(아직 문서 정리중)

http://captainharok.tistory.com/entry/아두이노전자기초필요한-저항-값은-어떻게-계산-하나

https://blog.naver.com/nkkh159/220509863314

https://kocoafab.cc/tutorial/view/16

잠시 알아보는 중

https://digistump.com/wiki/digispark/tutorials/programming

https://diydrysite.co/diy-ir-receiver/

https://www.instructables.com/id/DIY-USB-IR-receiver/

https://www.instructables.com/id/Arduino-IR-receiver-control-computer/

https://digistump.com/board/index.php?topic=588.0

https://digistump.com/board/index.php?topic=2857.0