Recent content by 1 what

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  1. 1 what

    Rear (tail) light for side visibility *and* keycam illumination

    Hi spk and welcome to CPF. We have discussed the taillight side illumination question at great length in the past. Some of us have designed and built multiple tail lights because we can't find suitable/adequate commercial ones especially when it comes to side illumination. See...
  2. 1 what

    LBL nosediving on rough roads

    I use "non-slip" floor/step tape. It's the sandpaper tape you see on stairs so people won't slip in the wet. Most big hardware stores have it with adhesive backing in a few widths. If you wrap that around the handlebar only a very loose bracket will rotate.
  3. 1 what

    Show us your bike light set-up

    I'm with Steve K. Great retrofit....looking really good. While I've done a couple of hand flashlights I've not done a cycle one - I might have to change that!
  4. 1 what

    Home made tail light for my bicycle.

    Hi Shein. Nice job. You'll find there are a few of us here at CPF who enjoy either designing or modifying bicycle taillights. Welcome to the "group". I especially enjoyed your reprogramme of the DX driver.
  5. 1 what

    2012 taillight review

    Thanks Matt. Nice review although I can't help but notice that most of them have very limited sise visibility.
  6. 1 what

    Designing good daytime rear commuter lights

    Hi Savvas, Yes – the “cigar” light with the “twinkle” driver. The picaxe microprocessor is very inexpensive and very easy to use in this type of basic way (that’s a pun since it uses “basic” prog language) if you’ve had any electronics education. Well worth the day or so you might spend getting...
  7. 1 what

    Designing good daytime rear commuter lights

    Savvas, Here is the cct using a picaxe 08M2 driving mosfets to turn the LEDs on and off. Both the R&Y LEDs had the same on/off sequence: ON 0.1 sec - OFF 0.1 sec - ON 0.2 sec - OFF 0.1 sec - ON 0.4 sec - OFF 0.1 sec The 2x 2.2 ohm resistors (by pure good luck) gave me a current of 740ma in the...
  8. 1 what

    Designing good daytime rear commuter lights

    Hi Sam, Always happy to help a chap avoid household tasks! It's a different circuit altogether. I'll try to draw it (and post) later tonight. Tom.
  9. 1 what

    Designing good daytime rear commuter lights

    In order of posting: Savvas - Yes microprocessors are for yuppies but when I was flirting with a more complex flash sequence they were the only way to go since you have infinite and rapid control over the sequence of loght flash as well as colour change and I was in the mood to play! Since I...
  10. 1 what

    Designing good daytime rear commuter lights

    Follow up re post 215. While I thought it looked great close up (both the colour change and the clever flash pattern) it was a failure. Even at 30 meters it was disappointing and would not attract a lot of attention since the detail of the pattern was lost due to the small size of the LEDs. Plus...
  11. 1 what

    Fat Boy's Copper Smoothie - IT LIVES!!

    Re: Fat Boy's Copper Smoothie Hi Old-Lumens. Welcome to CPF. Many of us here love home made lights especially when made from everyday items. We don't all have zillion dollar milling machines (although I wish....) Great switch for a first try - I'll be watching the evolution of this one with...
  12. 1 what

    Designing good daytime rear commuter lights

    The light in post 208 might be on its way to the History Museum! I was in my car a week ago and noticed one of those led emergency traffic noticeboards (in full daylight)...thought "those leds show up ok in daylight!" A little research and I discovered CREE Screenmaster 4mm x 5mm leds. Made...
  13. 1 what

    Triple XML Bar Light

    That shouldn't be a problem - I hear there are a couple of public holidays in the next week :) ps I've been told I'll be sleeping in the shed if i "make things" over this time - maybe best to make us wait.
  14. 1 what

    DIY bike light with some special features

    I've just found this post! Fantastic build! Congratulations.
  15. 1 what

    Triple XML Bar Light

    Very nice!
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