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It seems like everything in this hectic world is going digital. This Wireless Router with Analogue Utilization Meter project takes digital information and presents it in an analog form. This has some serious limitations. I do not know whether the hardware (broadcom chipset) or firmware (dd-wrt) contains the sampling algorythm that drives the LED, probably the chipset. Here’s the first issue, an LED must be on for around 30mS for the human eye to register it properly. Networking packets are much much shorter than this. So the router must do a little math and translate real network traffic in to slower LED blinking. So there is a sampling loss, the LED is a rough approximation of the actual traffic. Then, I must boost the 3.3V which drives the LED up to 14V required for the rev counter (most automotive dials and meters like this are linear 0-12 or 14V) For this I used a basic op-amp circuit. Without some swanky Digital to Analogue conversion I again loose a lot of resolution. In the end, this is not a very good representation of the traffic bandwidth being used, but the further I got in to the project, the more it became an interesting object of art and less a solution to the original problem.”
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April 8th, 2007
OMG. I need to make one of these!
April 8th, 2007
Very nice to see a fusion of analog and digital in a item that looks as if it was made by a big company for mass production.
April 9th, 2007
that skype phone is awesome
April 9th, 2007
NIIIIIIIICE!
Gotta make me one.
April 9th, 2007
If only it displayed in kbps.
April 9th, 2007
Looks like the guys wood working skills are only matched by his electronic skills, good job 🙂
April 9th, 2007
Ya, I wish I had those wood working skills. If I attempted to build this there would most definitely be hot glue and duct tape involved.
April 14th, 2007
Thats nice, i like the old clock style 🙂