The blinds use a light dependent resistor to open during the day and close at night, but a $1 thermal sensor can close them during the day if it’s particularly hot.

Instructables user FreedomToCreate has made an Arduino powered system that opens and closes the blinds on a schedule, based on room temperature, or outdoor light.

Modern RC cars can be pretty darn fast. That’s fun and all, but it also makes it easy to crash them into things. This problem inspired [Narrow Studios] to whip up something to offer a bit of ...