A large advertising display along a commercial concourse

HQControl Display Control Hardware

The control hardware behind advertising and commercial displays

HQControl develops FPGA/MCU control hardware, sending cards, receiving cards, control units and interface boards for advertising screen, commercial display and custom display manufacturers — with prototype validation, production testing and supply-chain cooperation.

Send Specifications Advertising screen solutions

We serve: Display device manufacturers
Control core: FPGA + MCU
Engineering scope: Architecture / board / prototype / test

POSITIONING

Why a display device needs dedicated control hardware capability

Advertising screens, commercial displays, small display products and large LED display systems all look like “a screen”. What actually decides whether the product runs stably is the control hardware behind it.

The customer sees brightness, picture, response, stability, interfaces and appearance. The engineering team faces the signal chain, timing, bandwidth, power, thermal behaviour, structure, firmware, test and supply chain.

Control hardware does not need to be as complex or as high-spec as possible — it needs to suit the product target. A retail signage project may weight cost, stability and peripheral control; an outdoor LED project may weight the receiving side, reliability, batch consistency and service access.

WHERE TO START

Three ways in

Enter by application, land on hardware

The outer layer is the display application a customer already knows; the inner layer is FPGA, MCU, sending cards, receiving cards, interface boards and production test.

Advertising & commercial display

Control chains defined per application

Control hardware for outdoor LED advertising, retail signage, indoor commercial display devices, public information screens and custom display products.

FPGA + MCU

Real-time display path and device control

FPGA carries display timing, pixel mapping and interface bridging; MCU carries command packets, status readback, fault codes, programming and factory test.

Hardware ODM development

From requirement review to pilot testing

Requirement review, architecture, schematic and PCB, FPGA/MCU control logic, prototype validation, BOM coordination and production-test support.

CONTROL CHAIN

System view

From input to display output, then to production test

Customers usually arrive with a device goal rather than a finished specification. The work is to break it into input, control, sending, transmission, receiving, display and test boundaries.

01 Signal Input
02 FPGA / MCU Control
03 Sending / Output Unit
04 Transmission Link
05 Receiving / Module Control
06 Display Output
07 Production Test

HQControl works across the whole chain rather than a single board. The interface, timing and test boundary of each stage is defined during architecture.

CAPABILITIES

Hardware capability

FPGA, MCU, sending cards, receiving cards, control modules and interface boards

Each capability is combined around the customer device requirement rather than sold as a fixed model.

FPGA Display Control Hardware

FPGA-based control hardware for high-speed display links, pixel processing, timing control and multi-interface output.

MCU Control Systems

MCU control systems for display-device state control, interface management, peripheral coordination and device logic.

Sending Cards / Output Control Units

Sending-card and output-control-unit development for display signal input, processing, distribution and output.

Receiving Cards / Module Control

Receiving-side control hardware for LED modules, commercial display units and custom display structures.

Display Control Modules

Integrable control boards, interface boards and modular hardware for advertising screens, small display products and custom devices.

Custom Interface Boards

Adapter and interface boards that bridge an existing main controller, display module or harness to the rest of the control chain.

See capabilities →

ODM PROCESS

Six stages

From requirement review to pilot and production-test support

Each stage states what the customer supplies, what the work covers and what is delivered.

01
Requirement Review

Clarify display type, application scenario, screen size or resolution, refresh needs, input/output interfaces, control method, installation environment, mechanical limits, target cost, planned quantity and project stage. The aim is not an immediate quote but turning a vague requirement into engineering questions that can be judged.
Deliverables
- Requirement brief
- Initial risk notes
- Architecture direction
02
Architecture Definition

Break the requirement into source, control core, sending/output unit, transmission link, receiving/module control, display output, power, structure, firmware and production-test boundaries — and decide what the FPGA carries, what the MCU carries, and whether separate sending, receiving or interface boards are needed.
Deliverables
- System block diagram
- Interface plan
- Development scope
- Risk register
03
Schematic and PCB Development

Develop schematic, PCB, key component selection, BOM, test points, interface definition and board-version management. PCB work accounts for high-speed signal integrity, power stability, thermal path, connector position, assembly, production test and later repair — designed for manufacture, not only for the lab.
Deliverables
- Schematic files
- PCB files
- BOM draft
- Test-point plan
- Board revision notes
04
FPGA / MCU Control Logic and Debugging

Develop and debug FPGA control logic, MCU firmware, interface communication, power-on sequence, status feedback, exception handling and the debugging workflow — locating whether an issue sits at the input, the control logic, the transmission link, the receiving side, the module, power, mechanical interference or the firmware flow.
Deliverables
- Debug notes
- Firmware or logic revision
- Issue list
- Next-revision suggestions
05
Prototype Validation

Validate power-on, communication, display output, interface link, timing, sync, stability, basic aging and issue reproduction. The point is not a single demonstration but confirming the approach is ready to be revised, piloted and integrated into the customer device.
Deliverables
- Prototype test record
- Issue list
- Validation summary
- Revision plan
06
Pilot Production and Production-Test Support

Support component sourcing, alternative-part review, test fixtures, test workflow, acceptance criteria, batch records, packaging and supply-chain issue closure. The cooperation model, test scope and delivery boundary are confirmed per project rather than promised as a fixed lead time.
Deliverables
- Pilot support notes
- Production-test workflow
- Acceptance checklist
- Handoff notes

Open ODM development →

IN PRACTICE

Electronic control boards arranged next to a bench tester

Prototype validation

Validation starts after first light

A prototype that lights up only proves the chain connects. Temperature drift, power-cut recovery, content-specific anomalies, re-plugged interfaces and substituted component batches are the risks that have to surface before production.

Technology

Automated equipment working over a circuit board

Production test

Handing control hardware to a production line

BOM, alternative parts, programming files, test workflow, test points, labelling rules and version records are considered during design, so a line can programme, test and judge by a fixed method.

Manufacturing & Test

Project inquiry

Turn display requirements into validated, manufacturable control hardware

Share display type, target specifications, interface requirements and project stage. We review the control hardware approach and ODM cooperation model; pricing and lead time follow project review.

Start a Project Send Specifications