... some practical work!Coming Up NextBuilding our AVR test bed and development system. Putting together the basic tools and equipment we need to get going.Technology in AcTion™Alan Trevennor Practical ... essential to dierentiate between microprocessors (a processor on a chip) and microcontrollers (a potentially complete computer, with processor, memory, and I/O subsystem on a chip).After the ... to get one cheaply from your usual electronics supplier. Many larger DIY stores (e.g., Home Depot in the United States, B&Q in the UK, or your local equivalent) carry suitable products....