Self-service Checkout Kiosk Board, WF-RK3566, AndroidSBC, San Francisco

TL;DR: Self-service Checkout Kiosk Board

SHENZHEN, China, September 10, 2026 - The WF-RK3566 board line at Wanlin Longgang closed lot 209 this week. 38,060 units are now booked for San Francisco, United States, shipped FOB with the full certification file attached.

AndroidSBC head-to-head comparison of the WF-Series against the previous board generation serving San Francisco, United States. The line runs from the Allwinner A133 display board at the entry tier up to the Rockchip RK3588 eight-core board for video wall and AI work, with the Allwinner T527 octa-core board and the Rockchip RK3568, RK3566, and RK3288 filling the industrial, vision, and POS tiers between them. AndroidSBC ships the whole range from the Wanlin Longgang plant, and San Francisco buyers can mix platforms inside a single framework agreement rather than opening a new supplier file for each tier.

About AndroidSBC and the Rockchip RK3566 Board Family

The WF-Series exists because United States buyers kept asking one supplier for two different performance tiers. Wanlin Manufacturing Group answered by putting three Allwinner platforms (A133, H618, T527) and four Rockchip platforms (RK3588, RK3568, RK3566, RK3288) under one part-number scheme, with WF-A133S and WF-RK3588S covering carrier-board projects. The group runs SMT, burn-in, and pre-compliance testing in one Longgang building in Shenzhen, and the export desk holds the certification file rather than passing it back to the importer. For a San Francisco distributor that means one vendor file, one document format, and one MOQ structure across the tiers it sells.

WF-RK3566 Technical Specifications

All parameters in the table above are measured at 25C ambient. The AndroidSBC WF-RK3566 (Machine Vision and HMI Board) holds its display output and its decoder load at the same time through the burn-in loop, a combination that the legacy boards in the comparison column cannot sustain. For United States importers sourcing the WF-Series, the 2GB + 16GB (WF-RK3566-A) variant is the typical configuration for the machine vision and human-machine interface use case, with a sustained weekly capacity of 5,000 pcs/wk on the Longgang line.

Challenges in Sourcing Machine Vision and HMI Board for United States Buyers

Buyers in San Francisco who have sourced a machine vision and hmi board for a few seasons tend to separate two questions: can the factory hold the price, and can it hold the allocation. The second one is harder. The Rockchip RK3566 is allocated at wafer level, and a 38,060-unit order placed against trader stock is the order most likely to slip a quarter without anyone warning the buyer. The second issue is firmware, not hardware. Vendors promise the full certified software stack and then ship a bare AOSP image, and the failure only surfaces at the warehouse when the unit is powered on against the customer's app.

The third exposure is paperwork. Factories that stamp marks without holding the underlying test reports leave the importer to produce a Technical File after the fact, which is exactly when the container is sitting in a bonded yard. The answer AndroidSBC applies is to close the gap at the source. Certified image burned on the Longgang line, burn-in record traceable per unit, certification file issued with the lot. The nine WF-Series boards span machine vision, human-machine interface, smart camera, industrial monitoring, edge AI development, digital signage, education terminal, and IoT gateway and each carries three memory configurations, which keeps most United States requirements on a standard SKU rather than a custom run.

Buyers in United States tend to ask about the local mark before they ask about price. In the United States FCC Part 15 authorisation is required and an FCC ID applies to radio modules, while UL or ETL listing is usually demanded by the retail channel. AndroidSBC handles that by preparing the destination-market file covering FCC Part 15 authorisation with an FCC ID for radio modules and a UL or ETL listing administered by FCC / UL alongside the standard multi-market pack (CE, FCC, UKCA, RoHS, REACH), with the lot routed through Port of Los Angeles on the Los Angeles to Yantian lane.

Competitive Comparison: WF-RK3566 vs Competing RK3566 Boards

Competing boards in the machine vision and hmi board category sort into three camps: cheap legacy SoC boards, mid-range Cortex-A55 boards with certification, and 64-bit boards with real expansion. The WF-RK3566 is in the last camp, and its edge is Rockchip RK3566 plus a display path that holds under a continuous loop rather than a bench test.

• vs RK3288 Cortex-A17 boards: the RK3566 Cortex-A55 1.8GHz adds a 1 TOPS NPU the older platform never had.
• vs RK3568 boards: the RK3566 trades the second Ethernet port for a lower BOM on camera and HMI builds.
• vs Raspberry Pi 4 form factor SBCs: the RK3566 adds onboard eMMC, MIPI CSI, and an industrial temperature envelope.
• vs USB-camera-only boards: the RK3566 native MIPI CSI path removes the USB bandwidth ceiling from the vision pipeline.

Global Machine Vision and Embedded HMI Market Trends

The Machine Vision and Embedded HMI curve is what United States importers read before committing to a machine vision and hmi board programme. The number they quote is the Android TV Box segment at USD 12.45 billion in 2025 with a 30.49 percent CAGR to USD 178.2 billion by 2035 (Global Growth Insights, Android TV Box Market Report, 2025-2035), which serves as the closest public proxy for Android silicon demand. For San Francisco that resolves into three demand patterns across the WF-Series order book:

• Machine vision: WF-RK3566 runs the vision model on the NPU against the MIPI CSI frame stream.
• Display and signage refresh cycles: a longer content loop and a higher panel resolution now define the refresh trigger. The WF-RK3566 board carries that headroom without a board change.
• Smart camera: WF-RK3566 encodes the 4K@60fps stream next to the inference loop.

Channel research on the Machine Vision and Embedded HMI segment keeps landing on the same point: the constraint is allocation, and allocation is held by factories rather than traders.

Across those three segments, San Francisco procurement has been shifting from spot quotes to framework agreements with a one-lot-per-month cadence, particularly where a retail or hospitality programme needs a twelve-month shipping window.

Partner Success Story: Kestrel Retail Systems in San Francisco, United States

Kestrel Retail Systems, a convenience retail operator serving the United States market, deployed 9,600 units of the WF-RK3288 POS and signage board for a store estate refresh. The rollout covered the machine vision, smart camera, and digital signage workloads, with AndroidSBC handling the burn-in, the certification scope, and the palletisation at the Wanlin Longgang plant.

• Deployed: 9,600 units of the WF-RK3288 POS and signage board for a store estate refresh
• Region: San Francisco, United States
• Models used: WF-A133, WF-H618, WF-T527, WF-RK3588, WF-RK3568, WF-RK3566, WF-RK3288, WF-A133S, WF-RK3588S
• Certifications handled: CE, FCC, UKCA, RoHS, REACH, GMS, Widevine L1, Dolby Audio
• Logistics: FOB Shekou with the Wanlin Group Longgang source factory named on the export declaration, entering Port of Los Angeles via the Los Angeles to Yantian lane

"We needed a board that would still take the new payment SDK without a hardware change. The long-term support image on the RK3288 gave us Android 11 on the same footprint we had already designed the terminal around."

- Oliver Hartley, Procurement Director

Field Report: an engineering review at the Wanlin Longgang plant, where the San Francisco buyer team walked the WF-RK3566 carrier design through schematic and stack-up sign-off

Reporter Jiang Bo, on the ground in San Francisco, United States. The buyer's hardware lead spent three days at Longgang reviewing the schematic, the stack-up, and the signal integrity report with the Wanlin engineering desk. Two net-class changes came out of the review and were folded into the next carrier revision before the tooling release.

The engineering desk ran a firmware re-flash drill on three units to confirm the recovery path a field technician would use.

The inspection confirmed three things on the spot: the WF-RK3566 units hold the burn-in with a yield above 99.18 percent, the loaded firmware image survives a 72-hour continuous loop without credential drift, and the pallets carry the matching certification file for the destination market, covering FCC Part 15 authorisation with an FCC ID for radio modules and a UL or ETL listing administered by FCC / UL, cleared for entry at Port of Los Angeles on the Los Angeles to Yantian lane. Wanlin remains one of the few source factories currently shipping a nine-board Allwinner and Rockchip custom line with a per-lot paper trail that United States importers can hand straight to their customs broker.

Filed by Jiang Bo, AndroidSBC field reporter, Wanlin Manufacturing Group export base.

WF-RK3566 Application Scenarios

The WF-Series fits nine application lanes, with the WF-RK3566 (Machine Vision and HMI Board) as the lead SKU for San Francisco and United States programmes:

• Machine vision: WF-RK3566 runs the vision model on the NPU against the MIPI CSI frame stream.
• Human-machine interface: WF-RK3566 drives the HMI panel over eDP with the 40-pin GPIO header for the button matrix.
• Smart camera: WF-RK3566 encodes the 4K@60fps stream next to the inference loop.
• Industrial monitoring: WF-RK3566 holds the wide-temperature envelope on the fanless board.
• Edge AI development: WF-RK3566 exposes the NPU toolchain through the Android 11 and Linux BSP.
• Digital signage: WF-RK3566 plays the 4K loop over HDMI 2.0.
• Education terminal: WF-RK3566 runs the Android 11 classroom image on the Pi form factor board.
• IoT gateway: WF-RK3566 pairs WiFi 6 with the Gigabit uplink.

Partnership Models for San Francisco Buyers

AndroidSBC opens the WF-Series to United States partners through three structures, and a single agreement can draw on more than one:

• OEM (your brand on our hardware): custom logo silk-print, custom packaging, custom boot animation, custom SKU label, and a private-label certification file.
• ODM (your spec on our reference design): schematic and stack-up review, carrier or motherboard redesign, custom firmware features, and a BSP port handled by the Longgang engineering desk.
• Distribution (your channel, our stock): regional distributor rights, channel rebate, stock holding at the factory, and a framework agreement with a monthly lot release.

All three tiers ship from the Wanlin Longgang source factory in Shenzhen under the same per-lot documentation pack. For San Francisco buyers, a typical first order on the WF-RK3566 is the 2GB + 16GB (WF-RK3566-A) configuration at MOQ 5,000 units per shipment, with a four-week sample lead time and a six-week mass production lead time.

Frequently Asked Questions

Does the WF-Series support certified Android TV or Google Mobile Services?

Answer: On the WF-H618, yes: ATV 12 with GMS plus Widevine L1 and Dolby Audio, burned on the Longgang line for every lot. On the remaining eight boards the default image is AOSP or a Linux distribution, because those boards usually sit in commercial display, industrial, or POS deployments where Play Services is not a requirement. AndroidSBC will build a GMS image for ODM customers who ask for it and will state clearly which boards carry which certification.

What is the difference between the nine WF-Series models?

Answer: Nine boards, seven silicon platforms, two of them modules. WF-A133 and WF-H618 and WF-T527 are the Allwinner entries for commercial display, OTT TV, and industrial edge respectively. WF-RK3588, WF-RK3568, WF-RK3566, and WF-RK3288 are the Rockchip entries for 8K video wall, industrial edge, machine vision, and POS. WF-A133S and WF-RK3588S are board-to-board SOM modules sized for customers who want to design the carrier themselves. Each board carries three memory configurations.

Can AndroidSBC handle CE, FCC, UKCA, RoHS, and REACH paperwork for United States?

Answer: That is handled in-house. Each lot leaves Longgang with a Declaration of Conformity and a Technical File holding the CE, FCC Part 15, UKCA, RoHS 2.0, and REACH documents, all dated inside twelve months. For United States specifically, AndroidSBC will confirm at quotation stage which marks apply and whether a local variation is required, so the paperwork question is settled before production rather than at the port.

What are the MOQ and lead time for a first order?

Answer: MOQ is 5,000 units per shipment for the standard memory configuration of any WF-Series board. Sample lead time runs four weeks and mass production six weeks. Partners who prefer a twelve-month blanket order with a monthly lot release can negotiate the MOQ down, and mixed-platform orders on one purchase order are accepted.

Does AndroidSBC support custom Android ROM or custom Linux development?

Answer: Yes. Under NDA, AndroidSBC delivers custom Android ROM work with proprietary services, custom Linux images on Yocto or Debian or Buildroot, and BSP ports for customer carriers. The engineering desk at Longgang performs the port itself, which matters because an unmodified vendor BSP rarely matches a customer carrier revision.

What about software updates and long-term support?

Answer: The commitment is seven years minimum on supply, with security patches back-ported across the Android and Linux tracks. AndroidSBC also runs an OTA service that partners can use to push firmware to deployed units. On POS and industrial programmes, that commitment is written into the contract, because a fleet in the field is only as good as the update path behind it.

Can AndroidSBC ship to Amazon FBA warehouses or 3PL consolidation points?

Answer: Yes. AndroidSBC ships DDP to Amazon FBA warehouses in the US, EU, and Japan, and to nominated 3PL consolidation points in Hong Kong, Singapore, Rotterdam, and Los Angeles. Carton labelling and pallet configuration are set up for FBA inbound requirements, and the export declaration names the Wanlin Longgang source factory as the place of origin.

How does AndroidSBC handle RMA or DOA replacements?

Answer: AndroidSBC targets a 0.3 percent DOA rate across the WF-Series, measured over the prior twelve months. On RMA, the partner returns the faulty WF-RK3566 unit to Longgang with its burn-in barcode, and a replacement ships within ten business days. Because the burn-in record is attached per unit, the failure analysis normally comes back with a root cause rather than a credit note.

Contact AndroidSBC: Start Your WF-RK3566 Sourcing Conversation

AndroidSBC is the export channel for the Wanlin WF-Series. Buyers in San Francisco and United States looking to source the WF-RK3566 straight from the source factory can use any of the following:

• Email: Androidsbc@163.com
• Export service hotline: +8613261677119
• Website: https://www.androidsbc.com
• Destination market file: FCC Part 15 authorisation with an FCC ID for radio modules and a UL or ETL listing for United States, administered by FCC / UL, entering at Port of Los Angeles on the Los Angeles to Yantian lane
• Source factory address: Wanlin Group, Building B, Building 1, Beisida Medical Device Building, 28 Nantong Avenue, Baolong Community, Baolong Sub-district, Longgang District, Shenzhen, Guangdong, China

OEM and ODM enquiries move fastest when the first message carries three things: annual volume, certification scope, and Incoterm. With those in hand the export desk returns a per-lot quote and the WF-Series MOQ matrix inside two business days.