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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.
Tag Archives: ledil optics
Low cost bike light – Finished.
Here is the finished ‘low cost’ helmet light for my bike. Estimated output on high is 270lumen. The general overview. The LED, driver, optics and rotary switch assembly are mounted inside a 20mm diameter square aluminium tube. The LED is a single Cree XP-G mounted … Continue reading
Posted in Low cost lights.
Tagged bike light, bike lights, Cree, electronics, helmet light, Led lighting., LED lights, ledil, ledil optics, NiMh, optics, XP-G
4 Comments
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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Front Recumbent Lights Completed
I found the time today to knock up two more light assembly’s similar to the ones I already made. The difference with these is that they contain a much wider beam optics. These should create an oval shape directly in front … Continue reading
Posted in Trike Lights
Tagged Cree, ledil optics, recumbent light, recumbents, trike light, wide beam
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Handle bar mounted recumbent lights.
I may have solved my problem of how to mount the handlebar lights to the recumbent. I have found a commercial bike bike mount that I should be able to adapt for this project. Its durable enough according to some reviews, has a … Continue reading
Posted in Trike Lights
Tagged bike lights, Cree, LED, ledil optics, optics, recumbent light, recumbent trike, recumbents, XP-G
2 Comments
