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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 Keypad must be the kind with a common terminal and a separate connection for each key. On a...
Provides remote control for ac-powered devices by using the beam of a flashlight as a magic wand....
The circuit illustrates a method of interfacing a HEDS-1000 emitter-detector pair with a HA-5144...
This regulator delivers 90% efficiency at 12-V input, 5-V output. It uses an LT1158 and LT1431...
This circuit is a variable audio bandpass filter that has a low cutoff variable from about 25 Hz...
As you see in the circuit above the four pins "Controller pin 1", 2, 3 and 4 will control the...
This is a circuit diagram of amplifier circuit, these circuits have a 10W audio power amplifier...
I own a 2005 McGregor 26 sailboat. I had a Standard Horizon CP150C installed in my boat. I...
This circuit can be used for an assist in parking the car near the garage wall backing up Pls....
This accomplishing is acclimatized to rebroadcast the achievement of a CD player, television...
At many situations we need to display the amount of battery charge through some kind of...
This power supply circuit is designed around the garden variety 12VAC landscape lighting...
Quartz crystals have the property that their amplitude/phase characteristic repeats itself at...
The TV-B-Gone is a tiny infrared remote that can turn off almost any TV. A while ago, I ported...
Control pulses transmitted in blanking interval by tv network transmitter are decoded by receiver...
As shown in Fig having two temperature zones and thermocouple cold-junction compensation diode...
As shown in Figure as a + 24V, 1.9A power supply circuit. It 5G14D domestic integrated voltage...
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