BLIND-HAMS Archives

For blind ham radio operators

BLIND-HAMS@LISTSERV.ICORS.ORG

Options: Use Forum View

Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
Pat Byrne <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Sun, 18 Feb 2007 16:16:36 -0600
Content-Type:
text/plain
Parts/Attachments:
text/plain (29 lines)
Matt,
If you replaced the speaker with a bell/buzzer or something else that 
made noise when you applied voltage, you'd be there.  The way you are 
set up, the most you might hear is a sound through the speaker when 
you closed the switch and you likely have close to a short circuit 
across the battery.
Pat, K9JAUAt 03:49 PM 2/18/2007, you wrote:
>me mind and i are still curious about electronics and stuff, well what
>person isn't, but its been a while since i even looked at the ham studdy
>stuff as far as the theory and stuff, and i think i know/remember how but
>basically, if i get a little project for myself, even as simple as a
>buzzer that goes off when you flip a switch or whatever, physically i
>would like to make sure i got it right but all i find online are stupid
>pictures that won't help me a darn bit!  anyway if you have say, a 9vdc
>battery, a switch/button, a speaker and a cap(not sure if i'd even need
>the cap), got a few questions.
>if the battery holder was in the circuit wired i'm assuming positive wire
>to positive of speaker, negative connected to negative of switch,  plus of
>switch then hooked to neg of speaker this aint gonna work is it
>what i want to do is when i press or whatever, the switch, the tone to be
>made, or i guess you could say this would be a change to the old bell and
>battery experiment in science class, however its been ages since i did
>that one
>
>I hope this doesn't make me sound really moronic
>
>
>pro is to con as progress is to congress

ATOM RSS1 RSS2