Home › Everything You Want to Know About Raspberry Pi GPIO: But Were Afraid to Ask › Raspberry Pi 3 40 pin io connector Raspberry Pi 3 40 pin io connector Posted on 5 years ago • Updated 5 years —by Terje 235 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