Software for the yard running message boards.

A portable message board is the unit a rental yard sends when a job needs to tell drivers something before they get to the work — lane closed ahead, detour right, slow for flaggers. An arrow board does the same job with light instead of text, pointing traffic out of a lane. Both ride a trailer, run on solar and a battery bank instead of an engine, and sit unattended on a shoulder or a pad for weeks at a time. That is exactly what makes them awkward to run as a fleet: there is no hour meter ticking, the money is in long parked stretches, and the failure that brings one back is a dead battery, a cracked face, or a wrong message — not a blown hydraulic line. EquipFlow runs message boards the way the yard that built it does: dispatch, billing, maintenance, and return inspection on one record per sign.

Built inside Rental King, right now.

Rental King is a heavy-equipment rental yard in Odessa and Midland, TX. They run message boards, manlifts, forklifts, light towers, generators, compressors, and water trucks on MSA contracts through the Permian Basin — 24/7, oilfield pace. EquipFlow was designed and first deployed inside that yard. Every feature was tested against their live operation before it shipped. The product runs there today.

Message boards are low-drama units that leak money quietly. A sign parked on a work zone earns by the week whether or not anyone is looking at it, so the standby and long-rent revenue is only real if every parked day lands on the invoice instead of being remembered wrong at month-end. The damage that costs the yard — a cracked face, a stolen solar panel, a battery returned flat — is easy to miss at a muddy gate and impossible to charge for without a photo and a timestamp behind it. And because these units go out in batches and sit for long stretches, it is simple to lose track of which sign is where. When dispatch, billing, maintenance, and inspection all read from one unit record, the dispatcher knows which boards are out and charged correctly, the mechanic services the power system against real run time, and the bookkeeper closes the month without reconstructing a corridor job from memory.

Message Board specs the rental record tracks.

Every number below is a sourced specification range. The render layer is the only path these values reach the page — they live on the unit record, not in a dispatcher's head.

Full-matrix display resolution (pixel width)

28-60px

Character height

6-18in

Standard message format (lines x characters per line)

3 x 8

Solar charging array

85-390W

Battery bank capacity

400-800Ah

Legibility / recommended viewing distance

200-1320ft

Trailer-mounted sign weight

1740lb

How EquipFlow handles message boards on the dispatch board.

Message boards and arrow boards leave the yard in waves around job starts, so the dispatch board treats each sign as its own line and shows which units are staged, which are out on a work zone, and which are due back, on the same responsive screen at any hour. The traps here are different from powered iron. A sign that goes out with a dead battery bank, a cracked display, or the wrong message already loaded is a callback, so the dispatcher confirms charge state and that the unit was wiped and reprogrammed on the rental record before the truck hooks up. Signs ride pole-trailer style and often go out several at a time on one load, so the board lets a dispatcher batch-assign units to a single delivery rather than entering them one by one. Because the same panel class is easy to over-commit during a paving season or a festival weekend, the board flags the conflict at assignment, not at the gate.

Billing message boards — MSA, standby, and site-level tax.

Highway, utility, and oilfield message-board demand often rides a master service agreement, so the negotiated rate lives as an override on the customer record per equipment class rather than in a sheet the dispatcher keeps in their head. A board created for that account picks up the right rate on its own. These units are billed by the week or month far more than by the hour, and they spend long stretches parked on a work zone doing exactly their job — which is why standby matters here: a sign sitting through a paving phase or a winter shutdown is still on rent and still earning, and the dispatcher marks it so the invoice carries the right line without a month-end rebuild. Delivery, pickup, and any reprogramming or relocation trips ride the same invoice. Tax jurisdiction is set on the delivery-site record, so a board that moved between counties on a corridor job still bills the correct rate per site. Invoices post to QuickBooks Online on close.

Maintenance on message boards.

A message board has no engine, so the maintenance spine is the power system, not an oil change. The preventive-maintenance clock the manufacturers publish for these units is driven by run time on the controller and the charging system, and the maintenance module advances that clock from the reading captured at return so service lands on real exposure rather than a calendar guess. The work that actually keeps a sign earning is power-system work: battery bank health and electrolyte or terminal condition, solar-panel cleaning and output, the charge controller, and the display driver boards behind the matrix. Pixel and lamp health is its own line — a board with dead rows reads as garbage to a driver and comes back as a complaint. Work orders, parts, and run-time history live on the unit record, which is also where a cracked-panel or water-intrusion charge from a return inspection turns into a repair ticket.

Message Board return inspections.

Two inspection rhythms apply, and neither looks like a forklift walkaround. Before a board deploys, the crew runs a function check — display lights every pixel, the controller boots, the message loads, the mast raises and rotates, and the battery bank shows a healthy charge — and that is the customer's responsibility while the sign is on the job. The yard's own control is the return inspection. Before a board comes off rent, the driver runs a mobile-web checklist on a phone — no app install — records the controller run-time reading, and attaches required photos that cannot be skipped. Sign-specific checks carry the weight here: the full matrix lit to catch dead pixels and dim rows, the polycarbonate face for cracks and hazing, the solar panel for cracks and theft, the battery box for corrosion and water, and the mast, jacks, and tongue for bend or tow damage. The return inspection ties to the rental record before the truck leaves, so a damage dispute has photos and a timestamp behind it.

Common message board classes in the field.

The product, the same way it runs for message boards.

The sections below are the EquipFlow modules that matter most when running message boards — each links to the full feature detail.

Operator guides for running message boards.

Field-tested playbooks that go deeper on pricing, dispatch, billing, and maintenance for fleets like this.

• Adding a New Equipment Category to Your Yard →
• Compressed Air Equipment Rentals →
• How to Manage Parts Inventory for Repairs →
• How to Spot Underperforming Rental Assets →

What you give up running message boards in EquipFlow.

EquipFlow is a web app, so the return inspection needs a signal to load. On a remote shoulder or a dead-zone pad the driver cannot finish the mobile inspection on site; most yards handle this by running it at the yard on return, so the photos and run-time reading land later than ideal. There is no built-in tie into the sign manufacturer's own remote-management or message portal today, so over-the-air message changes and live charge telemetry are not pulled in automatically — the controller reading is captured at return inspection instead. And the rate logic is built around the weekly, monthly, and standby model these units actually rent on; a yard with an unusual billing structure should bring it to the demo to be scoped honestly.