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4.
Using Raspberry Pi’s Serial Port
• To login via serial console
• To communicate with other devices like
Arduino
5.
Raspberry Pi’s pins or only 3.3V
compatible.
Don’t connect 5V directly
You will brick your Raspberry Pi
6.
Using Serial port to log into RPi
•
•
•
•
You need a USB-to-serial adapter
If not 3.3V then you need a logic level convertor
Connect Tx of RPi to Tx of adapter and Rx to Rx
Power up RPi and you can login using the serial
console.
• If you don’t have a USB-to-Serial adapter, then
you can use Arduino http://hardwarefun.com/tutorials/using-arduinoas-a-bridge-to-connect-serial-devices-with-pc
7.
Using RPi’s Serial Port to communicate
with devices
• By default this is disabled.
• You need to enable it.
Usehttps://github.com/lurch/rpi-serial-console
• Connect Rx of RPi to Tx of your device (Arduino) and Tx
of RPi to Rx of your device
• Use a simple serial echo program https://github.com/sudar/arduino-roboticsworkshop/tree/master/Serial/two_arduino_serial
• You can use screen in Rpi
• Profit