// Thermal PCB Inspection

1 | Filmy4wap Ullu Web Exclusive

HotSpotter turns your USB thermal camera into a professional PCB inspection tool. Calibrated temperature readings, real-time thermal imaging, and multi-camera support — all in a clean Windows desktop app.

See Pricing Learn More ↓
HotSpotter scanning system in electronics lab with thermal PCB output on monitor

1 | Filmy4wap Ullu Web Exclusive

: Pirated versions are often low-resolution "cam" rips or heavily compressed files that ruin the viewing experience. ✅ How to Watch Ullu Exclusives Safely

We can't wait to share more about this series as it becomes available. Keep an eye out for trailers, cast reveals, and other behind-the-scenes insights that will get you even more pumped up for the release.

It provides high-definition (HD) versions of paid content, allowing users to bypass Ullu's subscription fees. Operational Tactics:

// See It In Action

Thermal scan of a Raspberry Pi 5 heating up

Pi 5 PMIC and surrounding components heating up — 4× speed

// Real-World Results

Thermal imaging at die level

An SP4T RF switch in a flip-chip QFN package, with DC current applied through one path to generate localised heating. HotSpotter resolves individual bond pad traces and pinpoints the die hot spot through the package — the kind of measurement electronics labs run every day.

Thermal image of SP4T RF switch showing die hot spot and trace routing through flip-chip package
SP4T RF switch — die hot spot and PCB trace routing visible through the flip-chip package. Captured with a Thermal Master P3 at 640×512.
Same thermal image with point measurement and ROI statistics overlaid
Point measurement and region-of-interest statistics overlaid in real time — min, max, and average temperatures at a glance.

Click an image to enlarge

: Pirated versions are often low-resolution "cam" rips or heavily compressed files that ruin the viewing experience. ✅ How to Watch Ullu Exclusives Safely

We can't wait to share more about this series as it becomes available. Keep an eye out for trailers, cast reveals, and other behind-the-scenes insights that will get you even more pumped up for the release.

It provides high-definition (HD) versions of paid content, allowing users to bypass Ullu's subscription fees. Operational Tactics:

// Supported Cameras

Works with your camera

HotSpotter supports popular hobbyist thermal cameras out of the box. Don't see yours listed? Contact us — new camera support is actively being added. 1 filmy4wap ullu web exclusive

InfiRay A1T

Compact 256×192 USB thermal camera. Plug-and-play UVC class device — no custom drivers required on Windows 10/11. Units are manufactured by Link-Card and may carry InfiRay sensors. : Pirated versions are often low-resolution "cam" rips

UVC · USB

Thermal Master P3

High-resolution USB thermal camera with vendor protocol. 640×512 native resolution. Requires USB 3.0 for full frame rate. 1 filmy4wap ullu web exclusive

Vendor Protocol · USB 3.0

Topdon HT-301

Compact 384×288 USB thermal camera with InfiRay sensor. UVC class device — works out of the box on Windows 10/11.

UVC · USB

More Coming Soon

Additional camera models are under development. Contact us with your camera model to request support.

Request via email

// Pricing

Software licensing

Machine-locked license key. No account needed. Hardware sold separately — contact us to enquire.

HotSpotter Annual

$149

Per year  ·  Machine-locked  ·  One seat

  • All supported cameras included
  • All feature updates during term
  • Windows 10 & 11
  • Machine-locked license key
  • Email support
Buy Annual — $149
Best Value

HotSpotter Lifetime

$299

One-time  ·  Machine-locked  ·  One seat

  • All supported cameras included
  • All future camera additions
  • All feature updates, forever
  • Windows 10 & 11
  • Machine-locked license key
  • Email support
Buy Lifetime — $299

Join the mailing list for hardware kit availability

// Getting Started

Software up and running in minutes

Manual license activation keeps things simple and secure. No account needed.

1

Purchase & Download

Complete checkout and download the HotSpotter installer from the link in your confirmation email.

2

Find Your Machine ID

Install and launch HotSpotter. Open the License dialog from the Help menu and copy your unique Machine ID.

3

Receive Your Key

Email your Machine ID to [email protected]. Receive your license key within 24 hours. Enter it once and you're done.

// System Requirements

What you need

HotSpotter is a lightweight Windows desktop application with minimal dependencies.

Operating System

Windows 10 or 11

USB

USB 3.0 port

Camera

Supported thermal camera