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Power Supply Circuits
mini inverter 10w 30w by transistor d313
This is small inverter on 30 watts, It converts DC voltage from 12V battery to AC 220V-230V at 50Hz which is electricity same use in your house. It can provide 2-3 Air pump or other. You will like them because so cheap and easy to builds. Then, what is it required. When look at its bottom will see that a special feature as Figure 2 notice Importan
SCR Mini Power Inverter
This be Mini Power Inverter , by use SCR be main part electronics , perform Oscillator Generator 400Hz give Output 300V by use Voltage Input 12V Current..
Triangle wave generator circuit with cmos inverter IC
This is a very Function Generater project. can be used Triangle and Squarewave Generator. The main parts are CD40106 popular CMOS IC and a normal transistor is..
A small bias on the bases of Q1 and Q2 via R1 and R2, assists in "starting" This gives each transistor`s base a small forward bias, so that both transistors tend to conduct when the circuit is first switched on [the base voltage on each transistor is zero when circuit is first switched on, so the small forward biasing thru R1 and R2 results in an
12V power inverter using 555 timer circuit
This 12V power inverter circuit can be used to power small power devices that need a 240 volts. This 12V power inverter circuit is very useful when you want to use a 240 volts consumer powered by a 12 volts car battery. In contrast to the usual feedback oscillator type of inverter, the oscillator of this inverter use a 555 timer connected as an
12 to 250V converter circuit diagram electronic project
A very simple portable 12 to 250V converter can be designed using this circuit diagram. This 12 to 250V converter is designed for portable use with a 12 V car battery. A built astabil multivibrator T1 and T2 generates a rectangular wave at a frequency of 50 Hz. As T1 and T2 drive alternative exit stage system also works in "push-pull". When T1 lea
Touch sensor switch using inverters
This touch sensor switch can is designed using inverters (N1, N2)and some common electronic components. In standby state at the entrances of N1 there is a signal produced by oscillator N3/N4. At the touch sensor hand capacity forms a bridge to the ground for the 1MHz signal so that the voltage signal at the entrance of N1 decreases more (at the ex
Hi, I am trying to use a Panasonic microwave inverter for a project I am experimenting with. I have limited knowledge with electronics but I can work..
DC to AC Converter 12V to 220V Voltage Converter
This DIY 12V to 220V DC to AC converter is built with CMOS 4047 that is the main component of this small voltage converter that transforms a 12VDC into 220..
Solar Inverter Battery Charger
Here is an energy saving solar inverter battery charger. It harvests solar energy to replenish 12 volt inverter battery. It has auto cut off facility to st..
DC to AC Inverter - 12V to 110V/120V Inverter
Here is a simple 12 volts DC to AC inverter circuit. This 120V AC power source is built with a simple 120V:24V or 110V:24V center-tapped control transforme..
low power inverter using cd4047
For basic requirements we can use Square Wave Inverters which is very simple, low cost and easy to make. But for driving inductive loads pure sine wave inverters are preferred. Here we are dealing with a Simple Low Power Square Wave Inverter using CD4047. It doesn`t include battery charging circuit which is present in most of the inverters. It can
3000 Watt Inverter
This is a very-very high power Inverter circuit which will give you very high AC power output 3000W. This inverter will convert 12 Volt DC Battery voltage into a square wave voltage of 50 cycles per second and duty cycle of 25%
MOSFETs and CMOS Inverter
Using measured threshold voltage and Ids-Vds curves, we can then check how well first-order MOSFET theory holds up in real devices and get a practical feel of the limitation of first-order theoretical MOSFET equation. The MOSFETs we will use in this experiment are from ALD1105, an IC containing two n-MOSFETs and two p-MOSFETs. A circuit symbol des
40W Fluorescent Lamp Inverter
This 40W fluorescent lamp inverter allows you to run 40W fluorescent tubes from any 12V source capable of delivering 3A. This is basically a larger version of the 12VDC Fluorescent Lamp Driver and can be used to light regular or blacklight tubes. # Wind L1/T1. You will need an AM antenna rod that is about 60mm (2. 5 inches) long to wind T1/L1 on. T
500W low cost 12V to 220V inverter
100W Inverter Circuit
Here is a 100 Watt inverter circuit using minimum number of components. Here we use CD 4047 IC from Texas Instruments for generating the 100 Hz pulses and four 2N3055 transistors for driving the load. The IC1 Cd4047 wired as an astable multivibrator produces two 180 degree out of phase 100 Hz pulse trains..
Cheap 12V to 220V Inverter circuit
Inverter Circuit For Soldering Iron circuit
Here is a simple but inexpensive inverter for using a small soldering iron (25W, 35W, etc) In the absence of mains supply. It uses eight transistors and a few resistors and capacitors. Transistors Q1 and Q2 (each BC547) form an astable multivibrator that produces 50Hz signal. The complementary outputs from the collectors of transistors Q1 and Q2...
Phase Selector (Flipper$2fInverter)
Inverter or ondulator, is an electronic circuit used to turn direct current (DC) into alternating current (AC). The function of an inverter is to change the voltage of entry of direct current (it normally comes from a battery of 12 or 24 Vdc) to an alternate voltage of exit (normally tension of network (net) 110 or 230 Vac).
555 based Voltage inverter Schematic
This circuit will convert a positive voltage to a negative voltage, while losing 1. 5 V (approximately). For example, if you`re supplying 9V to the circuit, the output will be -7. 5 V. This circuit can also be used as voltage doubler, by using the output as the new ground for another circuit.
inverter for household appliance
Already generated a voltage of 30 volts by using frequency generator and frequency to voltage converter, which stored in battery. Now I want to do inverter by taking 12v and convert it to 220v. What is the solution That`s a great idea and I`m also working on one such project of converting DC solar power generated by solar panels to AC power that...
The simplest inverter to understand is the single-phase inverter, which takes a dc input voltage and converts it to single-phase ac voltage. The main components of the inverter can be either four silicon controlled rectifiers (SCRs) or four transistors. Fig. 1 shows a typical inverter circuit that uses four SCRs, and Fig. 2 shows a typical inverte
The Buck Converter
The buck converter circuit is the basis for several other similar circuits called forward converters. The buck converter circuit and the input and output voltages for this circuit are shown in Fig. 1. This circuit would be connected directly after the power transformer. From the diagram notice that this circuit is fairly simple in that it consists
5000 watts power inverter
Unless you can get a custom made transformer your circuit design is ruled by the transformer available to you, if the primary winding is not center taped you are limited to an AB driver. The only transformer you can play with is a center tap primary, if the primary winding is center taped then you can use an A, B, C, and AB inverter driver and...
250 to 5000 watts PWM DC/AC 220V Power Inverter
The schematic circuit design is for a 250 watt output, while the pics are of my 1500 watts inverter that i built, to increase the power of the circuit you have to add more of the Q7 and Q8 transistors in parallel, each pair you add will increase your power by 250 watts, ex: to get 750 watts of power from the inverter you need to add in parallel...
16w 12v fluorescent inverter with AC output
This inverter will drive any fluorescent lamp between 8w and 20w but works best with 16w tubes. It preheats the electrodes and keeps them heated while..
12V Flourescent Lamp Inverter
Fluorescent tubes use far less energy than incandescent lamps and fluorescent tubes last a great deal longer as well. Other advantages are diffuse, glare-free lighting and low heat output. For these reasons, fluorescent lighting is the natural choice in commercial and retail buildings, workshops and factories. For battery-powered lighting, fluores
12V Regulated Inverter Supply
When running 12V electronic devices from lead-acid battery banks, the voltage to the appliance can vary from below 11V with discharged batteries, to well above 14V during charging. Many appliances will not tolerate such a wide fluctuation and may perform poorly or be damaged. This step-up inverter, combined with a 12V fixed regulator, is a good so
Free Energy Circuits
Battery Charger Circuits
AC-DC & DC-DC Circuits
Solar Cell Circuits
Current Limiting Circuits
Micro Power Circuits
High Voltage Circuits
Switching Power Supply Circuits
Ultrasonic distance finder circuit
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 measured. There are three main categories of distance measurement methods in use: a) By...
Simple Metal detector circuit with CD4030
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 find something potentially valuable, hidden a few centimeters below the soil. So many...
Fully automatic watering circuit for flower pots
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 circuit comes as a solution to this problem. Depending on humidity of the pot at...
Simple deep searching metal detector circuit
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 circuit of this metal detector, it is possible to detect a metal coin in depth of 90 to...
Sub-Harmonic Bass Converter for Electric Guitars
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, such as filtering or distortion. Instead, a frequency division system produces outputs...
Echo Depth Sounding Sonar for Boats
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 calibration of the rope. This arrangement still exists in some yachts. The big...
100W HiFi Audio Amplifier Circuit
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 supply must be symmetrical so that no electrolytic capacitors are needed at the outlet....
Plant-Pot Water Level Indicator Circuit
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. The circuit of the device is shown in Figure 2. The water detection is made from the bottom...
Analogue Sound Preasure dB-Meter Circuit
The best human ear can capture sounds from 20Hz to 20KHz. These limits are known to be the broadest that can exist. Normally the normal limits range from 100Hz to about 13KHz and depend on the age and health of the individual. We for our measurements and to have a good accuracy we will get the limits of 20Hz to 20KHz. A sound to be heard does...
Digital Signal Integrity
Interconnection and Timing of Digital Circuits
CMOS Circuits Tutorial