sure everything gets connected.
If you don’t know how to read circuit diagrams,
it's not as hard as it might look. The pins of the
chip are numbered, and lines indicate what is
connected to them. Any hole in a numbered row
on the breadboard will connect with the pin that’s
in that row. V+ indicates a connection the positive
(+) power rail, and the arrow-shaped symbol
indicates a connection to ground, or the negative
(–) rail. The zig-zag symbols indicate resistors;
just make sure to add the corresponding resistor
value to the right pin. The resistors with tiny
arrows pointing at them are the potentiometers,
and the symbols that look like two lines are the
capacitors.
3. TEST YOUR CIRCUIT
Before adding any fruit, you should be sure your
circuit works! Connect your 9V battery to the
battery cap and twist the knobs. You should hear
some great glitchy sounds. If your circuit isn’t
working, go through the diagram pin by pin and
make sure that nothing is touching anything it
shouldn’t, and that everything is plugged in tightly
to the breadboard. You can use your multimeter
to test the ranges you enjoy most, and seek out
some fruits that are in those ranges.
4. APPLY FRUITS!
When you’re ready, remove the potentiometers
and 4.7K resistors and replace them with two
jumper wires, as shown in Figure
M
.
You can now plug them into any fruits you
desire and listen to the sounds they make!
J
K
L
M
87
make.co
M85_082-87_SquishyTech_F1.indd 87M85_082-87_SquishyTech_F1.indd 87 4/10/23 1:13 PM4/10/23 1:13 PM
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