Tan Timers
Posted on Feb 4, 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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This electronic speed control (ESC) for brushed motors combines the features of two of my earlier...
This circuit is used to measure the voltage on a 12V (nominal) lead acid rechargeable battery...
This is an easy to build stepper motor driver that will allow you to precisely control a unipolar...
Audio Jammer Noise generator for detector audio circuit
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Using a PIC12F675, up to 5 outputs can be switched sequentially using a standard Remote Control...
This article aims to show you how to control a DC motor though an H-bridge driver chip using the...
The key board here we are interfacing is a matrix keyboard. This key board is designed with a...
This simple circuit that can be used to flash incandescent lamps up to 10W power rating. The...
A simple telephone transmitter circuit that is ideal for transmitting the telephone conversation...
The RT320 and RT321 Clansman HF sets are designed for Upper Side Band (USB) operation only. This...
The Tube Screamer series of distortion/overdrive boxes from Ibanez has a reputation that has led...
The security of many electrical devices depends today on the availability of an earthed mains...
I bring you wiring diagram of PCs power supply of DTK company. This power supply has ATX design...
The 82C55 and 7 segment decoders on the display board will be changed to a group of shift...
They are op-amp based filters and are most useful in the audio frequency range. These parts...
This circuit is designed to operate an electrical door-release mechanism - but it will have other...
Almost all of the DC amplifier circuits are used as the input stage of the differential circuit....
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