1 Why Cheap LED Lights Keep Glowing
ElectroBOOM explains why cheap LED lamps glow faintly when switched off, through stray capacitance in the wiring, and shows a resistor fix across the rectifier output.
Topic
repair
8 videos. Ranked by independent recommendations, not by views.
2 #135: Measure Capacitor ESR with an Oscilloscope and Function Generator
A w2aew tutorial on measuring a capacitor's ESR with a function generator and oscilloscope, recommended when diagnosing failing electrolytics in repair work.
3 Poundland 6W LED lamp teardown with schematic.
Big Clive's teardown of a mains LED lamp, cited to show how the bulb's driver and LED string are arranged and what voltages the LEDs run at.
4 Un-brick the FT232RL FTDI USB Serial Adapter
Linked as a fix for FT232RL FTDI USB serial adapters that appear bricked, restoring the USB product ID so the board is recognised again.
5 Desolder SMD without special tools
Shows a desoldering trick using a shaped piece of copper to heat every pin of a chip at once, suggested for removing chips without special tools.
6 How to use desoldering braid
A demonstration of desoldering braid lifting solder from joints, linked whenever beginners ask how to remove components cleanly.
7 How to Use multimeter DIODE MODE to find ANY motherboard fault.
Jessa Jones shows diode mode measurements on an unpowered board compared against a known good one to locate faults; often cited in board repair questions.
8 The tools I use and why I bought them.
Louis Rossmann runs through the tools on his repair bench and why he chose them, often linked for the microscope discussion.
