Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

Discussions of the need for a UVA Dosimeter are on topic.

Discussion of the design are not. Electronics_101 is an excellent place for that.

http://groups.yahoo.com/group/Electronics_101

Steve Greenfield AE7HD
moderator of both groups

--- In Homebrew_PCBs@yahoogroups.com, william casselberry <wcasse@...> wrote:
>
> If design and code was available, would you build one? What
> features should it have?
>  
> Uses
> ∗ Check your safe light
> ∗ Check your light box
> ∗ Check your photoresist
>
> ∗ Share results with group
> ∗ Consistent results regardless of light source
> ∗ Use the sun
>
>  
> Design ideas
> ∗ Battery powered
> ∗ Thin sensor at end of FFC (fit under glass)
> ∗ Display can be pointed in any direction
> ∗ Display dose in mJ/cm^2As for the photodiode, I thought that the ML8511 would
> work well. It outputs 1.0v at 0 mW/cm^2 (no UV light) with constant slope to
> 2.8v at 15 mW/cm^2 (lots of UV light).
>