// Thermal PCB Inspection
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.
// Features
Built for electronics engineers who need accurate, actionable thermal data — not consumer gimmicks.
Real-time calibrated thermal imaging from your USB camera. Full-frame streaming with configurable color palettes to reveal temperature gradients the moment you point the camera.
Pixel-accurate temperature measurement at cursor position. Uses proper raw sensor conversion (raw ÷ 64 − 273.15 °C) for scientifically meaningful readouts you can trust.
Works natively with InfiRay A1T, Topdon HT-301 (UVC) and Thermal Master P3 (vendor protocol), with more cameras being added. Plug in your hardware and HotSpotter handles the driver details.
NUC (Non-Uniformity Correction) support for consistent flat-field thermal accuracy. Per-camera lens configuration presets with user-editable profiles stored locally.
// See It In Action
Pi 5 PMIC and surrounding components heating up — 4× speed
// Real-World Results
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.
Click an image to enlarge
My Sister's Idol Trainee Friends is a South Korean film released in November 2020 . It is categorized as a drama/adult romance
and follows a story centered on the competitive and complicated relationships within the trainee world. Plot Overview The story follows
, who has recently been discharged from the military. He goes to stay at the accommodation of his younger sister, , who is an aspiring idol trainee. my sisters idol trainee friends2020 webdl 72 hot
While staying there, he meets his sister’s trainee friends, . The plot thickens as: The Rivalry:
Both friends develop feelings for the handsome Jae-hoon, leading to a "war" between the two women for his attention. The Proposal: My Sister's Idol Trainee Friends is a South
Feeling overwhelmed by their competing advances, Jae-hoon makes a surprising and unconventional proposal to both of them. Cast and Production Hyeon-joo: The film is often found in format with a runtime of approximately 73 minutes Мой Мир If you're looking for more details, I can find: stream or watch it legally. More information on the cast members' other works. Similar movie recommendations in the same genre.
Title: My Sister’s Idol Trainee Friends
Logline: When your older sister debuts as an idol trainee, you get unexpectedly close to her groupmates — leading to friendship, rivalry, and secrets. The practice room was humid with exhaustion
Sample scene (based on “2020 webdl 72 hot” – Episode 72, a tense/viral moment):
The practice room was humid with exhaustion. Episode 72 of “Dream Stage” had just aired, and the hot mic moment between Jaein and Hwiseo was already trending. My sister, Soojin, sat in the corner with her knees to her chest.
“They’re not just my friends,” she whispered. “They’re my rivals now.”
But when Hwiseo walked over and handed Soojin a protein bar without a word, I realized — the cameras saw rivalry. But I saw something else.
By mid-2022, the phrase “my sister’s idol trainee friends” had transcended the original file. It became a genre descriptor for low-budget, female-led, sad-realist web dramas about K-pop’s dark side. Several Korean indie filmmakers cited the 72-minute WEB-DL as influence for projects like Practice Room C (2023) and Debut Wait (2024).
On Twitter, search “MSITF72” returns fan art of the five faceless trainees. On Reddit’s r/kpopnostalgia, a pinned thread asks: “Has anyone found the original sister or her friends?” So far, no one has.
// Supported Cameras
HotSpotter supports popular hobbyist thermal cameras out of the box. Don't see yours listed? Contact us — new camera support is actively being added.
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.
UVC · USBHigh-resolution USB thermal camera with vendor protocol. 640×512 native resolution. Requires USB 3.0 for full frame rate.
Vendor Protocol · USB 3.0Compact 384×288 USB thermal camera with InfiRay sensor. UVC class device — works out of the box on Windows 10/11.
UVC · USBAdditional camera models are under development. Contact us with your camera model to request support.
Request via email// Pricing
Machine-locked license key. No account needed. Hardware sold separately — contact us to enquire.
HotSpotter Annual
Per year · Machine-locked · One seat
HotSpotter Lifetime
One-time · Machine-locked · One seat
Join the mailing list for hardware kit availability
// Getting Started
Manual license activation keeps things simple and secure. No account needed.
Complete checkout and download the HotSpotter installer from the link in your confirmation email.
Install and launch HotSpotter. Open the License dialog from the Help menu and copy your unique Machine ID.
Email your Machine ID to [email protected]. Receive your license key within 24 hours. Enter it once and you're done.
// System Requirements
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