16 LED Chaser
Posted on Dec 30, 2012
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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The Dallas Semiconductor (www.dalsemi.com) DS1722 digital thermometer allows measurement...
This circuit accepts bipolar control inputs of ± 5 V and provides a phase-chopped output to a dc...
This circuit is representative of the many applications of up/down counting in monitoring...
You can transform a 7415124 multivibrator into a wideband VCO by replacing it conventional fixed...
The following is an example for a very simple and high quality JFET preamp. You can use this to...
This is V2 update of Atmega8 Volt-Ammeter. This new version features the following upgrades, Low...
I am rewiring my entire house after a major malfunction of two antique knob and tube circuits....
The MAX1846 inverting circuit to implement a switch-mode power supply that provides a -15V at 0....
When speaking of fan control, there are generally 2 ways of doing it, linear control, and...
An Arduino Uno connected to two IR transmitters and respective receivers. Basically, when one of...
Actually this is the another version of my older DVM project that was based on PIC12F683. The...
And here is the final part of the entry, starting with the schematic that I finally used. The...
This circuit is connected to your motorcycle. It`s tapped into a circuit thats only powered with...
This slideshow is based on the LEDs Design Ideas Collection, a collection of LED-related reader...
This circuit allows an SPST momentary pushbutton to act as a push-on push-off switch, using a...
4000 Series 4011B is (NAND gate) by the 4AI NAND gate circuit group to form two loops unstable...
The design of the 40W Valve Amplifier is shown in the figure. In valve amplifiers the predominant...
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