F007 stable sine wave oscillator circuit diagram
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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 circuit can be easily built to a small plastic box with telephone connectors in both ends....
This is a simple single-zone burglar alarm circuit. Its features include automatic Exit and Entry...
Electrolytic capacitors are unnecessary to generate a 1 cps frequency. As an scs triggers on, the...
This regulated power supply consists of step-down transformer Tl, a full-wave rectifier bridge...
This Instructable covers the assembly of a circuit capable of PWM-ing ( pulse width modulating )...
A digital clock is one that displays time in digital format. The circuit described here shows the...
The two circuits below illustrate generating low frequency sine waves by shifting the phase of...
This indicates like LM3914 in dot-mode. It is a drawing i made made to troubleshoot a gadget,...
Typical F71T12 100 W bi-pin lamp used in tanning beds. Note the (Hg) symbol indicating it...
This is a fun and non-dangeros project for those people who like to throw projectiles...
Drive an ultrasonic transducer by using this driver circuit. I have a quesiton for this...
The power output of many transmitter circuits are very low because no power amplifier stages are...
Circuit As shown, it comprises an acoustic sensor, SK- voice circuit, relay control circuit,...
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