Triangle in a device GPIO pin

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sixart
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Joined: 08 Jan 2019, 16:20

Triangle in a device GPIO pin

#1 Post by sixart » 08 Jan 2019, 16:24

Hi,

I see the triangle in GPIO pin sensor, for exemple "GPIO-0 (D3) triangle".

what means it??

Regards,
Dario

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grovkillen
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Re: Triangle in a device GPIO pin

#2 Post by grovkillen » 08 Jan 2019, 17:16

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sixart
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Re: Triangle in a device GPIO pin

#3 Post by sixart » 10 Jan 2019, 13:21

I have a problem with a "nodemcuv3 lolin".
I have 6 PIR with 2 wire, and each of this have 1 wire connected at GND of nodemcu and 1 wire connected at GPIO. In the normal state the contact of PIR is closed and I receive 0 (GND)
This PIR are connected in D1 D2 D5 D6 D7 and at D3 and configurated in ESP_Easy with internal pull up.

It work if I connect line D3 after boot, otherwise I have problem.

Are there best pratics to use D3 in this way??

Regards,
Dario

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