What LED are you using in that picture?
Quote from: Kurtangletn on May 08, 2008, 12:13:40 PMWhat LED are you using in that picture?25 Degree 100ma Viewing angle from Dick Smith Electronics (www.dse.com.au). A Australian electronics and components retail outlet. (similar to USA - Radioshack)It doesn't work unless you point it directly at Wiimote ( no good for interactive white board).I have just ordered a range of IR-LED's (from 25 degree VA to 160 degree VA) and I'm going to run an experiemnt to see which viewing angle works best, will post results.benpaddlejones
Where are you getting the 160deg VA IR led from? DSE and Jaycar both do 25deg ones, and the waterclear ones from DealExtreme are 40ish deg.Im going to try RS Components and Farnell on Monday.
Thanks for the excellent tutorial! One question though: what about the 'radiant intensity' of an IR led. Does that play any role in selecting the most suitable IR led?
Quote from: apdewith on May 31, 2008, 04:38:41 PMThanks for the excellent tutorial! One question though: what about the 'radiant intensity' of an IR led. Does that play any role in selecting the most suitable IR led?I could be a little (or a lot) out of my depth but:My understanding is Radient Intensity is a measure of light emmited over a period of time. Given the Wiimote locks for Blobs either at the IR-LED or reflected on the whitebaord this is not overlly relievent. It is also a function of the forward current so that is a suitable measure of strength for us nOOb's. I welcome correction and advice from any Electronic/Physic Guru's though.benpaddlejones