Control morethan 60 relays using single Raspberry Pi B+ v1.2 board

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Ranjith_M

Joined Oct 12, 2017
5
These can drive FETs or transistors to swithch relays. Each chip can drive 16.
And up to 8 chips can be used at one time.
MCP23017
https://www.adafruit.com/product/732
https://learn.adafruit.com/mcp230xx-gpio-expander-on-the-raspberry-pi
Google info and you will find lots.

An example of a RasPi stackable board...
http://www.ebay.com.au/itm/MCP23017...385168&hash=item33b921f89a:g:wlIAAOSwLnBXW-K3
Sir i need python program for controlling 60 relays by connecting MCP23017 to RasPi...
can u help me please....??
 
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