8Ch Input/Output Digital Switch TTL LvTTL CMOS RS485 IO Control Module2020
ab 7,83 €
5 Input mode: support 3.3V/5V TTL level input, there are two input modes: low level input (default) and high level input. In output mode: 5V TTL level, low level (default)/high level output. In MODBUS mode, it can support up to 247 devices to be used in parallel.
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