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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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Here it is a brand new TX300 FM transmitter. The amplifier has exactly the same architecture as...
The convenience of selecting TV channels using your remote and then pointing the same remote to...
Often a circuit will be called upon to perform several functions. In these situations, the...
74HCU04 is a chip that was made for this purpose, HCT may not work for such a circuit. C1 and C2...
This circuit is a circuit diagram generator melody. This circuit controlled by the IC UM66. The...
Here is a 7 segment counter circuit based on IC 74LS90 TTL. This can be used in conjunction with...
This system is used to distribute IR commands around your house. This is useful if you have A/V...
Now you can burn microcontrollers in your home with less cost of making AT89S51 series...
Capacitive sensors are found in a wide range of equipment, from consumer electronics to...
Circuit Colpitts Oscillator schematics Circuit Electronics, Colpitts oscillator is very similar...
Here is the circuit diagram of an opamp based subwoofer filter. Audio frequencies below 200Hz are...
This pdf file shows the schematic diagram of my home-built circuit to drive the PDR-56 probe. A...
The circuit shows how to interface the ds1820 to microcontroller. As you can see the first pin is...
The reson this was made this was, was to make first installation fast an a local freiend 10km...
Adopt and put the intermodal servo preamplifier circuit as shown, the circuit is 115V, 60Hz servo...
Modems are devices that connect either remote devices to a computer, or two or more computers to...
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