Magnetic SwitchDid you leave a window open? Did someone just open the door? Detect things moving even when you're not at home. Add a magnetic switch to your Twine, and you can get a text message or email when a door is open or when the mail has been delivered. Have peace of mind when you're away from home. What else can you do with a magnetic switch? Check out our how tos for more inspiration. Includes a 10' cable to connect the sensor to your Twine.

A black Range Dial with one 3" sharp probe with 450ºF silicone cable

The probe has a needle tip to get you the fastest reading

Be prepared for any data you might need to suck up with Pickup's built-in sensors plus:

Make your crops more productive with a Pickup and cartridges for measuring photosynthetically active radiation (or any visible light frequencies) and soil moisture

For growers and gardeners

designed by Richard The

Designed for smoking and grilling

3V power and ground)

How it works

Twine is the simplest way to get your home and objects texting

Maybe you want to get a tweet when your house is too hot or cold

5 cartridge