motor-control-microcontrollers-miscellaneous
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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When building amplifiers, it is often necessary to test transistors, either to verify that they...
A small signal amplifier, perhaps of the type to follow the previous buffer amplifier. We will...
The circuit provides a simple and cost-effective solution to matching resistors and capacitors....
The door opener derives its power from a 9-V battery. A momentary-contact switch, 52, is...
Output voltage great enough to jump a l-inch gap can be obtained from a 12-V power source. A 555...
This circuit controls a solenoid by the operation of a single push-button switch. The circuit...
This circuit is useful if you need a low-energy flashing alarm. The 200 to 400-dc supply should...
In this part of the inquiry in a series of 5-band Equalizer circuits with a single IC BA3812 L. a...
The system of using this circuit is positioning a little magnet close to the stalk switch SW1...
When VOUT is very low during start-up or a short-circuit fault on the output, the switching...
To boost the output power of low power FM broadcast band exciters, a number of these are...
Crystal Y1 develops a 14. 31818MHz fundamental frequency clock signal. U31 is a Dual Voltage...
A MFM Encoder works according to the principle of time shifting and phase shifting. This method...
Need some program to set it`s channels to the maximum level, or write the full scale to the DAC....
After I built my KN-Q7 kitset 40m QRP single sideband (SSB) transceiver, described elsewhere on...
By ISO120 and INA105 instrumentation amplifier as shown, multiplexer constituted 600V battery...
FGDF-3 three-phase low-temperature iron plating main circuit KGDF-3 low-temperature iron plating...
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