This sketch is supposed to test Dragino RS485-BL (Modbus master), using an Arduino UNO as a Modbus slave. The Dragino will be configured to read data stored in Arduino variables (an array), when ...
This low-power transceiver module uses the Maxim MAX485 IC to enable serial communication over extremely long cable runs (up to 4000 feet / 1200 meters). At a data rate of up to 2.5Mbps, serial data ...
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