DreamHAT+ (£100 / $135) is a Hardware Attached on Top (HAT) kit that gives Raspberry Pi a 60GHz millimetre-wave radar for you to play with. The full-size HAT packs an Infineon BGT60TR13C chip featuring a single transmitter antenna and three receivers (TX/RX), connecting to Raspberry Pi 4 or 5 via GPIO pins and SPI. Advertisement Movies, music, TV: take control of your media with Raspberry Pi, and never again suffer from intrusive adverts mid-symphony.