The microbit has a number of built-in sensors which include an ambient light sensor, a temperature sensor, an accelerometer, and a compass. The microbit can also be used with many external sensors. There is also a cheap and used microbit sensors which can also be found here. The microbit sensor name is Octopus sensors It also has a variety of microbit sensors that allow you to make very impressive stem projects. ELECFREAKS has developed a sensor series called planetx sensors. You can make a lot of challenging science or STEAM projects with planetx sensors. Find your BBC microbit Sensors From ELECFREAKS!