KiCad project - 2 x RS232 with RS485 option, 1 x relay, and 1 x opto-coupler
sleepbysleep/portal_shield_for_arduino_due
2 x RS232 with RS485 option, 1 x relay, and 1 x opto-coupler
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2 x RS232 with RS485 option, 1 x relay, and 1 x opto-coupler
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