Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
Velleman CIRCULAR FLUORESCENT TUBE 12W/T4 FOR VTLAMP10 | Leroy Merlin
22W/32W T5/T9 Circular Fluorescent Tube with Ballast - China Circular Lamp, Circular Tube | Made-in-China.com