From rough idea to a real, buildable plan.

Plinth turns an engineering project idea into a sourced bill of materials with live DigiKey pricing, a week-by-week schedule, and a shareable project page. Real parts. Real prices. Real plan.

bom · line-following robot
PartSupplier / #QtyUnitLineStock
Arduino Nano EverydigikeyABX000281$13.50$13.50In Stock
DRV8833 Dual Motor Driverdigikey2183-21301$4.95$4.95In Stock
QTR-8RC Reflectance Arraydigikey2183-9611$18.95$18.95Low Stock
Pololu Micro Gearmotor 30:1digikey2183-30462$16.95$33.90In Stock
4× AA Battery Holder + Chassisother1$8.50$8.50In Stock
Total$0.00

Parts sourced & priced from

DigiKey
Arduino
Pololu
Adafruit
SparkFun

Try it — no signup

Type an idea, watch a real BOM appear

EveryEveryBOMBOMisissourcedsourcedfromfromaaliveliveDigiKeyDigiKeylookup.lookup.RealRealparts.parts.RealRealprices.prices.RealRealplan.plan.

Sample output · FIG. 01

What a generated project looks like

bom · line-following robot
PartSupplier / #QtyUnitLineStock
Arduino Nano EverydigikeyABX000281$13.50$13.50In Stock
DRV8833 Dual Motor Driverdigikey2183-21301$4.95$4.95In Stock
QTR-8RC Reflectance Arraydigikey2183-9611$18.95$18.95Low Stock
Pololu Micro Gearmotor 30:1digikey2183-30462$16.95$33.90In Stock
4× AA Battery Holder + Chassisother1$8.50$8.50In Stock
Total$0.00

Example projects

generated plan
budget
schedule
bom

What you get

Everything, free for students

One idea in. Three deliverables out. No tiers, no credit card — just a plan you can build.

Sourced BOM

Every project ships with a real, costed parts list.

$0/ always
  • Real DigiKey part numbers
  • Live pricing & stock status
  • Budget tracking & overrun flags
  • One-click .xlsx export
core

Build schedule

A week-by-week plan sequenced for how you actually build.

$0/ always
  • 12–16 week timeline
  • Long-lead orders front-loaded
  • Skills introduced before needed
  • Built-in debug & integration week

Shareable page

A portfolio-ready page you can hand to anyone.

$0/ always
  • Clean public project URL
  • Resume- and team-ready
  • Clubs, profs & competition matches
  • Full version history

I had an idea and a $80 budget. Plinth handed me a real parts list I could actually order.

Mechanical Eng · senior design

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