The family of 3D Image Sensor chips from Infineon Technologies, designed in cooperation with pmdtechnologies for implementation of touchless gesture recognition, combine a 3D image sensing pixel ...

Take a Si1120 Ir-LED sensor and seven infrared LEDs. Add in one ultra-low power C8051F930 MCU. Mix thouroughly. The result is Silicon Labs' $199 Si1120 Evaluation Kit. It could also be your next ...