Electronics Handicrafts

Optoelectronics, Lightings and Solar

Project	Description
Universal HID Ballast - Part 2 May 31, 2026	General purpose HID lamp ballast for light bulb freaks. It can drive very small HID lamps in 15 to 50 watts and is in simpified design for easy build.
Fluorescnt Lamp and Ballast - Part.2 October 5, 2024	An experiment of AC powered fluorescent lamps.
LPS Lamp Ballast and Luminaire March 31, 2024	Two similar low-pressure sodium-vapor lamp ballasts and luminaires.
Automotive HID Ballast December 23, 2023	HID lamp ballast for automotive lamps.
Universal HID Ballast July 21, 2022	General purpose HID lamp ballast for light bulb freaks. It can drive common HID lamps in 20 to 100 watts.
Fluorescnt Lamp Driver June 28, 2016	An experiment of battery powered fluorescent lamp.
Stroboscope May 25, 2015	General purpose multi-function strobescope with internal triggered flash and external triggered flash.
LED Cocktail Light Sep 8, 2013	Variable color temperature LED light for photography.
LED Lantern Jun 11, 2013	An experimental project to build a SPMS based LED lantern with a tiny microcontroller.
Lighting LED Ballast and Light Head Apr 10, 2013	LED lamp is the latest device for generic lighting. This article describes to design and build LED ballast and lamp head.
Japanesque Ceiling Light Jan 1, 2005	This is a Japanesque ceiling light without any electronics. Everybody will able to build easy even if they have no electronic skill.
White LED Head Lamp Sep 3, 2002	A white LED head lamp which can operate with only two AA batteries. The LEDs are driven in constant current, so that the brightness is maintained until end of battery life.
Pocket LED Light Nov 23, 1999	An LED pocket light operates with only one cell of battery.
CD Strobe Scope [ja] Jul 25, 1999	This is a strobe scope. The disc is rotating but it looks still.
Using Xenon Flash Tube [ja] Apr 3, 1999	An experiment of the xenon flash tube.

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