Wein Bridge Oscillator Circuits
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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.....
Increased sensitivity gives field strength reading from low power transmitters. Operating range...
The supply receives -20 V from the rectifier/filter which is fed to the collector of the...
This general-purpose low-power (5 W) audio amplifier is suitable for driving a spe
This 40V dual power supply circuit was designed in response to a request made by Michael from...
This is a mini FM transmitter built and powered using 2 transistors, designed by Tony van Roon....
This project is developed to control up to 50 solid state relays individually. The project is...
This is the complete design for a microprocessor-controlled, environmentally sealed 8" video...
An electrically operated rolling shutter usually has a standard control panel with a...
This simple counter can be used to count pulses, as the basis for a customer counter (like you...
This launch controller can be used with low voltage battery igniters, which fire rocket engines...
Two KOSS A-1220 headphone amps. Each share the same model number, yet have completely different...
Even though today`s electrical appliances are increasingly often self-powered, especially the...
In industrial PLC applications, one of the old, but simpler methods of displaying numeric...
An RF condenser design, it was powered by 12v, supplied to the microphone via the mike cable...
If a strip of conductive metal is stretched, it will become skinnier and longer, both changes...
220V AC voltage through a capacitor C] buck, rectifier bridge pile UR were barrier-wave...
As shown in FIG INA337 constituted by the end of the load current measuring shunt circuit. Will...
As shown in FIG TOPSwitch FZ chip switching power supply circuit diagram is controlled by the...