A volt DC power supply circuit
Posted on Mar 28, 2007
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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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A simple, time-honored approach is to use one or more 74*245 chips (normally the 74AC245 is...
This circuit furnishes an initial voltage of 2.5 V per cell at 25° C to rapidly charge a...
If you need a wide-range, resistor-programmable monostable multivibrator, you can program tbe...
100 W output at 50 MHz is available from this circuit. Ul and Q2 form a T-R relay driver,...
A quad op amp makes up the heart of this function generator. Ul-a generates a square wave, and...
When ONLY VR will supply power to circuit, then MCU again will get power from +5V bus, but FTDI...
An increasing number of appliances draw a very small current from the power supply. If you need...
This page is going to describe the parts, schematic, softw1are, and some tips on using Infrared...
This circuit uses a very simple approach to detecting smoke in the air. Quite simply, it uses a...
These were about $60 a pair with charger and batteries, and have a three-bar battery gauge. With...
Phase controlled AC voltage regulator, (a) Using back to back SCR and diode and (b) using inverse...
I have one Meanwell LED driver of 27V, 2300mA on hand and will be running 2 strings of 6 LEDs in...
The Metal-Oxide-Semiconductor Field-Effect Transistor, or MOSFET for short, is similar in many...
Voltage-controlled oscillator (VCO) is an oscillator that its frequency is controlled using a...
As shown in FIG Xin US recorders automatically circuitry. The circuit mainly uses a new power...
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