Datasheet

This touchable add-on shield for Arduinos will inspire your next
interactive project with 12 capacitive touch sensors. Capacitive touch
sensing works by detecting when a person has touched one of the
sensor electrodes. Capacitive touch sensing used for touch-reactive
tablets and phones, as well as control panels for appliances. This
shield allows you to create electronics that can react to human touch,
with up to 12 individual sensors.
The shield has 12 'figure 8' holes in it that can be gripped onto with
alligator clip cables. Attach one side of the clip to the shield and the
other side to something electrically conductive or full of water then
start up the handy Arduino library to detect when the object is touched.
For advanced users, you can also solder to a pad to make a slimmer &
more permanent connection. Works great with any Arduino as it only
uses the I2C pins (SCL & SDA).

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