Display control hardware · FPGA / MCU · ODM

The control hardware behind advertising screens and custom display products

HQControl designs FPGA and MCU display control hardware, supplies standard display control cards and standalone power, and runs China-connected ODM engineering from requirement review to pilot production.

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Available hardware

Real boards, modules and installed control hardware

Standard display control cards, the P2.5 240×80 LED module and standalone power supplies are available now. Firmware, protocol and display adaptation are quoted per project.

HQControl MCU display control card with labelled connectors: HUB75 display output, serial control header, DC power input and status indicators. — Annotated MCU display control card: HUB75 output, serial control, DC input.

A control board mounted on the back of an LED display module, connected to the module’s HUB75 header and power terminals. — Control board installed and wired on the back of an LED module.

An LED matrix under test, driven by FPGA display-control logic and showing a test pattern with readable text output. — FPGA-driven LED matrix display test.

Approved price anchors

Published list prices for standard configurations

These three anchors are approved for publication. Other variant prices are derived and stay under review until they are confirmed.

Lowest MCU control card

MCU Serial Display Control Card — Single Output

US$79
Display control card, MCU I/O

Display Control Card with MCU I/O Interface

US$90
Standalone power supply

5V/6A Standalone Power Supply

US$3

Standard configuration only. Firmware changes, display adaptation, protocol development, interface customization, ODM, shipping and tax are quoted separately.

Standard Hardware

Control chain

Capability

FPGA, MCU and the full display control chain

Sending-side control, receiving-side links, display-module control, interface boards and production-test entry points are defined as one chain rather than isolated parts.

GOWIN FPGA · CHINA CHIP & SUPPLY-CHAIN ADAPTATION

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.

FPGA display timing, pixel mapping, interface bridging and test-pattern logic
MCU command packets, register read/write, status readback, fault codes and production-test commands
Sending and receiving links, display-module control, custom control and interface boards
Prototype validation, BOM review, production test and pilot support

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ODM process

From requirement review to pilot production

Each stage states what the customer supplies, what is worked on and what is handed back.

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.
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.
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.
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.
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.
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.

Discuss ODM Development

Adjacent line

Adjacent engineering line

High-Speed Imaging and FAT Hardware Engineering

Sensor interfaces, FPGA data paths, trigger synchronization and complete-device hardware integration for high-speed cameras, automatic timing and custom imaging equipment.

HQControl's chief engineer previously led the hardware design of complete FAT (Fully Automatic Timing) systems. This capability is presented as the chief engineer's prior system-level experience, not as an HQControl-owned FAT product or customer case.

High-Speed Imaging & FAT Experience

Two LED panels running from one power and control setup during a bench validation test.

Applications

Where this control hardware is used

Customer-facing display systems first; the FPGA, MCU, sending/receiving and interface hardware sits underneath.

Silhouettes of three people walking past a large outdoor billboard.

Advertising Screen Control Hardware

Control boards, sending/receiving links and integration support for indoor and outdoor advertising screens, digital posters and commercial-space displays.

A retail storefront with screens and product displays visible through the window.

Retail Digital Signage

Embedded control hardware customization for stores, malls, product displays, information screens and interactive display devices.

A flat-screen commercial display mounted inside a building interior.

Commercial Display Devices

Control cores, interface boards, display control modules and prototype validation for commercial display manufacturers.

Three illuminated outdoor billboards on a wet street at night.

Outdoor LED Display Systems

Signal-link, receiving-side control, reliability and production-test support for outdoor LED display systems.

A small electronic module on a white surface, representing compact display-device hardware.

Small Display Products

MCU and interface-board development for small commercial displays, information terminals, device screens and custom control units.

A technician in a lab coat and safety glasses working at an electronics bench.

Custom Display Systems

Co-define structure, control, interfaces, supply chain and validation workflow to deliver hardware adapted to a specific display product.

Manufacturing & test

Sourcing, production testing and pilot supply cooperation

HQControl coordinates component sourcing, production test workflow and pilot build with cooperating manufacturing partners.

An automated SMT production line used as manufacturing-cooperation context; it is not presented as an HQControl-owned factory.

Prototypes and Engineering Samples

Prototypes and engineering samples track PCB version, BOM, firmware version, interface definition, test records and issue lists.

Macro view of densely assembled processing and power components on a blue circuit board, used as China BOM ecosystem context.

Component Sourcing

Component sourcing considers key chip availability, alternatives, lifecycle, lead time and batch consistency.

Production Testing

Production testing covers power-on, interfaces, display output, communication, aging, appearance and key functional checks; exact scope follows the project specification.

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.

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