Transmitter receiver, Opto isolators,opto coupler, Photo transistor Optocoupler - tatanh1983/conchodom GitHub Wiki
SOIC8 SMT Dual Channel 70 V 2500 VrmsPhototransistor Optocoupler https://www.futureelectronics.com/p/semiconductors--optoelectronics--isolation-components-optocouplers/mocd213r2m-onsemi-2531309