Huidu HD-W03 Single-Color Wi-Fi LED Control Card
$ 2.80
HD-W03 single-color LED sign controller with Wi-Fi updates, HUB12/HUB08 connections and support for HD2018, HD2020 and LedArt. Listed screen layouts include 512 × 48, 768 × 32 and 1280 × 16 pixels.
1000 in stock
HD-W03 Wi-Fi controller for single-color LED signs
The Huidu HD-W03 is a single-color LED control card for storefront, entrance and information signs. A phone or laptop can connect to its Wi-Fi hotspot to update programs, using HD2018, HD2020 or the LedArt app as identified in the V7.0.2 specification.
Text, clocks and sensor information
Build programs with text effects, clocks, timers and counters. Up to 20 independent areas provide separate effects and borders, while the card stores up to 1,000 programs. Clock options include digital and dial displays, lunar time and multiple time zones.
Compatible external sensors add temperature/humidity data or automatic brightness control. Manual and time-period brightness adjustment and timed screen switching are also listed. Match the module connector and screen layout before configuring the card.
HD-W03 technical specifications
| Display type | Single-color LED signs |
|---|---|
| Listed control ranges | 512 × 48, 768 × 32 or 1280 × 16 pixels |
| Communication | Wi-Fi hotspot for phone or laptop updates |
| Software | HD2018, HD2020 and LedArt app |
| Module connections | HUB12 (black) and HUB08 (yellow) |
| Flash memory | 1 MByte |
| Programs / areas | Up to 1,000 programs; 20 independent areas |
| Content | Text, clocks, timing, counters, lunar calendar and supported sensor readings |
| Sensors | P5 temperature/humidity input; P7 brightness-sensor input |
| Scheduling / brightness | Timed screen switching; manual, automatic and time-period brightness adjustment |
| Input voltage | DC 4.2–5.5 V; standard 5 V recommended |
| Power | 3 W |
| Working temperature / humidity | −40°C to +80°C; 0–95% RH |
Product images
Frequently asked questions
Is the HD-W03 a single-color or full-color controller?
The linked V7.0.2 specification identifies it as a single-color Wi-Fi controller. Use the documented monochrome loading ranges; this source does not establish full-color or dual-color operation.
How do I update content wirelessly?
Connect a phone or laptop to the card’s Wi-Fi hotspot and use supported software to send the program. The specification names HD2018, HD2020 and the LedArt mobile app.
Which screen sizes are listed for the W03?
The listed single-color configurations are 512 × 48, 768 × 32 and 1280 × 16 pixels. These are alternative layouts, not values to combine into a larger canvas.
Can the W03 display temperature and control brightness automatically?
It provides a temperature/humidity sensor input at P5 and a brightness-sensor input at P7. Use compatible external sensors and the appropriate controller settings for these functions.
Specification download
Huidu HD-W03 Single-Color Wi-Fi Control Card Specification (PDF)
| Weight | 0.3 kg |
|---|
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The prices displayed on our site are tax-free (in US Dollars), which means you may be required to pay import duties and taxes once you receive your order. Import taxes, duties, and related customs fees will be determined by your local customs office when your order arrives at its final destination.
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Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.)..
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
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