Resistor change
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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The whole Construction : You can call the transceiver like this as "OZL type". Characteristics of...
It consisted of 16 LEDs in a circle with two touch pads. By placing your fingers on the touch...
Using the STK4038X audio amplifier IC, can be designed a very simple high power and efficiency...
This regulator is suitable for devices that need up to 1mA. For higher output current, the...
Feedback - This is where part of the output signal is fedback to the input BUT 180o out-of-phase...
For maximum range, the receiver must be designed in the same manner as a radio receiver front...
This circuit provides interferenced rejection for the CW operator. The 567 phase-locked loop is...
The single-chip, burglar -alarm circuit shown uses a dual 556 timer, draws 10 mA of standby...
When this circuit is connected to a filter and an oscilloscope, the scope displays the filter"s...
The first question we would like to answer is: what do we mean nowadays for video processing In...
The present reference is a special application of current source IC Type LM334. It has a tiny...
This negative oxygen ion generator circuit is composed of power supply steady voltage circuit,...
This circuit is an improved version of the Fig. 3-28 display, using a triangular-wave oscillator....
The applied microcontroller is an ATMega8 clocked at 16MHz. This microcontoller can shift out...
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