Sensors

All Indian Reprints of Maker Media are printed in Grayscale. Sensors surround us. Theworld is full of them: infrared sensors in motion detectors, carbon monoxidedetectors in homes—even tiny accelerometers, GPS modules, and cameras insideyour smartphone. Thanks to the proliferation of mobile devices, sensors are nowremarkably affordable, meaning you can combine inexpensive sensors andmicrocontroller boards to make your own devices.