The Atmel Embedded Debugger (EDBG) it’s a chip that implements a composite USB device. Consisting of three interfaces:
System on Chip is an evolution of embedded systems, where in a single package and substrate are hosted all the parts necessary to create a fully functional computer. The package contains a microprocessor, the various types of memory, interfaces for communication and peripheral management, converters and so on. With a SoC is possible to build a very cost effective computer that runs an operating system like Linux and connects to the usual set of I/O peripherals (mouse, keyboard, monitor… ).
Something that changes one form of energy into another, Sensors or actuators can be called tranducers. Transducers are device that can perform an input (Sensors) or an output (Actuators) function. For example a force sensor converts the physical change into an electrical signal, an actuator transforms an electrical signal into a physical change like movement or sound. Another example of transducers are the microphone that converts sound waves into electrical signal, or a loudspeaker that converts this electrical signal back into sound waves.
A datatype that stores values which are likely to change as your program runs. A variable’s type depends on the type of information you want to store, and the maximum size of the information; for example, a byte can store up to 256 different values, but an int can store up t 65,536 different values. Variables can be local to a particular block of code, or global to an entire program. (see Global variable, Local variable).
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