The gas detector designed this time is that have adopted the intelligence taking ARM microprocessor as the core to measure the control equipment, it not merely adopts the internationally advanced one-chip computer microprocessing of 1990s, also have the following characteristics: Adopt the appearance to use the amplifier, but automatic change-over quantum, has improved survey accuracy,
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the examining value calls the police accurately; The intellectual gas checkout equipment incorporates various functions into an organic whole, should not merely realize the basic function of the data acquisition of the gas density, controlling alarm etc. , and also want the measured data of real-time display, accept key entry at any time. In addition, should have communication functions such as friendly man-machine interface and uploading data, etc. If adopt the traditional sequential structure programming thought, it is very difficult to guarantee the real-time nature of data acquisition will be required, it is unable to deal with and make fast response to each target`s real-time information for the quick speed enough. The complexity of its programming will be raised greatly too, will maintain and revise on later stage when unfavorable to the procedure. And real-time operating system can make the rigorous estimation by situation such as being most broken preferably to running situation. Sex when in fact than before and after have much more better sets of system, can last request of incidents asynchronouses external system in time, finish the treatment to this incident within specific time, all real-time task coordinate of concurrent control runs concurrently. Proceed from reality this time, choose C/OS-II as the real-time operating system, let it manage each utility program, achieve the goal of optimizing the system...
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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