I apologize for my bad English, but I would really like to share my home-made.
This time I decided to make a simple flexible lamp to work in poorly lit places.
In contrast to the bulb with a wire, this option is much more convenient because you do not need to look for where to place the lamp
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For manufacturing, I needed a case from an old power supply, an E27 bulb connector, a wire and a flexible tube.
I took a flexible tube for the wire from an old table lamp
Pulling out all the elements from the power supply unit, I soldered the wires to the plug and insulated them and screwed the flexible tube to the case.
On the other hand, fasten and connect the connector for the light bulb.
After that, glued the power supply case
Step 5: Finish
Is done. It remains to screw the light bulb and you can use