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One Help I planned to do home automation for my whole home I already know how to do but there are more than 80 Switches in my home how to control all help

closed as unclear what you're asking by Aurora0001, techraf, joan, Dmitry Grigoryev, Steve Robillard Feb 19 '18 at 20:19

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    Your question is unclear. What kind of switches? What have you done? What is not working? – Fabian Feb 16 '18 at 17:06
  • Sir everything is fine but in a single raspberry pi we can only connect 16 relay(GPIO) i need 80 + – JEGAN nath Feb 17 '18 at 18:19
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From your question I can try to deduce the following:

  • You have a large home with ~80 smart switches/lights/things, etc.
  • Based on the fact that you put your question in this forum, you want to control them using a Raspberry Pi.
  • You know about how smart items work, but don't know how to control all of them from a Pi, or where to begin.

For someone in your situation, I would highly recommend looking into an open-source solution called Home Assistant. This open-source app runs on a Pi, and can coordinate the control of a large number of IoT devices from many vendors. Once you get it running and understand the basics, you can then dive deeper and learn to extend it with custom capabilities.

I hope this helps! Good luck in whatever you do.

(PS: I am in no way affiliated with the team/community of people that make the Home Assistant app. I'm just a user of it, and based on your question I think it might fit your needs.)

  • Yes friend But i need more than 16 GPIO ports na ? – JEGAN nath Feb 17 '18 at 18:23
  • So you're saying you want to directly electrically control 80+ relays? If that's the case, you will need a dedicated addressable multiplexer to allow you control so many. I recommend looking into the MCP23017 I/O expander chip. It uses the I2C bus to control up to 16 items, and because you can have up to 8 of them on the bus, you can control up to 128 items from a single Raspberry Pi. I hope this helps! here's a link for info: adafruit.com/product/732 – MrChips Feb 17 '18 at 22:02

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