HiLetgo 3pcs TLP281 Optocoupler Isolation Board Optical Coupler Isolation Module 4 Channel Optical Coupler Isolation Module High/Low Level Expansion Board auspowers_batchthree Follow the grid lines on

Follow the grid lines on the back to get an even and precise cut

High Compatibility: the holes of the Starlink cable routing kit is 7mm in diameter

such as those used in reptile

FITS MOST DEVICES: Use it to cover Webcams on laptops

HiLetgo 3pcs TLP281 Optocoupler Isolation Board Optical Coupler Isolation Module 4 Channel Optical Coupler Isolation Module High/Low Level Expansion Board auspowers_batchthree Follow the grid lines onHiLetgo 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