555-based solar engine
Posted on May 10, 2012
New Circuits
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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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Precision Frequency generator 1 to 999 Hz Precision Metronome 1 to 999 beats per minute. CMos...
Using only 2 capacitors, 3 resistors, 4 seven-segment Display, 1 xtal, 2 switches n.o. and 1...
I2C are widely use for to communicate with external peripheral such as port expender, EEPROM,...
Indicator provides an accurate comparison of two voltages by indicating their degree of balance...
This strobe gives a visual indication of a sensor input. The input signal causes Ul, a light...
The input and output data streams of the I and Q data channels are shown in Pi/4DQPSK System:...
Although the voltage across the two pins of our microphone will fluctuate based on the input...
Nowadays the most commonly available headphones have an impedance of 2 G— 32 ©, this relatively...
A number of shunts and multipliers selected by a switch can be used in association with a single...
This Digital Alarm Speedometer Circuit. It allows us to appraise the acceleration of any article...
TheM-8880 is a completeDTMF Transmitter/Receiver that fea- tures adjustable guard time, Automatic...
The Hopping Decoder is used together with the Hopping Encoder device to decode address data, key...
I need one to put in between my headphones and my metal detector. I don`t need anything fancy,...
I had always assumed that dynamic braking would be most effective at higher speeds. However,...
LTC1043 can be .png">induced through any of its current shunt supply rails. Many cells...
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