Turn ur tessel into a camera (nothing new yo)

JS driver for the APDS-9960 gesture sensor

Take a picture when motion is detected, using a PIR sensor and Tessel + Camera Module

PulseSensor in Node for Tessel

Motion Activated Camera

How to collect and publish temperature and humidity data in realtime using the Tessel Climate module.

Walk in the room and the light turns on. Walk out and after a delay it turns off.

Node library for PIR sensor

A JavaScript driver for the TCS34725 RGB sensor

Building an alarm system with Tessel.io and VoxSMS API (in under 5 minutes)

Uses Tessel + Twilio to send a text notification when something is hot enough.