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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 instrument used to measure battery capacity. The battery may be charged to any current in the...
Numbered components are so designated for PC-board layout purposes. C5 and C8 are disc ceramic....
The pull-up transistor of the totem-pole output is used-to turn on the LED and the pull-down...
The "crossed-flags" topology of a monostable multivibrator. Also, this particular board happened...
So here is another improvised model circuit that will eliminate the unwanted DC offset voltage...
The moss-tiles belong to a series of RAD experiments in planting the ceiling for healthier and...
A gyrator is a circuit using active devices and transistors to simulate an inductor. In this case...
This application note describes the development and use of a Digital Weigh-Scale (DWS) using...
In Broadband networking and high speed computing applications, multiple high current, low voltage...
This circuit is a bistable multivibrator, or flip-flop. Click on the "set" input at lower left to...
This Wildcard requires 8 Volts or greater to be present on the V+Raw power rail. The V+Raw rail...
If you look into the bottom of a valve you will see the wires from each electrode and you can see...
This circuit allows you to set a limit on the maximum output current available from your PSU....
The TDA2040 is a monolithic integrated circuit in Pentawatt package, intended for use as an audio...
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