Timeline for Connecting a Raspberry Pi to a 220V switch
Current License: CC BY-SA 3.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 31, 2015 at 6:21 | vote | accept | Paul | ||
| Dec 30, 2015 at 15:55 | answer | added | Andy aka | timeline score: 1 | |
| Dec 30, 2015 at 15:53 | answer | added | Whiskeyjack | timeline score: 3 | |
| Dec 30, 2015 at 15:18 | comment | added | Spehro 'speff' Pefhany | Marla's proposed solution is a good one- you could also use a 5V charger (don't use a dodgy one, for safety) with a voltage divider on the output such as 2K + 3K. There may be some delay of a second or so for the output to show up as a valid logic level. | |
| Dec 30, 2015 at 15:13 | comment | added | Marla | By "mains", I meant your 220v electrical utility connection. 3.3v isolated from "mains". Make sure that the power supply is a Switching Power Supply (almost all are). An internal transformer provides isolation from the electrical utility. Like this : amazon.com/SMAKN%C2%AE-Switching-Supply-Adapter-100-240/dp/… | |
| Dec 30, 2015 at 15:03 | comment | added | Paul |
Could you please elaborate this: Make sure the power supply has isolation from mains?
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| Dec 30, 2015 at 14:48 | comment | added | Marla | Easiest and quickest way : Purchase a 220 volt to 3.3v power supply. Costs about US$4. Development time zero. Make sure the power supply has isolation from mains. | |
| Dec 30, 2015 at 14:40 | history | asked | Paul | CC BY-SA 3.0 |