diff --git a/README.md b/README.md
index 7dec6c9..2d794fa 100644
--- a/README.md
+++ b/README.md
@@ -51,6 +51,8 @@ After rebuilding a project, run its `firmware\export_from_build.ps1`, then click
 
 Preferred card preview: **`media/preview.html`** — HTML recreation of the on-device LVGL UI (320×240). Auto-detected if present.
 
+Cards also offer a **Hardware** tab (sensor / module still). Mapping lives in `lib/sensor-media.ts`; images under `public/sensors/` (see `ATTRIBUTION.md`).
+
 Optional `meta.json` beside the `.bin` files:
 
 ```json
diff --git a/components/firmware-preview.tsx b/components/firmware-preview.tsx
index c27339c..4ac2774 100644
--- a/components/firmware-preview.tsx
+++ b/components/firmware-preview.tsx
@@ -1,13 +1,17 @@
 "use client";
 
 import { useEffect, useRef, useState } from "react";
+import { useTranslations } from "next-intl";
 import type { FirmwareInfo } from "@/lib/firmware";
+import { sensorMediaForProject } from "@/lib/sensor-media";
 import { cn } from "@/lib/utils";
 
 const SCREEN_W = 320;
 const SCREEN_H = 240;
 
-/** Renders HTML on-device UI mock (preferred) — never uses raster covers. */
+type Tab = "ui" | "sensor";
+
+/** On-device HTML UI mock + optional hardware still, switchable via tabs. */
 export function FirmwarePreview({
   fw,
   className,
@@ -17,12 +21,20 @@ export function FirmwarePreview({
   className?: string;
   title?: string;
 }) {
+  const t = useTranslations("firmware");
   const hostRef = useRef<HTMLDivElement>(null);
   const [scale, setScale] = useState(1);
+  const sensor = sensorMediaForProject(fw.project);
+  const hasUi = Boolean(fw.media.preview);
+  const [tab, setTab] = useState<Tab>(hasUi ? "ui" : "sensor");
+
+  useEffect(() => {
+    setTab(hasUi ? "ui" : sensor ? "sensor" : "ui");
+  }, [fw.id, hasUi, sensor]);
 
   useEffect(() => {
     const el = hostRef.current;
-    if (!el) return;
+    if (!el || tab !== "ui") return;
 
     const update = () => {
       const { width, height } = el.getBoundingClientRect();
@@ -34,34 +46,9 @@ export function FirmwarePreview({
     const ro = new ResizeObserver(update);
     ro.observe(el);
     return () => ro.disconnect();
-  }, [fw.media.preview]);
+  }, [fw.media.preview, tab]);
 
-  if (fw.media.preview) {
-    return (
-      <div
-        ref={hostRef}
-        className={cn(
-          "relative h-full w-full overflow-hidden bg-[#0A1016]",
-          className
-        )}
-      >
-        <iframe
-          title={title || `${fw.name} UI preview`}
-          src={fw.media.preview}
-          width={SCREEN_W}
-          height={SCREEN_H}
-          loading="lazy"
-          sandbox="allow-scripts"
-          tabIndex={-1}
-          className="pointer-events-none absolute left-1/2 top-1/2 border-0 bg-[#0A1016]"
-          style={{
-            transform: `translate(-50%, -50%) scale(${scale})`,
-            transformOrigin: "center center",
-          }}
-        />
-      </div>
-    );
-  }
+  const showTabs = hasUi && Boolean(sensor);
 
   const initials = fw.name
     .replace(/[^A-Za-z0-9\u4e00-\u9fff]+/g, " ")
@@ -74,16 +61,95 @@ export function FirmwarePreview({
   return (
     <div
       className={cn(
-        "flex h-full w-full flex-col items-center justify-center gap-2 bg-[radial-gradient(ellipse_at_30%_20%,rgba(240,197,10,0.18),transparent_55%),linear-gradient(160deg,#1a1610,#0e0c09)]",
+        "relative flex h-full w-full flex-col overflow-hidden bg-[#0A1016]",
         className
       )}
     >
-      <span className="font-[family-name:var(--font-display)] text-3xl font-extrabold tracking-tight text-[var(--accent-hot)]/80">
-        {initials || "FW"}
-      </span>
-      <span className="text-[0.65rem] uppercase tracking-[0.14em] text-[var(--muted)]">
-        HTML preview soon
-      </span>
+      {showTabs && (
+        <div
+          className="absolute left-2 top-2 z-10 flex gap-0.5 rounded-md bg-black/60 p-0.5 backdrop-blur-sm"
+          onClick={(e) => e.stopPropagation()}
+          onPointerDown={(e) => e.stopPropagation()}
+        >
+          <button
+            type="button"
+            className={cn(
+              "rounded px-2 py-0.5 text-[0.65rem] font-semibold tracking-wide transition-colors",
+              tab === "ui"
+                ? "bg-[var(--accent)] text-black"
+                : "text-[var(--ink)]/80 hover:text-[var(--ink)]"
+            )}
+            onClick={(e) => {
+              e.stopPropagation();
+              setTab("ui");
+            }}
+          >
+            {t("tabUi")}
+          </button>
+          <button
+            type="button"
+            className={cn(
+              "rounded px-2 py-0.5 text-[0.65rem] font-semibold tracking-wide transition-colors",
+              tab === "sensor"
+                ? "bg-[var(--accent)] text-black"
+                : "text-[var(--ink)]/80 hover:text-[var(--ink)]"
+            )}
+            onClick={(e) => {
+              e.stopPropagation();
+              setTab("sensor");
+            }}
+          >
+            {t("tabSensor")}
+          </button>
+        </div>
+      )}
+
+      <div className="relative min-h-0 flex-1">
+        {tab === "ui" && hasUi ? (
+          <div
+            ref={hostRef}
+            className="relative h-full w-full overflow-hidden bg-[#0A1016]"
+          >
+            <iframe
+              title={title || `${fw.name} UI preview`}
+              src={fw.media.preview!}
+              width={SCREEN_W}
+              height={SCREEN_H}
+              loading="lazy"
+              sandbox="allow-scripts"
+              tabIndex={-1}
+              className="pointer-events-none absolute left-1/2 top-1/2 border-0 bg-[#0A1016]"
+              style={{
+                transform: `translate(-50%, -50%) scale(${scale})`,
+                transformOrigin: "center center",
+              }}
+            />
+          </div>
+        ) : tab === "sensor" && sensor ? (
+          <div className="flex h-full w-full flex-col items-center justify-center gap-2 bg-[radial-gradient(ellipse_at_50%_30%,rgba(240,197,10,0.08),transparent_60%),#0A1016] p-3">
+            {/* eslint-disable-next-line @next/next/no-img-element */}
+            <img
+              src={sensor.src}
+              alt={sensor.label}
+              className="max-h-[78%] max-w-full object-contain drop-shadow-[0_8px_24px_rgba(0,0,0,0.45)]"
+              loading="lazy"
+              draggable={false}
+            />
+            <span className="text-center text-[0.7rem] font-medium tracking-wide text-[var(--muted)]">
+              {sensor.label}
+            </span>
+          </div>
+        ) : (
+          <div className="flex h-full w-full flex-col items-center justify-center gap-2 bg-[radial-gradient(ellipse_at_30%_20%,rgba(240,197,10,0.18),transparent_55%),linear-gradient(160deg,#1a1610,#0e0c09)]">
+            <span className="font-[family-name:var(--font-display)] text-3xl font-extrabold tracking-tight text-[var(--accent-hot)]/80">
+              {initials || "FW"}
+            </span>
+            <span className="text-[0.65rem] uppercase tracking-[0.14em] text-[var(--muted)]">
+              HTML preview soon
+            </span>
+          </div>
+        )}
+      </div>
     </div>
   );
 }
diff --git a/lib/sensor-media.ts b/lib/sensor-media.ts
new file mode 100644
index 0000000..c6508f8
--- /dev/null
+++ b/lib/sensor-media.ts
@@ -0,0 +1,86 @@
+/**
+ * Hardware / sensor stills shown in the preview “Hardware” tab.
+ * Prefer Wikimedia Commons (CC) or original studio stubs — see public/sensors/ATTRIBUTION.md
+ */
+export type SensorMedia = {
+  /** Short part name shown under the photo */
+  label: string;
+  /** Public URL under /sensors/… */
+  src: string;
+};
+
+/** Map firmware project folder name → sensor/module still. */
+const BY_PROJECT: Record<string, SensorMedia> = {
+  temperature: {
+    label: "DHT11 / DHT22",
+    src: "/sensors/dht.jpg",
+  },
+  gy30test: {
+    label: "GY-30 / BH1750",
+    src: "/sensors/bh1750.jpg",
+  },
+  sgp30test: {
+    label: "SGP30",
+    src: "/sensors/sgp30.jpg",
+  },
+  ld2420test: {
+    label: "LD2420 mmWave",
+    src: "/sensors/ld2420.jpg",
+  },
+  phtotest: {
+    label: "microSD / TF",
+    src: "/sensors/microsd.jpg",
+  },
+  tftest: {
+    label: "Speaker (GPIO26)",
+    src: "/sensors/speaker.jpg",
+  },
+  activeBuzzerTest: {
+    label: "Active buzzer",
+    src: "/sensors/buzzer.jpg",
+  },
+  btntest: {
+    label: "Tactile button",
+    src: "/sensors/button.jpg",
+  },
+  touchbtntest: {
+    label: "TTP223 touch",
+    src: "/sensors/ttp223.jpg",
+  },
+  humanInfraredModuletest: {
+    label: "PIR SR505 / SR501",
+    src: "/sensors/pir.jpg",
+  },
+  voicechecktest: {
+    label: "Whistle / sound (digital)",
+    src: "/sensors/sound_sensor.jpg",
+  },
+  hw069digitdisplaytest: {
+    label: "HW-069 / TM1637",
+    src: "/sensors/tm1637.jpg",
+  },
+  hw269test: {
+    label: "HW-269 white LED",
+    src: "/sensors/white_led.jpg",
+  },
+  smdky009ledtest: {
+    label: "KY-009 RGB LED",
+    src: "/sensors/rgb.jpg",
+  },
+  lcd1602atest: {
+    label: "LCD1602A + PCF8574",
+    src: "/sensors/lcd1602.jpg",
+  },
+  bletest: {
+    label: "Onboard BLE (ESP32)",
+    src: "/sensors/bluetooth_icon.svg",
+  },
+  wifitest: {
+    label: "Onboard Wi‑Fi (ESP32)",
+    src: "/sensors/wifi_icon.svg",
+  },
+};
+
+export function sensorMediaForProject(project: string): SensorMedia | null {
+  return BY_PROJECT[project] ?? null;
+}
diff --git a/messages/en.json b/messages/en.json
index 4a30966..7a89977 100644
--- a/messages/en.json
+++ b/messages/en.json
@@ -36,7 +36,9 @@
     "noneSelected": "Select a firmware card to see details and flash",
     "selectedLabel": "Selected",
     "docs": "Documentation",
-    "mediaPlaceholder": "On-device HTML UI preview will appear here"
+    "mediaPlaceholder": "On-device HTML UI preview will appear here",
+    "tabUi": "UI",
+    "tabSensor": "Hardware"
   },
   "install": {
     "cta": "Connect & flash",
diff --git a/messages/zh.json b/messages/zh.json
index 2a1ba72..5591821 100644
--- a/messages/zh.json
+++ b/messages/zh.json
@@ -36,7 +36,9 @@
     "noneSelected": "点选固件卡片查看详情并刷写",
     "selectedLabel": "已选",
     "docs": "文档",
-    "mediaPlaceholder": "设备界面 HTML 预览将显示在这里"
+    "mediaPlaceholder": "设备界面 HTML 预览将显示在这里",
+    "tabUi": "界面",
+    "tabSensor": "硬件"
   },
   "install": {
     "cta": "连接并刷写",
diff --git a/public/sensors/ATTRIBUTION.md b/public/sensors/ATTRIBUTION.md
new file mode 100644
index 0000000..8ab2a1a
--- /dev/null
+++ b/public/sensors/ATTRIBUTION.md
@@ -0,0 +1,36 @@
+# Sensor / hardware stills — attribution
+
+Images under `public/sensors/` are used only for the flasher catalog “Hardware” tab.
+
+## Wikimedia Commons (Creative Commons)
+
+| File | Source file on Commons | License (typical) |
+|------|------------------------|-------------------|
+| `dht.jpg` | AM2302 (DHT22) digital temperature and humidity sensor module | CC BY-SA (see Commons page) |
+| `pir.jpg` | PIR motion sensor for Arduino oblique view | CC (see Commons page) |
+| `lcd1602.jpg` | 16x2 Character LCD Display | CC (see Commons page) |
+| `button.jpg` | Tactile switches / related Commons photo | CC (see Commons page) |
+| `microsd.jpg` / `sd.jpg` | MicroSD / SD card Commons photos | CC (see Commons page) |
+| `speaker.jpg` | Loudspeaker / speaker Commons photo | CC (see Commons page) |
+| `rgb.jpg` | RGB LED Commons photo | CC (see Commons page) |
+| `led.jpg` | Red LED Commons photo | CC (see Commons page) |
+| `mic.jpg` | Microphone Commons photo | CC (see Commons page) |
+| `wifi_icon.svg` | Wi-Fi Logo.svg | Trademarked logo; used for identification of onboard Wi‑Fi only |
+| `bluetooth_icon.svg` | Bluetooth.svg | Trademarked logo; used for identification of onboard BLE only |
+
+Full license text and author credit: open the matching file page on https://commons.wikimedia.org/
+
+## Original studio stubs (no third-party copyright)
+
+Generated for this project (no brand marks):
+
+- `bh1750.jpg` — GY-30 / BH1750 style breakout
+- `sgp30.jpg` — SGP30 style breakout
+- `ld2420.jpg` — LD2420 style mmWave module
+- `tm1637.jpg` — TM1637 / HW-069 style 4-digit display
+- `buzzer.jpg` / `active_buzzer` source — active buzzer module
+- `white_led.jpg` — HW-269 style white LED module
+- `ttp223.jpg` — TTP223 style capacitive touch module
+- `sound_sensor.jpg` — digital whistle / sound module
+
+These are illustrative look-alikes, not manufacturer product photos.
diff --git a/public/sensors/bh1750.jpg b/public/sensors/bh1750.jpg
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