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Home › Magazines › 2008 › September › Ball & Beam for Elektor USB DAQ Card

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Ball & Beam for Elektor USB DAQ Card

Grind your teeth on PID design and programming

Published in issue 381, September 2008

Ball & Beam for Elektor USB DAQ Card
Like it or not, Ball & Beam is a compulsory item on the Electronics Engineering curriculum, specifically for classes on PID (proportional-integral-derivative) control systems. The idea is to try to balance a ball on a beam using a control loop. If the ball is pushed, the system moves the beam to return the ball to its initial position. So let’s get out our USB DAQ card and a PC to show off!

Components

Relevant websites

Free downloads

Resistors
R2 = 120k
R1,R7,R12 = 1k
R3 = 10
R4,R5 = 47k
R6 = 220k
R8,R9 = 2k7
R10 = 270k
R11 = 1k5
P1 = 5k preset
Capacitors
C1 = 22µF 16V radial
C2 = 100µF 16V radial
C3,C6,C7,C8 = 100nF
C4,C5 = 100nF
Semiconductors
D1 = LED, low current, 3mm
T1 = BC557B
IC1,IC2 = TLC555 or ICM7555 (do not use plain 555)
Miscellaneous
K1,K3,K6 = 10-way boxheader
K2,K5 = 2-way SIL pinheader
K4 = 3-way SIL pinheader
PCB, ref. 080002-1 from www.thepcbshop.com
PCB artwork, free download 
Project software, free download

Click below to download a PDF copy of this article from Elektor magazine.

 

Downloads 
Article PDF
10 Elektor Credits
PCB PDF
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Order this magazine 
Magazine September 2008
UK381 (USD 6.30)
 

Order from Elektor 
Interface PCB, bare
080002-1
 

Free downloads 

Software

Free download

Illustrated mechanical assembly

Free download
Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

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