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LILYGO T-Dongle-C5 brings dual-band WiFi 6 and 802.15.4 to a USB-A dongle form factor

LILYGO's T-Dongle-C5 upgrades the T-Dongle-S3 with ESP32-C5 RISC-V silicon, 16MB flash, 8MB PSRAM, microSD, optional OLED and a Qwiic connector.

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TL;DR — 三句話摘要

  • LILYGO T-Dongle-C5 uses an Espressif Systems ESP32-C5 RISC-V SoC with dual-band 802.11ax WiFi 6, BLE 5.0 and 802.15.4 for Zigbee 3.0/Thread 1.3. (S1)
  • The board ships with 16MB flash, 8MB PSRAM, a microSD slot inside the USB-A connector, and an optional 0.96-inch color OLED. (S1)
  • A new Qwiic connector is added that was not present on the earlier T-Dongle-S3. (S1)

取自 key_takeaways （實際欄位，最多 3 筆）。事實與分析分別標示。

LILYGO T-Dongle-C5 brings dual-band WiFi 6 and 802.15.4 to a USB-A dongle form factor — New Products news briefEditorial cover for a New Products brief. Memory motif; headline "LILYGO T-Dongle-C5 brings dual-band WiFi 6 and 802.15.4 to a USB-A dongle form factor". Reported key numbers: 8 MB; 16 MB. 1 cited source. Static cover (no animation).NEW PRODUCTS · NEWS BRIEFLILYGO T-Dongle-C5 brings dual-band WiFi 6and 802.15.4 to a USB-A dongle form factorREPORTED KEY NUMBERS8 MB16 MB1 sourceXAIPART
Cover image generated from data already shown on this page: the category motif, the headline, and reported key numbers. No decorative illustration; no third-party image.

您來自 AI 回答 — 這是可驗證的原始內容

AI 摘要可能遺漏了其主張的依據。原始預測、受影響零件及每一項引用皆在本頁，且均可追溯至其來源。

XAIPART 預測

本簡報包含可證偽的預測。

跳至完整預測及其證偽規則 ›
受影響零件

此報導無目錄相符項目 — 寧可不顯示，也不推斷相符。

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正在尋找零件？送出詢價 → RFQ

Reported by CNX-Software on 2026-09-27. Summarized and analyzed by XAIPART Editorial.

What happened

LILYGO has introduced the T-Dongle-C5, a USB-A dongle built around the Espressif Systems ESP32-C5 wireless SoC, succeeding the earlier ESP32-S3-based T-Dongle-S3 board.S1

The board ships with 16MB flash and 8MB PSRAM, retains the microSD card slot and an optional 0.96-inch color OLED, and adds a Qwiic expansion connector not present on the prior T-Dongle.S1

On the wireless side, the ESP32-C5 adds dual-band 802.11ax WiFi 6 with 802.11b/g/n fallback, Bluetooth 5.0 LE, and an 802.15.4 radio supporting Zigbee 3.0 and Thread 1.3, addressing the WiFi 6 and 5 GHz gaps of the older S3 design.S1

The ESP32-C5 pairs a 32-bit RISC-V core at up to 240 MHz with a low-power 40 MHz RISC-V core, with 384 KB on-chip SRAM and 320 KB ROM. The microSD socket is integrated into the USB connector and uses a "virtual TF card" interface. Pricing, lead time and distributor stock were not disclosed by the source.S1

Key numbers
MetricReported valueSource
Wireless SoCEspressif Systems ESP32-C5[S1]
CPUSingle-core 32-bit RISC-V up to 240 MHz + 40 MHz LP core[S1]
On-chip SRAM / ROM384 KB / 320 KB[S1]
PSRAM8MB[S1]
Flash16MB[S1]
WiFiDual-band 802.11ax (2.4/5 GHz), 802.11b/g/n fallback[S1]
Bluetooth / 802.15.4BLE 5.0; Zigbee 3.0, Thread 1.3[S1]
DisplayOptional 0.96-inch color OLED[S1]
Storage expansionmicroSD slot in USB-A connector, "virtual TF card"[S1]
ExpansionQwiic connector[S1]
Unit priceNot disclosed[S1]
Distributor stock / lead timeNot disclosed[S1]

Background timeline

  1. - LILYGO T-Dongle-C5 announced as an ESP32-C5 successor to the earlier T-Dongle-S3 board. [S1]
  2. Earlier generation - Prior T-Dongle-S3 board used the ESP32-S3, without the Qwiic connector or dual-band WiFi 6 that the C5 adds. [S1]

XAIPART take

Technical impact

The ESP32-C5 brings 802.11ax on both 2.4 and 5 GHz bands alongside Bluetooth 5.0 LE and an 802.15.4 radio, so a single USB stick can cover WiFi 6 backhaul, BLE provisioning, and Zigbee/Thread mesh commissioning in one BOM line. XAIPART analysis

The RISC-V main plus 40 MHz low-power core split, 384 KB SRAM, 8MB PSRAM and 16MB flash are sufficient for an HTTPS/Thread border-router workload without an external MCU, and the Qwiic connector lets designers add I2C sensors without reworking the enclosure. XAIPART analysis

Market impact

LILYGO is positioning the T-Dongle-C5 as a drop-in upgrade path for T-Dongle-S3 users, which compresses the migration cost for shops that already stock the older part but need 5 GHz or 802.15.4. XAIPART analysis

Source did not disclose distributor stock, lead time or pricing, so procurement teams should not assume the same Chinese-channel 1-3 week lead time they have seen on T-Dongle-S3 orders; treat availability as open until a LILYGO store or AliExpress listing is verified. XAIPART analysis

Action

Pull the ESP32-C5 datasheet and confirm antenna RF performance over 5 GHz in the USB-A enclosure before swapping the part into any WiFi-6 BOM; the dongle's plastic shell and proximity to a host PC are real-world RF variables. XAIPART analysis

For Thread/Zigbee designs, validate Zigbee 3.0 and Thread 1.3 stack support in Espressif's ESP-IDF release notes, since a single-source report on protocol readiness is not yet equivalent to production certification. XAIPART analysis

XAIPART Forecast

XAIPART expects that, by 2027-03-31, at least one major Asian distributor (e.g. LCSC, Mouser APAC, or AliExpress LILYGO store) will list the T-Dongle-C5 at a published single-unit price between $9 and $15 USD; if no distributor carries it below $20 by that date this forecast is wrong. XAIPART analysis

Facts are as reported by the cited source. The design-in, sourcing and forward-looking statements above are XAIPART's analysis, not the source's claims. Uncertainty: pricing, distributor stock, lead time, and protocol-stack maturity claims rely on a single product post and were not disclosed in the source.

Corrections: none at publication. This brief will be updated with a timestamp if the source corrects its report.

替代品與生命週期

已建檔的替代品——目錄範圍，並非市場排名
零件關係生命週期依據
— 檔案中無替代品 需要資料 — 需要 match_type 在任何前代標籤出現之前

「前代」與「替代」標籤僅來自已記錄的相符類型、生命週期狀態或來源文字。未記錄相符項目時，不顯示任何標籤。我們自家的刊登內容不構成市場參考。

值得關注

可證偽預測 — 門檻、時間窗與目前狀態。已證偽的預測仍保留可見。
主張門檻作者狀態
XAIPART expects that, by 2027-03-31, at least one major Asian distributor (e.g. LCSC, Mouser APAC, or AliExpress LILYGO store) will list the T-Dongle-C5 at a published single-unit price between $9 and $15 USD no distributor carries it below $20 by that date Pending

事後證明錯誤的預測會保留可見並加以標記。我們不會刪除。

受影響零件

無目錄相符項目。 此消息未對應到 XAIPART 目前上架的任何零件。我們不會推測相符項目，也不會顯示佔位清單。

此事在整體事件中的位置

Event chain · as of 2026-10-23T12:30:31+08:00 · nodes link to published articles on this site.
Event chain — espressif-systems+new-productsChain nodes: 2026-10-11 M5Stack launches the rugged ToughC5 with ESP32-C5, dual-band Wi-Fi 6, BLE 5, and Zigbee/Thread, targeting outdoor edge nodes and industrial field control.; 2026-10-11 LILYGO's T-Dongle-C5 upgrades the T-Dongle-S3 with ESP32-C5 RISC-V silicon, 16MB flash, 8MB PSRAM, microSD, optional OLED and a Qwiic connector.; 2026-10-23 ESP-Mosaico combines an ESP32-S31 development platform with AI workflows that generate, deploy and test firmware on physical hardware.. As of 2026-10-23T12:30:31+08:00. Open forecast: M5Stack launches the rugged ToughC5 with ESP32-C5, dual-band Wi-Fi 6, BL — pending Open forecast: LILYGO's T-Dongle-C5 upgrades the T-Dongle-S3 with ESP32-C5 RISC-V silic — pending.2026-10-11M5Stack launches tour brief ↗2026-10-11LILYGO's T-Dongle-our brief ↗this brief2026-10-23ESP-Mosaico combinour brief ↗Open forecast: M5Stack launches the rugged ToughC5 with ESP32-C5, dual-band Wi-Fi 6, BL — pendingOpen forecast: LILYGO's T-Dongle-C5 upgrades the T-Dongle-S3 with ESP32-C5 RISC-V silic — pending
  1. what-the-m5stack-toughc5-esp32-c5-controller-means-for-outdoor-iot-boms-and-matter-designs2026-10-11 · product launch
  2. lilygo-t-dongle-c5-brings-dual-band-wifi-6-and-802-15-4-to-a-usb-a-dongle-form-factor2026-10-11 · shortage
  3. esp-mosaico-ai-coding-could-reshape-microcontroller-prototyping2026-10-23
  1. M5Stack launches the rugged ToughC5 with ESP32-C5, dual-band Wi-Fi 6, BLE 5, and Zigbee/Thread, targeting outdoor edge nodes and industrial field control. product launch
  2. LILYGO's T-Dongle-C5 upgrades the T-Dongle-S3 with ESP32-C5 RISC-V silicon, 16MB flash, 8MB PSRAM, microSD, optional OLED and a Qwiic connector. shortage
  3. ESP-Mosaico combines an ESP32-S31 development platform with AI workflows that generate, deploy and test firmware on physical hardware. aggregator

事件鏈僅由已發布的簡報建構——沒有簡報的節點不會繪出。

各維度成本壓力

Source: FRED · Generated · reference output z and composite are algorithm outputs, not a fetch snapshot

Cost pressure by dimension — composite stateDiverging bars for three dimensions around a zero midpoint. Input Cost has no reading; Supply Demand z -1.4711, notable; Fx Energy z 0.1754, neutral. Composite index -9.7, band neutral.0Input costno readingSupply/demandz −1.4711 · notable46 dFX & energyz +0.1754 · neutral5 dcomposite −9.7 · neutral−100 · −40 · −15 · 0 · +15 · +40 · +100
Underlying values — copyable for verification.
DimensionFRED series IDUnitLagAs of
Input costPCOPPUSDM, PALUMUSDM, PNICKUSDMUSD/mt52 d
Supply/demandPCU334413334413, IPG3344Sindex(1982=100) / index(2017=100)46 d
FX & energyDEXCHUS, DCOILBRENTEU, DHHNGSPrate / USD/bbl / USD/MMBtu5 d

No free authoritative interface for: gold · silver · rare earth · polysilicon · lithium carbonate · market share — listed rather than approximated.

本內容的產生方式

流程證據 — 擷取、來源合理性、模型與閘門
此簡報的稽核軌跡
Source fetched CNX-Software · www.cnx-software.com · 1,979 chars · fetch status success
Source sanity (S1) ok — passed before any model call (no s1_ block recorded)
Model / prompt MiniMax-M3 · prompt Blog Agent - News Summary (v2.8-final) · 6,785 tokens · 23.8s · run completed
Gate verdict pass · 6/6 applicable checks passed · spec v2.9 · C10 ratio 0.037988 · C10 rounds 0
Time contract 1 <time datetime> values in this brief — 0 violations (+08:00 or date-only)

上述每一列皆由流程產生，並非人工撰寫。

編輯評分

確定性閘門結果 — 純 PHP，判定過程無模型參與
閘門評分明細 6 項適用檢查， 6通過： 100 百分比. No hold items or mandatory failures. Gate spec: v2.9 (S0 + S1 + C1–C20) · Source affinity (C20): 0.5571. 適用檢查已通過 6 / 6 = 100% · 判定： pass No hold items or mandatory failures Gate spec: v2.9 (S0 + S1 + C1–C20) · Source affinity (C20): 0.5571 是否發布由審核關卡決定。獨立稽核分數僅供參考。

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來源

  1. LILYGO T-Dongle-C5 – An ESP32-C5 USB dongle with microSD card slot, optional 0.96-inch OLED — https://www.cnx-software.com/2026/09/27/lilygo-t-dongle-c5-an-esp32-c5-usb-dongle-with-microsd-card-slot-optional-0-96-inch-oled/ · rss · 存取於

事實標記為 S1/S2，並可追溯至連結來源。標示為 分析 是 XAIPART 自身的推理，與報導事實分開保留。來源連結會被追蹤，而非 nofollow ——署名為刻意為之。