# I2C Sensor mDot -> TTN

> Our first prototype of a TTN sensor is finally complete. This is a pretty simple Arduino-based temperature sensor purchased on Adafruit. It speaks I2C so its ea

- Type: Community update
- Community: [The Things Network San Francisco Bay Area](https://www.thethingsnetwork.org/community/san-francisco/)
- Author: Elwin Ong
- Published: 2016-08-02
- Web page: https://www.thethingsnetwork.org/community/san-francisco/post/i2c-sensor-mdot-ttn

Our first prototype of a TTN sensor is finally complete. This is a pretty simple Arduino-based temperature sensor purchased on Adafruit. It speaks I2C so its easily connected to our Multitech mDot.
Next up: optimizing power consumption and ruggedizing.
Please reach out if you're interested in collaborating.