The LED lamp blinks: after switching on and off. What to do if the LED light flashes after switching on. Causes of malfunctions in LED lamps. How to eliminate the flashing of LED lamps.

Relay of priority of loads: single-phase and three-phase. Advantages and disadvantages of a priority relay. Typical errors when connecting a disconnect relay of non-priority loads. Varieties of priority relays.

Smooth inclusion of incandescent lamps 220v: circuit for independent connection. Thyristor and triac circuit light controller for incandescent lamps. The principle of operation of the device for the smooth start of incandescent lamps.

How to connect a touch switch: device and connection diagram. What to do if the touch light switch works by itself. Touch switch repair. Additional functionality.

Voltage regulator for 12 volts: a circuit for self-manufacturing. Types of voltage stabilizers for 12 volts: step-down, pulse and linear. 12 volt voltage regulator for DIY LEDs.

Ground loop: traditional, deep and outdoor, wiring diagrams. The main design parameters of the grounded circuit. Indoor ground loop requirements. Measurement of the resistance of the protective device.

Power supply for LED strip: switching and dimmable. Scheme for the independent manufacture of a power source for LED strip. Where to hide the power supply of the LED strip. DIY power supply repair for LED strip.

LED garland: scheme, rain, curtain on the window, DIY repair. The device and scope of garland of LEDs. Typical damage to LED lights. Varieties of garlands in shape and appearance.

DIY LED strip light: chandelier, lamp, controller and power supply. Where can I use homemade LED strip lights. Types of diodes for homemade chandeliers. Materials and tools.

Current clamp meters for direct and alternating current: design and varieties. How to measure readings of direct or alternating current using special clamps. Technical parameters of current clamps.

How to set up a motion sensor for lighting: installation angle and lighting. Features tuning wireless sensors to turn on the light. How to reduce the sensitivity of the motion sensor for light.