Atmel 8051 Flash Based Microcontroller Programmer
Posted on Feb 7, 2014
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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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This circuit uses the popular and easy to find LM3914 IC. This IC is very simple to drive, needs...
This firmware is intended to run on Atmel ATmega163 (499 bytes for program memory) or AT90S8515...
This project is useful if you wish to experiment with absolute phase, or are just interested in...
Ql and Q2 form a constant current drive defined by R2. (I approximates to the reciprocal of R2 in...
A negative pulse at the input is fed via capacitor Cl to the input pin (2) of the IC, Pin 2 is...
The internal zener on pin 15 of the 4046B supplies a stable voltage to the 3140IC op amp. This...
Ambient light is increasingly being used as a source of energy. To help designers of such...
The sound produced imitates the rise and fall of an American police siren. When first switched on...
At this point you whistle into the receiver and the Infinity Bug will pick up the line. The...
Oscillation: C310 positive terminal voltage of about 300V, the R311, R312 is applied to the...
Circuit shown in Figure 3-157. The circuit can be used motor capacity of not more than llkW and...
Also known as no-shot multivibrator - often used as a pulse (square wave) signal sources. Astable...
As shown in FIG grounds PGA202 and comparators, counters constitute automatic range switching...
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