Circuit schematic designs have been developed after so many trials and tests only on the breadboard. First they build a circuit schematic on the breadboard, put to operation and closely watch its performance. Optimum result, heating up of the components or melting down of semiconductors or ICs and other sensitive compoenents can only beascertained only thorough testing, observation and modifications. This is what folllowed in R&D laboratories to develop a successful circuit design.
A lot of flexibility in experimenting the circuit designs helps the protobuilders to develop the final stage of the electronics projects. Then only it is transformed into pcb design for permanent building. Thus the commercial circuit designs are developed and becomes a manufactured product. Hence the basic work is assembling on temporary building of designs on breadboard. As no soldering is used, the work becomes easier and quicker besides saving the components. Thus it is economically viable.
Naturally the protobuilders should be well versed in handling the electronics breadboard. They should know the in and out of the board to build a successful circuit design. The R & D laboratories of famous companies spend a sizable amount on building and developing electronics projects on breadboard assembling. So, the personnel working in the laboratories use the breadboard as a versatile tool for their development.
Their motto is always 'know your circuit','know your breadboard' and 'know your assembling'.
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