Wall Storage: Difference between revisions
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| Temperature sensor | | Temperature sensor | ||
| | | [[File:Lvl shifter mosfet.jpg|thumb|100px|link=Bi-directional level converter 3V3 5V|Bi-directional level converter 3V3 5V]] | ||
| RS232 TTL | | RS232 TTL | ||
| AC DC 220V 5V | | AC DC 220V 5V | ||

