synth diy
Posted on Feb 4, 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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Using this circuit will give Good Charging results to the Gell Cell Battery used in the Metal...
A relay-based on/off controller on the other hand can be very efficient. A typical relay has a...
Virtually any NPN small signal transistor may be used in place of the BC 108 shown. Likewise any...
· This circuit is used for analog signal selection or time division multiplexing. As shown, the...
On occasion, microprocessors/microcomputers and microprocessor crystals just aren`t compatible...
*We were inspired by the following project, and looked at the code for it, but ended up...
Agy used for the first time Lilypad Arduino and LED s on a textile project called Blinky Bike...
Free-space optical (FSO) communication uses light as a medium to transmit data. We did...
Intercom or Inter communication circuit is a two directional communication system. It provides a...
Jim took the original EMT 140 design and improved it by using a plate material with a brighter...
This circuit detects when a window is open (it can also be used with a door), indicates that the...
The miniature transmitter module shown in Fig. 1, which just measures 34 mm x 29 mm x 10 mm, can...
This timer was designed mainly to switch off a portable radio after some time: in this way, one...
Novel timing switch circuit in addition to a general timing circuit "Variable Timing"...
3F155 circuit shown in FIG. It uses manual control mode. The figure, a self-excitation braking...
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