaRob
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Posts: 45
Joined: 17 Jan 2018, 18:43

Re: How many GPIO's

#3 Post by DomoticaRob » 18 Jan 2018, 13:21

Thanks for the quick response. I'm gonna order them and give it a try.
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