D213 Opto Isolator Module - ILD213T Optoisolator

D213 Opto Isolator Module - ILD213T Optoisolator.Do not connect digital systems (such as a 5V microcontroller) to a high voltage or noisy system. It comes with two channels that can help you connect it. This opto-isolator electrically isolates a controller from the high power system using an IC. The IC has two LEDs and two photodiodes built-in. This allows the low voltage side to control the high voltage side. This card will isolate the systems and create a kind of electrical noise barrier between devices. You can use this board to allow a microcontroller to control servos or other motors that use higher voltage than TTL logic (3.3V or 5V) micro, and may cause electromagnetic interference in your system as the motors turn on and off.