# Hardware & Peripherals — CapyToolkit Blog

For the full blog, see: [Blog](https://capytoolkit.com/blog/)

[Verifying LED Panel Driver Failures Before Desoldering: What Ohm's Law Covers That a Visual Inspection Misses](https://capytoolkit.com/blog/hardware/led-panel-driver-failures-verify-ohms-law-before-desoldering/): Measure power-rail voltage, decode resistor markings, and compute expected dissipation to decide if your LED driver is worth repairing before desoldering.
[Polling Rate Reality Check: How to Measure Your Mouse Hz Locally Before You Trust That 8000Hz Claim](https://capytoolkit.com/blog/hardware/polling-rate-8000hz-mouse-test-reality-check-local-verify/): Measure your mouse's actual polling rate locally in the browser before you buy based on an 8000Hz marketing claim.
[Achieving Perfect Audio-Video Sync in OBS Streams Using CapyToolkit's Webcam A/V Sync & Latency Meter](https://capytoolkit.com/blog/hardware/capytoolkit-webcam-audio-video-sync-latency-meter-obs/): Measure webcam-to-microphone latency using CapyToolkit's Webcam A/V Sync & Latency Meter. Apply the OBS Audio Offset for perfect A/V sync in your streams.
[Gaming Setup Verification: Test Monitor, Mouse, Webcam, and Gamepad Client-Side](https://capytoolkit.com/blog/hardware/gaming-setup-verification-test-monitor-mouse-webcam-gamepad-client-side/): Test your gaming peripherals client-side with CapyToolkit's zero-upload tools. Verify monitors, mice, webcams, and gamepads before competitive play.
[How Your Webcam Lies to You: Diagnosing Lighting, Framing, and Noise Without Uploading a Single Frame](https://capytoolkit.com/blog/hardware/webcam-lies-diagnosing-lighting-framing-noise-uploading-frame/): Your webcam hides flaws that degrade video quality, including uneven lighting, bad framing, and motion noise. Test everything client-side, no uploads, no logs.
[Diagnosing Gamepad Drift: Browser-Based Analog Stick Analysis with CapyToolkit](https://capytoolkit.com/blog/hardware/diagnosing-gamepad-drift-analog-stick-analysis/): Test your controller’s analog stick drift and deadzone accuracy entirely in-browser. Learn to read raw axis values, and diagnose hardware wear.
[Optimize Your Livestream: Client-Side Webcam Lighting and Framing Analysis](https://capytoolkit.com/blog/hardware/client-side-webcam-lighting-framing-analysis-for-content-creators/): Instant in-browser feedback to balance lighting, perfect framing, and verify resolution for professional livestreams and recordings.
[Web MIDI Keyboard Latency Testing and USB Input Diagnostics with CapyToolkit](https://capytoolkit.com/blog/hardware/web-midi-keyboard-latency-testing-usb-input-diagnostics-capytoolkit/): Test MIDI keyboards for dead keys, ghost notes, and USB-to-browser input latency using CapyToolkit's 100% client-side diagnostic suite.
[Measuring Mouse Input Lag and Polling Rates with CapyToolkit Local Tester](https://capytoolkit.com/blog/hardware/measuring-mouse-input-lag-polling-rates-capytoolkit-local-tester/): Learn to measure mouse input lag and polling rates using CapyToolkit's browser-based tool without cloud processing or data uploads.
[Testing Monitor Dead Pixels and Backlight Bleed with CapyToolkit's Local Display Suite](https://capytoolkit.com/blog/hardware/monitor-dead-pixels-backlight-bleed-capytoolkit-display-suite/): A practical walkthrough of running client-side display diagnostics for dead pixels, backlight bleed, and color uniformity without uploading a single frame.