HiLetgo 3pcs TLP281 Optocoupler Isolation Board Optical Coupler Isolation Module 4 Channel Optical Coupler Isolation Module High/Low Level Expansion Board auspowers_batchthree Just Open the power

Just Open the power

two adjustable arms make it more convenient to provide you more viewing angles

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

such as those used in reptile

HiLetgo 3pcs TLP281 Optocoupler Isolation Board Optical Coupler Isolation Module 4 Channel Optical Coupler Isolation Module High/Low Level Expansion Board auspowers_batchthree Just Open the powerHiLetgo 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