Items referring to physical wiring. For question to the wiringPi library use the tag wiringPi.
The title applies to and is used for questions about physical wiring. For software questions to the wiringPi library use the tag wiringpi.
Questions tagged [wiring]
136 questions
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how to wire up a 12V solenoid valve without alligator clips
I have got a very beginner question.
I am building an irrigation system and so I need to use a 12V solenoid valve.
My question is as follows:
Given the following valve and in particular the contacts (at the bottom):
I have connected it to my relay…
Edge7
- 123
- 4
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Is this the correct way to connect this set of components (gardening application)
The project is one where I want to monitor and log
Soil pH
Soil moisture
Room Temp
Room Humidity
Shown in the diagram are:
Capacitive soil moisture detector 3.3-5.5V
link
ADC1115 to convert soil moisture sensor data
link
DHT11 Temp/Humidity…
Saeven
- 141
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Need wiring help to use a Raspberry 4B with a Mac, Octoprint and Longer LK5 3d printer
I know where to apply the 5 volts for power. So far it appears that a cable is supposed to connect the 3D printers USB port to one of the Raspberry Pi 4B USB ports.
An SD card plugs into the Pi 4B but is one also needed in the printer SD port as in…
user157666
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What "wiring" pin numbers on Pi Zero pinout diagram mean
On the below diagram I understand what position (on the board), GPIO (abstract Pi GPIO numbers) and BCM (SoC pin numbers) pin numbers mean, but what's the meaning of the "wiring"?
axk
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Need help powering a raspberry pi thermostat using 24v power from the unit. I have it working plugged in usb
I have a raspberry pi thermostat that is plugged in through USB. Dealing with this voltage I don't want to "try and see what happens". My current setup is the Pi is powering the relay module through VCC on the module. What I want to do is remove the…
Jonathan Kaufman
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