How to Use 5V Relay With Arduino By afzalrehmani in CircuitsArduino1,03621Save PDFFavoriteIntroduction: How to Use 5V Relay With ArduinoBy afzalrehmaniCircuit DIYFollow More by the author: About: This is Electronic Project Forum which aims to help new members to build easy D I Y ( Do It Yourself ) Electronic Projects More About afzalrehmani »Participated in the Electronics Tips & Tricks ChallengeView Contest