Timeline for How to interface a (7.5 V AC) doorbell and an Arduino?
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Jan 12, 2013 at 20:31 | vote | accept | urig | ||
| Jan 12, 2013 at 11:03 | comment | added | PeterJ | That relay would work fine, for mechanical relays they all switch AC or DC the only reason for the different ratings is to do with peak voltage that won't apply in your case. That one has a 12V coil voltage though, if you have that available anyway go for it otherwise you can also find relays that have a 5V coil voltage, although you'll still likely need the transistor to supply enough current. | |
| Jan 12, 2013 at 10:36 | comment | added | urig | Thanks for the answer! So relays either support AC or DC loads but not both? I have this available right now - canton-electronics.com/…. Am i right to assume I need something else? | |
| Jan 11, 2013 at 23:11 | comment | added | Gustavo Litovsky | At his voltage, pretty much any relay would work, as long as the current isn't an issue. He first has to figure out what current is needed. | |
| Jan 11, 2013 at 22:31 | history | edited | Hair_of_the_Dog | CC BY-SA 3.0 |
added 138 characters in body
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| Jan 11, 2013 at 22:25 | history | answered | Hair_of_the_Dog | CC BY-SA 3.0 |