A microcontroller (MCU) is a small computer in a single integrated circuit consisting of a CPU is relatively simple combined with support functions such as crystal oscillators, timers, sensors, serial and analog I / O etc. Microcontroller designed for small applications. Thus, in contrast to microprocessors used in personal computers and high perf
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ormance applications, simplicity is emphasized. Some microcontrollers can operate at clock frequencies as low as 32KHz, because it sufficient for some applications, and enables low power consumption (miliwatt or microwatts). Microcontroller has the ability to maintain function while waiting for an interrupt; power consumption when idle (CPU clock and peripherals most off) may only nanowatts, so much of a microcontroller suitable for certain applications with battery / power supply that is more durable. Microcontroller is used for the production of devices with the performance of automatic and controlled according to the function and logic, such as automobile engine control systems, remote controls, office machines, equipment, electrical equipment, and toys. By reducing the dimensions and size of the device then the costs can be reduced compared with a design that uses a separate microprocessor, memory, and input / output devices, microcontroller makes the process of making a digital devices become more economical. Microcontroller AT89S51 type is MCS-51 microcontroller family with the exact same configuration with a fairly famous AT89C51, AT89S51 has a feature only ISP (In-System Programmable Flash Memory). This feature allows the microcontroller can be programmed directly in an electronic system without going through the Board or Downloader Programmer Board. Microcontroller can be programmed directly through a cable ISP...
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....
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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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