The Turn Of The Century Electrotherapy Museum Tesla Library
Posted on Feb 5, 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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The Inter-Power SWR-5 - upper right - "isn't worth a penny". Got it from a mate to use with a...
There is no need to resort to complex circuitry if what you are looking for is a simple power...
One of the more frequently requested projects on HeadWize has been a switchbox for selecting...
The circuit charges and discharges a capacitor at a crystal-controlled rate, and stores on a...
Useful for checking TV remote controls, IR-based alarm systems, and IR sources, this circuit...
This car audio amplifier circuit is based on LA47536 audio amplifier integrated circuit designed...
In this picture is everything you will need to make a self running power supply. The input is a...
This is a step by step guide to modifying the disposable camera flash unit that powers the Geiger...
The mini condenser microphone converts sounds into an electrical signal. Resistor R1 provides...
A design for a synthesised ATV transmitter covering the 13cm band and beyond up to about 2. 6...
A small biped walker made of 2mm plywood. Powered by two RC servos. it is a popular...
This antenna selector circuit diagram electronic project is designed using common electronic...
A 1996 Ford Windstar and the connector at the bottom of the console between the bucket seats...
This design is for PC Soundcards obviously. If you need an interface for a Mac see my other page....
Circuit shown in Figure 3-166. It uses the button control. When start forward, press SB], the...
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