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Step 11
Et voila- here's a suggested layout.The "PICAXEd" sound module looks right at home amongst the colourful parts! Make a simple neat lable showing the I/Os & supply positions of course.
N.B. The dummy cell,shown here as a shorting screw for effect,can be more elegantly made using a nail inserted inside a suitable piece of bamboo. As the PICAXE itself only draws a few mA (at supplies ~3V- 5½V), the batteries may last months under easy loads. N.B. A benefit of retaining 4 x AA cells is that weary ones at hand, even with voltages too low for normal use, can be still put to use in the kit. For skinflint school budgets cost savings may be quite appealing! EXTRA: Refer to the ground connection enhancement, a few steps on, that now allows pin 0 to be also used !
N.B. The dummy cell,shown here as a shorting screw for effect,can be more elegantly made using a nail inserted inside a suitable piece of bamboo. As the PICAXE itself only draws a few mA (at supplies ~3V- 5½V), the batteries may last months under easy loads. N.B. A benefit of retaining 4 x AA cells is that weary ones at hand, even with voltages too low for normal use, can be still put to use in the kit. For skinflint school budgets cost savings may be quite appealing! EXTRA: Refer to the ground connection enhancement, a few steps on, that now allows pin 0 to be also used !
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