measuring vibrational frequency

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ScienceGuy1
Posts: 1
Joined: Sun Jan 22, 2012 4:27 pm
Occupation: student
Project Question: If an A/D converter has a sampling rate of 240 samples per second, what is the maximum frequency that can be reliably detected?
Project Due Date: 1/25/11
Project Status: I am conducting my experiment

measuring vibrational frequency

Post by ScienceGuy1 »

Hello , I am currently trying to perform the procedure for this experiment: Measuring Vibrational Frequency with Light
https://www.sciencebuddies.org/science- ... p015.shtml

I am very short on time and can't get the first part done. I am not sure how to create the circuit, so if anyone can explain that in detail with the exact places on the solderless breadbord to put the coverter/ resistor and everything else on how to make the circuit please reply quick. I DON'T HAVE MUCH TIME!!!!!! :(
LewisWhaley
Former Expert
Posts: 181
Joined: Wed Aug 31, 2005 2:47 pm
Occupation: Retired - Information Technology Software Development and Systems Support since 1969.
Project Question: n/a
Project Due Date: n/a
Project Status: Not applicable

Re: measuring vibrational frequency

Post by LewisWhaley »

Hello ScienceGuy1.

The following drawing should help you to assemble the Vibration Frequency Detector Circuit on a small breadboard.


DI-145 Chip
--------------
| |
| O |
| |
--------------
| | |
| | |
1 2 3
GND vDD OUT
1 2 3
1 2 33333333333333333333333333333333333333333333333333333333333333333333 OUT
111 2 111111111111111111111111111111111111111111111111 -GND
2 1
2 222 1
2 1
+ vDD Small Breadboard 1
--+--------------------- 1
00000 00000 00000 00000
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + 5 Volts
111111111111111111111111111111111111111111111111111111111 vDD +
00000 00000 00000 00000 1 + |====================|
00000 00000 00000 00000 1 + +++++++++++O| 1.5 Volt Battery AAA |++++
00000 00000 00000 00000 1 |====================| +
00000 00000 00000 00000 1 -----------------| |O+++
00000 00000 00000 00000 1 |====================|

====================== 1 -
1 -
1 -
00000 00000 00000 00000 1 -
00000 00000 00000 00000 1 -
00000 00000 00000 00000 1 -
00000 00000 00000 00000 1 -
00000 00000 00000 00000 1 -
- 1 -
----------------------------------------------------------------- 1 GND -
-
-
00000 00000 00000 00000 -
----------------------------------------------------------------------------------------------------------- - 5 Volts
----------------------------


Please let us know if this has helped you with your project.

Good Luck! :D
Best Regards,

Lewis Whaley
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Science Buddies
LewisWhaley
Former Expert
Posts: 181
Joined: Wed Aug 31, 2005 2:47 pm
Occupation: Retired - Information Technology Software Development and Systems Support since 1969.
Project Question: n/a
Project Due Date: n/a
Project Status: Not applicable

Re: measuring vibrational frequency

Post by LewisWhaley »

Hello again ScienceGuy1.

I appologize for the drawing not turning out correctly.

I Have had this problem before.

I try to draw pictures using the old school Mainframe style of drawing very limited pictures.

Anyhow, if I can help you just Post the specific question and I will try and get you the answers,


Good Luck with your project!
Best Regards,

Lewis Whaley
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Science Buddies
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