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    MCP23017 IC with Arduino. This enables to have more digital GPIO on Arduino or any other uc. ######################## Links: MCP23017 Pin Diagram:  https://goo.gl/moQKfh PORTA as Output : https://goo.gl/Q7tJPN Blink PORTA Pins : https://goo.gl/8EnL4U   PORTA as Input : https://goo.gl/sLDZNq Datasheet MCP23017 : https://goo.gl/M3UyJ7 ___________________________________________ Guys Subscribe to my channel for latest contents into your inbox. Support me to keep g ...
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  Serial communication with PC/External Devices using UART pins. I have used Pi4J library with JAVA. ######################## Links: Pi4J Project : http://goo.gl/yKxdoQ Pi4J Library : http://goo.gl/Yfkk2P ___________________________________________ Guys Subscribe to my channel for latest contents into your inbox. Support me to keep going. Subscribe : http://goo.gl/gM134X ____________________________________________ Blog :http://goo.gl/8BTy4z Twitter : http://goo.gl/1UVHjG G ...