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RS485 is a standard communication port for field bus. Arduino only has a USB port and a TTL UART interface. In order to talk to a device that has RS485 bus, we can add a RS485 port to Arduino using this handy RS485 shield.
*Use this handy Arduino RS485 shield to add an RS485 port to your Arduino
*Comes fully assembled with shield stacking headers
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Warranty: 3 Months
