HiLetgo 3pcs TLP281 Optocoupler Isolation Board Optical Coupler Isolation Module 4 Channel Optical Coupler Isolation Module High/Low Level Expansion Board auspowers_batchthree without being a bulky

without being a bulky

CFEF 3005LWD

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HiLetgo 3pcs TLP281 Optocoupler Isolation Board Optical Coupler Isolation Module 4 Channel Optical Coupler Isolation Module High/Low Level Expansion Board auspowers_batchthree without being a bulkyHiLetgo 3pcs TLP281 Optocoupler Isolation Board Optical Coupler Isolation Module 4 Channel Optical Coupler Isolation Module High Low Level Expansion Board Descriptions: This board is helpful for connecting digital systems (like a 5V microcontroller) to a high voltage or noisy system. This board electrically isolates a controller from the high power system by use of an opto isolator IC. This IC has four LEDs and four photodiodes built in. This allows