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Triangle in a device GPIO pin

Posted: 08 Jan 2019, 16:24
by sixart
Hi,

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

what means it??

Regards,
Dario

Re: Triangle in a device GPIO pin

Posted: 08 Jan 2019, 17:16
by grovkillen

Re: Triangle in a device GPIO pin

Posted: 10 Jan 2019, 13:21
by sixart
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