If you are interested in seeing what is going on with your garden this Garden Monitor Project is something you should take a look at. It is using a Picaxe microcontroller and has an interesting home brew communication process. All of the schematics and source code are also provided. "One day we had a good hard rain and I could see it the graph of the data; the surface temperature
This Hyperbike looks like it would work well in the long sunny days of summer, the batteries should have a decent charge by the time it is needed for the trip home. "The Hyperbike feasibility study will investigate the influence of emerging storage and electric machinery and control technologies on electric bicycles (PEDELECS and work bikes). New opportunities arise from new efficient and lightweight electric machines, inverters (buck-boost) and
I haven’t seen Iron Man yet but it is on my list of movies I want to see. Looks like there are lots of gadgets in the film, including this Iron Man Repulsor Light made by Carlitos’ Contraptions. "Objective To build a very powerful LED flashlight mounted on my hand palm that would turn on and produce brighter light as I move my hand back (and the angle between
Tetranitrate has created a nice looking DIY LED Chess Set. It looks a bit time consuming to build, but the results are great! "Sixteen blue LEDs and sixteen green LEDs are glued inside the hollow recesses in the base of each chess piece. The positive contacts for the LEDs are wired to copper washers attached to the base of each chess piece. The negative contacts for the LEDs are
These videos demonstrate some interesting and dangerous jet engines. I think this would be a interesting hobby that would make your neighbors and insurance company hate you… I wonder how many garages have been burnt down with some testing like this.
This Underground Cable Tracer project could come in handy next time you are installing a fence. You could scout out the underground hazards yourself to plan where the posts will go. I would recommend that you call to have the utility company confirm your findings though since the equipment they have is very sensitive and they also have plans showing where the cables lie. "The Cable Tracer is a
I love the look of the old fashioned Box Simpson Meters. Have a look at this project that turns three meters into a functional clock! If that wasn’t enough it even synchronizes its time using NTP. "Each meter driver is a single opamp used to sum two signals, scale them and output the result to the meter. One signal is a voltage set between -12V and +12V (actually less
