Questions tagged [gpio]
The gpio tag has no usage guidance.
7
questions
1
vote
0
answers
69
views
Node-red running on DietPi show gpio nodes as not available [closed]
So this, running the latest DietPi (DietPi_RPi-ARMv6-Bullseye) on Raspberry Pi zero W and using node-red-node-pi-gpio to talk to hardware.
However after deployment I see this:
RPi.GPIO python library ...
- 111
0
votes
1
answer
73
views
Mongoose OS and button press detection
Under Mongoose OS, I’m trying to write some code to detect that a button was pushed. I wrote the code below, but it thinks the button is always pushed, except when I actually push it. When I push and ...
- 111
1
vote
2
answers
239
views
How to change dell edge gateway 3001 gpio pin to analog
In dell edge gateway how we can change the gpio pin from digital to analog? It has Ubuntu core as OS. It has 8 gpio pins only some of them I want to make digital and some of them analog. I have ...
- 113
3
votes
2
answers
844
views
Can somebody explain why some pins on Olimex ESP32-EVB cannot be used?
I am in need to configure two UART connections from Olimex ESP32-EVB to a scanner and to a card reader.
I was exploring the GPIO pins that could have helped to establish those connections, but ...
- 31
1
vote
0
answers
120
views
Control GPIO of ESP32 using Bluetooth [closed]
I’m using ESP32 to control relays using MQTT ( both over Arduino and MicroPython ).
For special cases, and not for everyday operation, I wish to control a specific GPIO over Bluetooth ( a reset irq)....
- 731
7
votes
3
answers
7k
views
Sonoff Dual - Where to find GPIOs
I'm looking for the GPIO's I can use in SonOff Dual ( after flashing my own software ).
In SonOff Basic - there are GPIOs to acess LED, Relay, and what is most needed for me - GPIO14 for external ...
- 731
1
vote
1
answer
118
views
Polling multiple GPIOs
I am trying to pull a few bytes per second from a microchip board attached to a temperature sensor and a photodiode, using Windows 10 IoT on a Dragonboard 410c. It seems like there's either ...
- 69