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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 project arises from the need to home-build a valid tuning control for a multi band...
PID-Control with 68HC11. STEPPER CONTROL. 68HC11 read encoder. High accuracy RPM-measurement with...
You won't be disappointed with the performance of this sensitive ultrasonic receiver. It can let...
A high impedance input is provided by Ql, a general purpose field effect transistor
The circuit useful for distortion measurements notches out the fundamental frequency of 1 kHz to...
When power is first applied to the circuit, 02 begins to charge via LED1, R3, and R4. When the...
Thanks to Don Klipstein ( [email protected]. com ) for his comments and additions to this document. His...
The power supply is pretty mundane. The 110VAC comes in on connector N17 and is hooked in series...
This is a design circuit for a low cost fm antenna booster that can be used to listen to programs...
A number of shunts and multipliers selected by a switch can be used in association with a single...
Here, it is a diagram of an Car audio active loudspeaker. The LF353 of, National Semiconductor....
This is where the fun begin - the sound is hmm. "organic". Everything seems to smooth a bit...
The nitrogen (N2) laser produces intense extremely short (a few ns) intense (100 kW typical)...
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