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Results tagged with gpio
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user 19485
GPIO stands for General Purpose Input Output and can be used to receive and send digital signals to and from simple electronics from the Raspberry Pi.
1
vote
Accepted
Control liquid solenoid valve with raspberry pi and RTK-000-001
Personally, I would just use a Pi-face.
Use one of the two relays for your 12v solenoid valve.
Edit to add: I used the manufacturers general link. They list official retailers and the list is quite …
- 240
0
votes
Accepted
Powering a 24V 1A device
Add a PiFace. http://www.piface.org.uk/products/piface_digital/
It will give you input terminals for your sensors and 2 relays. (and 8 more open collector outputs).
The relays are rated oddly at 20 …
- 240
4
votes
Accepted
Interacting with a RJ11 "phone" / Hardware
There are many solutions to this hardware selection problem.
I would suggest this specific google search term RS232 modem voice DTMF.
Using that search term I saw a number of choices, including …
- 240