Illustrative Scenario: Faster Prototype Iterations with Modular HMI and Power

Again, this is an illustrative scenario, not a named customer story and not a claim of measured weeks saved. Imagine a team building a handheld-style controller prototype: they need reliable power, a few buttons, maybe a thumbstick, and an easy path to try different boards.

Week-to-week changes that usually cost a rewire

In a typical iteration, the firmware lead asks for four directional buttons instead of a thumbstick. Later, power moves from a bench supply to a 9V clip for a demo. Then the hardware lead wants to try the same sketch on a Raspberry Pi after starting on Arduino. On a loose breadboard, each of those changes reshuffles jumpers and mounting.

How a modular platform changes the sequence

With a JIGMOD-style setup drawn from the archive catalog, those pieces are separate modules on a shared platform:

  • HMI: archived Tactile Buttons and Thumbstick JIGMODs mount with the included standoffs and screws; swapping one for the other is a module change, not a full bench rebuild.
  • Power: Binding Post JIGMOD for a benchtop supply, or battery-holder modules (9V, AAA, coin cell, and others listed in the catalog) when the demo must be untethered.
  • Controller: Arduino UNO/DUE/MEGA or Raspberry Pi adapters fasten the board to the platform so the mechanical base stays put while the “brain” changes.
  • Still-evolving logic: Breadboard Adapter (thumbscrews; optional breadboards) or a Proto Board JIGMOD for DIP parts and wire-to-board links.

What this does—and does not—claim

The archive does not publish measured ROI or “saved X weeks” figures, so we will not invent them. What it does document is a platform-and-module circuit building system, adapters for common boards, and modules that package connectors and controls with mounting hardware. In practice, that structure targets the slow parts of prototyping: remounting, rewiring power and HMI, and rebuilding the bench after every experiment.

If you are planning a similar workflow, start from the platform size you need, add the adapter for your board, then pull in only the modules your current iteration requires. See jigmod.com for the live catalog.

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