Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
![PYXEL STUDIO Fluorescent 12" Circular Ring Light Bulb Round Tube 40w 5500k Daylight Colour Temperature 4 Pin T6 Light Lamp Replacement Spare: Amazon.co.uk: Electronics & Photo PYXEL STUDIO Fluorescent 12" Circular Ring Light Bulb Round Tube 40w 5500k Daylight Colour Temperature 4 Pin T6 Light Lamp Replacement Spare: Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/61rMli0FfdL._AC_UF1000,1000_QL80_.jpg)
PYXEL STUDIO Fluorescent 12" Circular Ring Light Bulb Round Tube 40w 5500k Daylight Colour Temperature 4 Pin T6 Light Lamp Replacement Spare: Amazon.co.uk: Electronics & Photo
![Sylvania 20142 - FC12T9/CW/RS -32 Watt T9 Cool White Circular Fluorescent Light Bulb, 12" Diameter : Amazon.co.uk: Lighting Sylvania 20142 - FC12T9/CW/RS -32 Watt T9 Cool White Circular Fluorescent Light Bulb, 12" Diameter : Amazon.co.uk: Lighting](https://m.media-amazon.com/images/I/51gXEYVzWPL._AC_UF894,1000_QL80_.jpg)
Sylvania 20142 - FC12T9/CW/RS -32 Watt T9 Cool White Circular Fluorescent Light Bulb, 12" Diameter : Amazon.co.uk: Lighting
![DIY How to Change a Circular Light Bulb | Ceiling Overhead Light | 22W Bulb [Circular Light Bulb] - YouTube DIY How to Change a Circular Light Bulb | Ceiling Overhead Light | 22W Bulb [Circular Light Bulb] - YouTube](https://i.ytimg.com/vi/O94_QkWQilg/maxresdefault.jpg)
DIY How to Change a Circular Light Bulb | Ceiling Overhead Light | 22W Bulb [Circular Light Bulb] - YouTube
![Pomurom Round Lamp Tube, 4.8 Inch 11W 4 Pin T4 Warm White Circular Fluorescent Bulb Replacement Tube for Magnifier Lamp, Circular Light Bulb Replacement for Ceiling Lights : Amazon.co.uk: Lighting Pomurom Round Lamp Tube, 4.8 Inch 11W 4 Pin T4 Warm White Circular Fluorescent Bulb Replacement Tube for Magnifier Lamp, Circular Light Bulb Replacement for Ceiling Lights : Amazon.co.uk: Lighting](https://m.media-amazon.com/images/I/41ge1jtBJKL.jpg)