Three-phase asynchronous motor PTC protection circuits
Posted on Mar 28, 2007
New 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.....
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PID-Control with 68HC11. STEPPER CONTROL. 68HC11 read encoder. High accuracy RPM-measurement with...
The basic clock circuit (top schematic below) is similar to the binary clock (on another page)...
Applications such as photoelectric control, temperature detection and moisture sensing require a...
The logic probe can indicate four input states, as follows: floating input—all LEDs off
The trip point is set half way between the supplies by Rl and R2; R3 provides over 200 mV of...
A USB powered device with multiple IC`s. From what I`ve read it`s standard practice to use a...
FM Radio Receiver IC TDA 7012T is very simple, but it has an FM radio receiver sensitivity and...
This UHF antenna amplifier circuit or UHF antenna booster circuit can be used to amplify or boost...
Here is the circuit diagram of a fuse that has an automatic status indicator. This circuit can be...
Transformers made for powering large neon signs are inexpensive and very reliable. Most commonly,...
Neon glow lamps can also be used only for their U/I characteristic and not for producing light....
Later, I will use the same pivot table to list the parts out by each of the 8 phases in the...
The receiver circuit shown in FIG. Insert the plug XP radio headphone jack xs, when the radio...
And 3 gn same basic circuit, and the second stage is a differential output of the power MOSFET,...
C ,. C! Composition ratio circuit. Ri. C, constituting the shift shed circuit diode VDi - VD4...
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