Want an easier way to hook sensors up to an Arduino: check out Seed Studio‘s Grove products. Grove components let builders skip the tedious breadboarding process!
Just plug the Grove Base Shield on top of your Arduino Uno. It’s easy to find a home for any Grove sensor, display or actuator on the shield and make them all work together. The shield has four analog ports and seven digital. It also has one UARTs and four I2Cs.
Seed has a number of compatible sensors, including those for detecting ultrasound, infrared, touch, air quality, and even flames.
The Grove Base Shield can be purchased online for $8.99.