Questions tagged [switches]

Use this in reference to hardware devices which are used to connect networked devices together. Switches are distinct from hubs because they direct traffic only to the intended port instead of just replicating all traffic on all ports. They are used to reduce network contention.

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I have a float switch, can I read GPIO and see if it's opened or closed?

It's something like this. It gives either High or Low when only when it is closing the circuit. Reading already closed circuit does not seem to work. If I connect to ground it always give LOW no ...
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379 views

Light an LED in parallel with trigger switch

I have an old vintage camera that I gutted and put a raspberry pi into, similar to this project. I want to light an LED housed in the old flash housing when I hold down the button, as well as running ...
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Control 12V motor from 3.3V GPIO with external 12V Power Supply

I have a 12V motor, which I need to control from my Raspberry Pi (through the RaspiRobot Board). However, the RaspiRobot Board gives me only 3.3V for the motor. At the same time, I have a 12V adapter ...
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I have been working with a pi 3 b+ and a PWR.A53.B power and driver board

I have been working with a pi 3 b+ and a PWR.A53.B power and driver board . Sadly the switch on the power board was damaged and fell of . I couldn’t put the switch together as I lost the small pieces ....
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raspberry multiple magnetix switches

I have a Pi 2 and I would like to monitor the state of 3 magnetic switches. All of them are in close distance, no more than 3m of cabling for each one of them. How can I connect them to monitor their ...
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How to monitor the available bandwith without impacting an already running stream?

I have a RTP stream called 'X1' running from a Pi to a Linux PC. At the same time I want to create more streams, for example X2, X3 e.t.c... Depending on the available bandwidth, I would like to ...
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614 views

Raspberry Pi - Press for on / Press for off switch

I've begun tinkering with using electronics and am also new to using Python. I was wondering if someone could help me please? What I'm trying to achieve is to use an on/off switch to run a motor - ...
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272 views

Xiaomi MiKey in 3.5mm port

I have bought a Xiaomi MiKey which enables me to trigger events with my mobile phone. It is a 3.5mm jack with a button, you can configure the button to do whatever you want with an app or you can ...
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Can I use I2C to connect multiple Arduinos with Wireless Connection

I am very new to stackoverflow and new to using raspberry pi and am in the process of learning how to use it properly. I am currently working with a partner on a project that requires a wireless ...
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157 views

Traditional Light Switch Triggered by RPi?

Does anyone know of a light switch which can be controlled using the RPi and also manually. Assuming that the RPi sends a signal thru a relay which connects to the light switch. The switch will turn ...
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660 views

Physical on off switch to digital

I have a raspberry pi 2 model b and I am trying to build a digital on of switch, which means that I would like to get rid of this physical one ( Currently it controls a police type flashing light) ...