An Arduino measures the temperature ... but wonder if leaving the air conditioner unit switch in the ‘on’ position and turning the unit on/off via a relay connected to the 120vac line would ...

This one somehow manages to pull it off. [Outaspaceman ... He connected the Arduino Mega’s LED output to a pair of LittleBits which then switch a servo between two positions.

The Arduino Nano Connector Carrier is a compact add-on board designed for the Arduino Nano boards to allow easy connection to ...