This is an accordion element with a series of buttons that open and close related content panels.

Preferred Vendors (UW Contract Discount)

Shop@UW – UW Preferred vendor online marketplace. (All included vendors are preferred)

Dell Computers – Follow this procedure to purchase computers

Newark – Free Shipping, 1-2 day lead time, ~10% Discount, Waive $20 Freight Charge, Price Matching

Digi-Key – Free Shipping, 1-2 day lead time, ~10% Discount, Use “Share Cart” feature

Grainger – Free Shipping, 1-2 day lead time, ~10% Discount

MSC – Free Shipping, 1-2 day lead time, ~20% Discount

Fastenal – 60% off list price, Free Shipping (next day on most items)

Crescent Electric Supply Co. – Free Shipping

Werner Electric Supply Co. – Free next day Shipping for in-stock items. Must call for a quote.

Axiom – Shelving, bins, industrial supply, etc…

Alternative Vendors (Check Preferred Vendors first)

All purchases from non-preferred vendors (,, etc…) must include justification in the PO. Acceptable justifications are 1) cheaper form non-preferred vendor (must document higher price from preferred vendor) and 2) not available from preferred vendor.

Adafruit – Free Shipping, Orders over $250 receive 10% discount (code: ADAEDU)

Misumi – Free Shipping, 30% discount

Home Depot – Free In-Store Pickup and shipping

Zoro – Free Shipping

Midland Plastics Madison, WI – Free In-Store Pickup

Online Metals – Metal supplier 15% discount (code: DCEDU)

Omega Good place to find configurable sensors

Quantum Devices Local Encoder Manufacturer

Mouser Electronics $7.99 minimum shipping charge

Global Industrial storage bins – 10% discount

McMaster Carr Nice website for searching mechanical components. Fast shipping.

Ruland – Shaft couplers, good prices and shows price online

US Digital – Encoders, good quality, price, selection, and lead time

PCB Vendors

PCB Gerber files must be uploaded prior to submitting a PO. The PO line item must include the board size, layers, and file name plus any additional instructions.
Name Format: yyyy-mm-dd, Vendor, Requestor Name, Board

You must run a DFM Design check prior to submitting your PCB PO.

OSH Park – 2-layer $5/in2 for 3 boards, Free Shipping

Advanced Circuits – 2-layer $33 per board up to 60 in2, No min order, Shipping $20

Elecrow 2-layer 5x5cm 5 boards for $9.50

Bittele Electronics Inc. PCB Fabrication and population. Checks part footprints for conflicts.


Jet Technologies Located in Milwaukee

3D Printed Parts

UW – ME Department 3D Printing Service Good prices, staffed by students

3D Systems Online quoting tool. Must send me the quote and part file.

Midwest Prototyping Local pick-up available.

UW Purchasing Contracts

14-5750 – Electrical supply items (Electromechanical, Enclosures, Thermal Management, Wire and Cable, Passive Components, Power Products, Semiconductors and Tools)

13-5806 – Test & Measurement Equipment