SHOWALL FUN PRANKS HIGH VOLTAGE LAZARUS-64 PHOTOGRAPHY SPY GADGETS VIDEO GAME
Figure 22 - Perforated board is a good choice for making simple prototypes
Figure 22 - Perforated board is a good choice for making simple prototypes

Whenever I need to make a proper circuit board for a simple circuit like this, I just use perforated board since there is very little wiring to be done. This relay driver circuit is so simple that you could actually just solder the leads of the components right to the relay pins and not use any circuit board at all. Figure 22 shows the small 2 inch square piece of bare perforated board and the eight components that will be installed onto it.



Figure 23 - The circuit is made using wires on the underside of the board
Figure 23 - The circuit is made using wires on the underside of the board

To build a simple circuit like this on some plain perforated board, insert the components in a logical position and then complete the circuit by soldering wires on the underside of the board to form traces. Figure 23 shows the underside of my board after completing most of the wiring. This method of prototyping creates a reliable circuit that is very easy to modify later. Of course, this method isn't nearly as nice as a real circuit board, but it is hardly worth waiting two weeks and paying $150 to have one made for such a simple project. The total time it took to build this circuit was measured in minutes.

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