User Manual

Turn on the slide switch (S1); the display on the LED-MC
(U29) shows “00”. Press the A button on the selector (S8)
once to make the display show “01”, then press the B
button on the selector to start.
Every few seconds one or more of the following will
happen, randomly changing: the red LED (D1) lights, the
yellow LED (D10) lights, the programmable fan (M8)
spins and displays a phrase, the speaker plays a tune,
and the U29 LED display pattern changes.
!
WARNING: Moving parts. Do not
touch the fan during operation.
Use the preceding circuit. Turn on the slide switch (S1);
the display on the LED-MC (U29) shows “00”. Press the
A button on the selector (S8) two or three times to
increase the ones digit on the display. When the display
shows “02” or “03”, press the B button on the selector to
start.
The circuit works the same, except that it changes faster
(“03” is faster than “02”).
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Project 134
Word Fan Arcade Show
Project 135
Fast Word Fan
Arcade Show
Alternate connections
for speaker
(a little louder):