Programming Raspberry Pi as Master using Python
Now start programming the Raspberry Pi and Arduino UNO with the Master and Slave code. This finishes all the necessary circuit connections between all components. To potentiometer centre pin for contrast control of LCD To connect the MAX485 TTL to RS-485 Converter Module to Arduino UNO the following UART pins of UNO is used (0,1).Ĭircuit Connection between one RS-485 and Raspberry Pi 3 B+ (Master):Ĭircuit Connection between one RS-485 and Arduino UNO (Slave):Ĭircuit Connection between a 16x2 LCD and Arduino UNO: To connect the MAX485 TTL to RS-485 Converted Module to Raspberry Pi the following UART pins of Pi is used (GPIO14, GPIO15).Ĭonnecting RS-485 Module with Arduino UNO It allows serial communication over long distance of 1200 metersĬonnecting RS-485 Module with Raspberry Pi 3 B+.A low power consumption for the RS485 communication.MAX-485 TTL to RS-485 converter module has following features:
Linux serial communication protocol driver driver#
Inverting Receiver Input Inverting Driver Output Non-inverting Receiver Input Non-Inverting Driver Output Pin-Out & Features of MAX-485 TTL to RS-485 converter module MAX485 TTL to RS485 Converter Module (2).