This second issue of the Bikelab Notes, published during my time building BEHEMOTH at Sun Microsystems, focuses on the high-brightness LED taillight assemblies. These were not commercially available at the time, so this was a hack. I also commented on the wonderful facilities that Sun provided and answered a few reader questions. This was an exqui
Click here to download the full size of the above Circuit.
site phase of the project, surrounded daily by interesting people who came by the lab to volunteer, observe, or share a bit of brainstorming. Well, this has certainly struck a chord! As of this writing, 367 people have responded to the announcement of reports from the bikelab. This is gratifying, and a little scary: now my blithe prediction of weekly publication has to be taken a little more seriously. You know, there is something subtle about this whole Grand Turing Machine project that I am just now beginning to appreciate. I touched on it in Issue #1 (where I commented that I am just project coordinator for the REAL wizardry that must be credited to industry), and it was brought into sharp focus by an article in the Oct 1 issue of EDN about Richard Stallman of the Free Software Foundation. It spoke of the hacker ethic, which encourages cooperation and free sharing of information with the general intent of building the best tools possible, unhampered by legal constraints. I believe in this, but I`ve also seen the awesome power of competition. It therefore seems that the best stance for me to take in publications about BEHEMOTH is to protect the intellectual property of my corporate sponsors, but otherwise disseminate the concepts and design details as widely as possible ” either for free, or in value-added form via the print edition of Nomadness. Industry has made this enterprise possible by...
This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of....
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is....
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to....
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This....
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the....
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,....
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the....
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power....
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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