Home › Everything You Want to Know About Raspberry Pi GPIO: But Were Afraid to Ask › Raspberry Pi GPIO pin circuit Raspberry Pi GPIO pin circuit Posted on 6 years ago • Updated 6 years —by Terje 1268 Share on FacebookTweet on TwitterGoogle+LinkedInPinterest Share on FacebookTweet on TwitterGoogle+LinkedInPinterest Post navigation Previous PostEverything You Want to Know About Raspberry Pi GPIO: But Were Afraid to Ask