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The Most Useless Machine EVER!

Step 7Original Parts List

If you wish to build the more complicated, yet cooler dead bug circuit this is the parts list:

Revised Parts List Feb 27, 2010 , including the digikey part numbers.

Servo 900-00005-ND

Battery Holder 4-AA Cells BH24AAW-ND

NE555P Chip 296-1411-5-ND

C1 0.1 uF Capacitor 478-1831-ND

R1 220K resistor CF1/4220KJRCT-ND

R2 27K resistor CF1/427KJRCT-ND

R3 15K resistor CF1/415KJRCT-ND

D1 1N4148 Diode 1N4148FS-ND

DPDT Toggle Switch 450-1533-ND

SPDT Micro-Switch EG4544-ND

Cost: around $25.00
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1 comment
May 13, 2011. 2:38 PMSuziob1 says:
This may be too difficult, but is there a way that you could incorporate a small speaker attached to some device that held a soundbit, that when you flipped the switch, it would play?

(I'm thinking of something like a gruff voice yelling hey!)
May 22, 2011. 8:01 AMrathmiron says:
i'm not really in technical stuff like this, but wouldn't the 'mousetrap' thing be possible by adding a secondary device that would only work if the first was pushed x times in an x amount of time?
May 14, 2011. 10:16 AMSuziob1 says:
So simple! Thanks!

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Author:Frivolous Engineering(FrivolousEngineering.com)
In December 2009 I published The Most Useless Machine Ever. 2011 formed The Frivolous Engineering Company Inc. in order to supply Useless Machines to the masses.