Sep 17, 2005 #1 breneer Member level 2 Joined Sep 6, 2004 Messages 51 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Activity points 404 Relay booster **broken link removed** This is 12V relay booster can I still used it on 5V relay. Is there a components need to be changed here? THANK YOU
Relay booster **broken link removed** This is 12V relay booster can I still used it on 5V relay. Is there a components need to be changed here? THANK YOU
Sep 17, 2005 #2 flatulent Advanced Member level 6 Joined Jul 19, 2002 Messages 4,624 Helped 489 Reputation 980 Reaction score 151 Trophy points 1,343 Location Middle Earth Activity points 46,689 Re: Relay booster This circuit should work on 5 V relays if you put 5 V power where it now says 12 V.
Re: Relay booster This circuit should work on 5 V relays if you put 5 V power where it now says 12 V.
Sep 17, 2005 #3 I IanP Advanced Member level 7 Joined Oct 5, 2004 Messages 7,929 Helped 2,311 Reputation 4,624 Reaction score 531 Trophy points 1,393 Location West Coast Activity points 66,416 Re: Relay booster While selecting a 5V relay pay attention to the coil resistance. As a switch this transistor, the 2N3904 that is, can carry about 100mA, so the coil resistance should be >50Ω .. otherwise, use 2N2222, BD135 or similar .. Regards, IanP
Re: Relay booster While selecting a 5V relay pay attention to the coil resistance. As a switch this transistor, the 2N3904 that is, can carry about 100mA, so the coil resistance should be >50Ω .. otherwise, use 2N2222, BD135 or similar .. Regards, IanP