Velleman EDU01 User Manual
Page 6
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pag. 6
Buzzer
A buzzer produce a signalling sound to alert
for a dangerous situation, timer confirmation,
a button is pressed, ... The pitch of the buzzer
can't be changed because the frequency of
the oscillator is fixed.
(Velleman part# SV3)
Push button
A push button will conduct current
when pushed and interrupt the
current when released.
(Velleman part# D6)
Inside connection
The supplied button
has 4 connections, but
only 2 are used.
2 are interconnected.
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