Dual NE555 Beeper

Annoy factor: 7/10
Modularity: 6/10
Abstraction: 3/10
This guide is not a follow the lines exactly guide, but a use what parts you have, but there are a few things you need to follow and have
LETS START!

Step 1 Get your parts together

Gather the parts
Breadboard (Soderless or preforated, either one will work)
NE555 (or any other 555 timer bult the same as the NE555 eg. KA555)
large capacitor of some sort (from 100 uF to 1000 uF)
Small ceramic capacitors (Multiple would be best for better freq range)
Variable Resistor(
Speaker (Im using a peizoelectric which are CHEAP at RadioShack)
Resistors (Currently using a Red Blk Orng, Brn Blk Orng, and orng blk red,)
and a 9V battery (once again any battery type from 4.5 to 14V will work but 9V are easyest to come by

Comments

[suckafish]

I've noticed that your schematics do not show what is needed on your voltage control pin(pin 5)....

[aldude999]

It was a long time ago, but I'm pretty sure I didn't need to use pin 5. I'll look into it though, thanks!