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ECE 2799 Electrical and Computer Engineering Design. “Prototyping Techniques” Prof. Bitar. Prototyping Techniques. Solderless Breadboards w/ Jumper Wires (Temporary) Non-Copper Clad “Perf-Boards” w/ Pins and Point-to-Point Wiring, Soldering and/or Wire-Wrapping - PowerPoint PPT Presentation
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ECE 2799 ECE 2799
Electrical and Computer Electrical and Computer Engineering DesignEngineering Design
““Prototyping Techniques”Prototyping Techniques”
Prof. BitarProf. Bitar
Prototyping TechniquesPrototyping Techniques Solderless BreadboardsSolderless Breadboards
w/ Jumper Wires (Temporary)w/ Jumper Wires (Temporary)
Non-Copper Clad “Perf-Boards”Non-Copper Clad “Perf-Boards” w/ Pins and Point-to-Point Wiring, Soldering w/ Pins and Point-to-Point Wiring, Soldering and/or Wire-Wrappingand/or Wire-Wrapping
Prototyping Boards Prototyping Boards (w/ Copper (w/ Copper Patterns)Patterns)
Point-to-Point Wiring, Soldering and/or Wire-Point-to-Point Wiring, Soldering and/or Wire-WrappingWrapping
Custom Printed Circuit BoardsCustom Printed Circuit Boards w/ Copper Traces, Copper Pads and Solderingw/ Copper Traces, Copper Pads and Soldering
Solderless BreadboardsSolderless Breadboardsbyby
3M, RSR Electronics, & Global Specialties3M, RSR Electronics, & Global Specialties
Solderless BreadboardsSolderless Breadboards
Pro’sPro’s ConvenientConvenient QuickQuick Easy to ChangeEasy to Change
Con’sCon’s Not Very PermanentNot Very Permanent Contact Wear OutContact Wear Out IIMAXMAX ≈≈ 100-200mA 100-200mA ffMAX MAX ≈≈ 1-10MHz 1-10MHz Through-Hole Through-Hole
Components Only*Components Only*
* May Use “Surfboards” for SMT * May Use “Surfboards” for SMT DevicesDevices
Solderless BreadboardsSolderless Breadboards
Good TechniqueGood Technique Components laid out in Components laid out in
a logical fashion a logical fashion Leads cut to avoid short Leads cut to avoid short
circuitscircuits Jumpers run either Jumpers run either
horizontally or verticallyhorizontally or vertically Correct length wire Correct length wire
usedused On-board bypass On-board bypass
capacitors across power capacitors across power connections and groundconnections and ground
Bad TechniqueBad Technique Components laid out Components laid out
haphazardlyhaphazardly Component leads Component leads
overstressedoverstressed Leads not cut, risking Leads not cut, risking
short circuitsshort circuits Leads cut too short, Leads cut too short,
not making board not making board contactcontact
Random length Random length jumpers usedjumpers used
Bypass capacitors Bypass capacitors missingmissing
Your boards look like this, Your boards look like this, RIGHT ?RIGHT ?
NON-Copper Clad PERF-orated NON-Copper Clad PERF-orated BoardsBoards
Vector Electronics, Twin Industries, and Keystone ElectronicsVector Electronics, Twin Industries, and Keystone Electronics
FR4 Glass Epoxy PhenolicFR4 Glass Epoxy Phenolic Typical Specifications (in)Typical Specifications (in)
0.062 Board Thickness0.062 Board Thickness 0.042 Hole Diameter0.042 Hole Diameter 0.1 x 0.1 Hole Pattern0.1 x 0.1 Hole Pattern Various Sizes Various Sizes $0.25 / in$0.25 / in22 (based on (based on
10”x10” size board)*10”x10” size board)*
* Increases considerably for copper patterned * Increases considerably for copper patterned boards.boards.
Prototyping Boards w/ Copper Prototyping Boards w/ Copper PatternsPatterns
bybyVector ElectronicsVector Electronics
www.vectorelect.com/Pattern.htm
Prototyping Boards w/ Copper Prototyping Boards w/ Copper PatternsPatterns
bybyVector ElectronicsVector Electronics
www.vectorelect.com/Pattern.htm
Prototyping Boards w/ Copper Prototyping Boards w/ Copper PatternsPatterns
bybyVector ElectronicsVector Electronics
www.vectorelect.com/Pattern.htm
Special Prototyping BoardsSpecial Prototyping Boardsbyby
RadioShack and RSR ElectronicsRadioShack and RSR Electronics
www.radioshack.com/product/index.jsp?productId=2102846
Special Prototyping BoardsSpecial Prototyping Boardsbyby
FuturlecFuturlec
www.futurlec.com/ProtoBoards.shtml
““Surfboards”Surfboards”byby
Capital Advanced TechnologiesCapital Advanced Technologies
www.capitaladvanced.com
DIP Sockets for Soldering DIP Sockets for Soldering byby
Mill-MaxMill-Max
www.mill-max.com
DIP Sockets for Wire-Wrapping DIP Sockets for Wire-Wrapping byby
Mill-MaxMill-Max
www.mill-max.com
SIP and DIP Headers for SIP and DIP Headers for InterconnectionInterconnection
bybyMill-MaxMill-Max
www.mill-max.com
Component Header / Component Component Header / Component CarrierCarrier
bybyMill-MaxMill-Max
www.mill-max.com
Component Header / Component Component Header / Component CarrierCarrier
bybyAires ElectronicsAires Electronics
www.arieselec.com/products/products.htm
Modules & Development Modules & Development BoardsBoards
http://www.sparkfun.com/http://www.sparkfun.com/ http://www.sparkfun.com/categories/20http://www.sparkfun.com/categories/20 http://www.sparkfun.com/products/http://www.sparkfun.com/products/
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