Simple and easy most liked project with many practical applications in security and alarm systems for homes, shops and cars. It consists of a set of ultrasonic receiver and transmitter which operate at the same frequency. When something...
Friday, October 31, 2014
Thursday, October 30, 2014
Lighting Up Model Aircraft Circuit Diagram
Lighting Up Model Aircraft Circuit diagram : Lighting Up Model Aircraft Circuit DiagramAll signals are generated by a 4060 14-stage binary counter and some minimal output selection logic. Cycle time is determined by the way the internal...
using L200 Battery Charger Circuit Diagram
This is a simple circuit using L200 Battery Charger Circuit Diagram. A very simple battery charger circuit having reverse polarity indication is shown here.The circuit is based on IC L200 . L200 is a five pin variable voltage voltage...
Wednesday, October 29, 2014
Low Cost Universal Battery Charger Schematic
This is the circuit diagram of a low cost universal charger for NiCD - NiMH batteries. This circuit is Ideal for car use. It has ability to transform a mains adapter in to a charger . This one can be used to charge cellular phone,...
Tuesday, October 28, 2014
TDA7383 35W Car Quad Audio Amplifier diagram
The following a 4 x 35 watts channels/quad audio power amplifier circuit based IC TDA7383. The amplifier circuit is designed specifically suitable for car audio system applications. With a fairly large output power per channel, low...
Monday, October 27, 2014
Shift registers 74LS164
This is a TTL shift registers they use voltage source when using the 3V-5V. And it is often used along with the support of the NE555 oscillator in the lab. Image simulation.How it works: we only need to change in logic value at pin...
Know the Line Follower Robot
Line Follower Robot Glance - Line Follower Robot- a kind of robot which included into the category robotmobile are designed to work in an autonomous and have the ability to detect and move to follow (follows) the existing line on...
Thursday, October 23, 2014
Simple Inverter with Two Transistors
The series below is a simple inverter circuit that will change the voltage of 12v dc to 220v ac, with use drive transistor 32 as its tip. Inverter circuit is very simple and easy to assemble and is perfect for just starting...
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ADC 0804 Microcontroler Interface Engineering
Microcontroller Interface Engineering With ADC 0804In ADC 0804 interface techniques with microcontrollers are pin-pin control must be controlled if we want to use the ADC with the microcontroller, there is value addition refferensi...
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Saturday, October 18, 2014
MJ2955 78XX Increasing Regulator Current circuit and explanation
Notes:Although the 78xx series of voltage regulators are available with different current outputs, you can boostthe available current output with this circuit. A power transistor is used to supply extra current to the loadthe regulator,...
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Friday, October 17, 2014
Thursday, October 16, 2014
Simple Power Pulse Using by LM350 and NE555 Circuit Diagram
This is a Simple Power Pulse Using by LM350 and NE555 Circuit Diagram. This circuit can use to drive lamp,power LED,DC motor etc. Adjust R5 for output amplitude.Adjust R1 for output power .Power Pulse Circuit DiagramThe LM350 is adjustable...
12V to 120V DC DC Converter Circuit
12V to 120V DC DC Converter Circuit Here is a simple DC DC converter schematic using a saturation-limited to push-pull converter. DC converter can be used to power the VCR from a car battery and glow plug light aircraft models from...
Wednesday, October 15, 2014
Build a Fly back Transformer Driver Circuit Diagram
This is an efficient flyback driver for modern cylindrical rectified television flybacks. Many sites doesnt provide circuits driving these transformers, they simply say that they are bad.I dont agree. In fact I built this circuit....
Monday, October 13, 2014
An Alternative Pixie Known as The AP 80
Overview The project is an improved design of the Pixie which originally consists of an LM386 audio amp and just two transistors. Explanation The design of the circuit is very straightforward although it looks like complicated....
Muscular Bio Stimulator Circuit Diagram
Parts: R1______________10M 1/4W ResistorR2,R3,R4_______100K 1/4W ResistorsR5,R7___________10K 1/4W ResistorsR6_______________1K 1/4W ResistorC1,C2___________22pF 63V Ceramic Capacitors (See Notes)C3______________22µF 25V Electrolytic...
Thursday, October 9, 2014
Supply Voltage Indicator circuit and explanation
A novel supply voltage monitor which uses a LED to show the status of a power supply. This simple and slightly odd circuit can clearly show the level of the supply voltage (in a larger device): as long as the indicator has good 12...
Dome Lamp Dimmer circuit and explanation simple
Many autos run power to lamps with only one wire using the car body for the return current path so the dimmer must interrupt the positive lead as shown. Simply cut the wire leading to the lamp and connect the lamp end to the collector...
Wednesday, October 8, 2014
12v battery charger using transistors circuit
A very simple 12v battery charger circuit can be designed using a TIP3055 power transistor to limit the current to the battery by turning off when the battery voltage reaches approx 14v or if the current rises above 2 amp. This battery...
Sunday, October 5, 2014
TL494 200W ATX PC Power Supply
Here I bring you wiring diagram of PCs power supply of DTK company. This power supply has ATX design and 200W performance. I was drawed diagram, when I repaired this power supply. This power supply circuit uses chip TL494. Similar...
Friday, October 3, 2014
5 Watt Class A Audio Amplifier
On the day of the old valve, most commercial audio amplifiers suitable for compact integrated single discs or players used stereo amplifier topology of a single valve. The circuit is usually carried out through a multiple type valve,...
Tone Detector circuit diagrams and explanation
The following circuit diagrams are tone detector circuit diagrams which also known as sound activated switch circuit. Actually, these circuits use micro-controller for switching because the circuits were designed for robot start up...
Thursday, October 2, 2014
Simplest Single Phase Preventor Circuit for Three Phase Motor Potection
For a 3-phase induction motor,Lit is necessary that all the three phases of supply are present while it is on load. When any one of the fuses goes out, or a phase is missing, the motor will continue to run with two phases only,...
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