4-Channel Opto-isolator IC Module Arduino High and Low level Expansion Board
1,01 €
Input: IN1 / IN2 / IN3 / IN4, SCM or Arduino IO port. GND with single-chip microcomputer or Arduino board GND connection. This IC has four LEDs and four photodiodes built-in. Outlet OUT1 / OUT2 / OUT3 / OUT4 output current is equal to the largest HVCC / 5.1K.
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