Here is a gesture & touch sensor designed to take your IoT projects to the next level. The SEN0285 Gesture & Touch Sensor has an adjustable detection range of 30cm. It can detect 5-way touch signal and 7 kinds of gestures (move left, move right, move forward, move backward, pull up, pull down, pull and remove).
You can use this sensor with an Arduino & Raspberry Pi. It can be used for smart lamps, smart cars, and other projects that require gesture recognition.