ECE 3434 Electronic Circuits II
Posted on Feb 7, 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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The most popular LCD interface is the Hitachi 44780 based LCD controller chip which provides a...
One leg of the photocell (Rl) is tied to the +15 volt supply and the other end is connected to...
This is an on-off control with isolated, low voltage input. Since the switching action is very...
Circuit has a 1 Hz-to-30 MHz output, 150-dB dynamic range, for a 0 to 5 V input. It maintains...
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A digital micro-ohm meter is necessary to verify the condition of shunts used in the...
This Hi Fi stereo preamplifier ambit is congenital with TDA1054 IC from SGS. TDA1054 is a 16-pin...
The simplest of all motor controllers (besides a beeline on/off switch) is the contactor...
A 1999 Pontiac Montana. The information console that shows temperature, MPG, compass, etc. failed...
The following describes the design, construction, operation and use of the Multiple Target...
The LDR is a variable resistor whose resistance decreases with increase in light intensity. When...
The 8-lead plastic mini-DIP LM3909 IC was developed by National Semiconductor in the mid...
In the circuit shown, the special launch tube T2 and its peripheral parts form a high-frequency...
Crystal oscillators are those in which a specially-cut crystal controls the frequency....
Is using a dimmer HT7700A ASIC production keyed stepless dimming lights, make use SB single...
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