LED Keeps Glowing After Switch Off: Causes and Fixes
Diagnosis and fixes for faintly lit LED lamp after switch off: causes like leakage current, faulty dimmers, wiring; troubleshooting steps and longevity tips.
Diagnosis and fixes for faintly lit LED lamp after switch off: causes like leakage current, faulty dimmers, wiring; troubleshooting steps and longevity tips.
Explains microcontroller delay loops, clock/machine/instruction cycle timing and practical LED examples (blink, running LEDs) with 8051 code and a reusable delay function.
LED display trends: market maturation and competition shift; priorities include energy efficiency, thin/light cabinets, standardization, and smaller pixel pitch.
Technical overview of the U6117D primary-side controller for LED lighting and chargers, detailing constant-current control, quasi-resonant buck operation and power ratings.
Technical guide to LED lamp troubleshooting: internal structure, LED driver and emitter failures, diagnosing no-light, dim output, and post-switch flicker with wiring fixes.
LED display installation and commissioning guide covering conduit and cabling, power and grounding, module assembly, network setup, testing and common fault diagnosis.
Overview of LED display types and typical use cases, covering rental, small-pitch, transparent, creative, fixed, monochrome, bicolor, full-color, indoor and outdoor displays.