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- LED Projects (31)
- Low cost lights. (9)
- Trike Lights (20)
- Workshop LED light (5)
- Self indulgent (7)
- A Reprap Project (55)
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Recent Posts
- One step conversion of an image to gcode for Makerbot Unicorn and Reprap style 3D Printers
- DIY Dual H-Bridge to control a Pen Plotter
- Old-school Scientific Pen Plotter Teardown
- Playing around with a heated chamber design.
- MIT: 3-D printing with variable densities
- Mike Biddle: We can recycle plastic
- Printable PCB motor?
- Cryogenic Granular Grinding
- Drawing gears in Sketchup.
- 2011 – The year of the 3D printer?
- IceRap – Water deposition for ice printing?
- Constructing the ‘gunstrap’
- Rethinking the Mantis Repstrap.
- How to use cad.py.
- Using cad.py on a Windows PC
- CNC milling with RAMPS.
- Making endstops from printer photo interrupters.
- Printer Parts + Time = Repstrap.
- Workshop LED light – DIY Walk-through
- Hands on experience with an SEM.
- Arduino Mega & a character LCD.
- Solvent Compatibility and plastics.
- Getting acquainted with my Arduino mega.
- Recycling, storage and degradation of polymers.
- Using sketchup’s ‘Import Photo’ Function to model objects.
Category Archives: LED Projects
Battery Powered Work Light V2
I finally got around to revising the tipple XP-G worklight by converting it to be battery powered. Only a few changers were made to the original. Most notable is that a bracket has been added that extends downwards from the back of the light and … Continue reading
Posted in Workshop LED light
Tagged Cree, electronics, Led lighting., NiMh, power led driver, wide beam, work light, XP-G
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Tail Flasher for trike light.
Before the trike was sold I made up a tail flasher to make it more visible from behind. For the light I used an old LED back light that was used for a green LCD. The LCD was killed by mistake a long … Continue reading
Posted in Trike Lights
Tagged bike light, bike tail light, recumbent bike, tail light
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Low Cost Bike Light Construction
Found some time today to finally get started on a head lamp for my helmet. Its a fairly simple build this one with most of the parts being unmodified. Below you can see the 8xAA battery holder (4 on top, … Continue reading
Posted in Low cost lights.
Tagged bike lights, Cree, electronics, LED, led driver, LED lights, ledil, ledil optics, pencil beam, XP-G
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Super Simple LED Voltage Meter
Recently I took delivery of the parts needed to make the Sub$20 Bike light and a few other goodies. However being right in the middle of my exams I haven’t had as much time to play around as I would like. That said I … Continue reading
Posted in Self indulgent, Workshop LED light
Tagged LED, LED display, volt meter, voltage meter, zener, zener diode
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