tag:blogger.com,1999:blog-17253410894880196992024-09-07T13:25:32.353-07:00Wiring | Manual | Guide | how to | Owner | pdf booksUnknownnoreply@blogger.comBlogger372125tag:blogger.com,1999:blog-1725341089488019699.post-44118814495720115942014-02-04T22:00:00.001-08:002014-02-04T22:00:09.970-08:00

This design is inspired by the Minty Boost but it fixes some of the issues that I had with it. The Minty Boost is limited to 600mA due to the LT1302 chip. The Super Boost uses the LM2700 which can push up to 3.6A. This will enable i-devices to draw up to there maximum of 1A which will enable a faster recharge.

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-39013966501346176762014-01-11T04:00:00.001-08:002014-01-11T04:00:10.653-08:00

 Under this circumstance, cell phone jammer should be packed well.  In 1999, the Groups industrial sales revenue of 21.5 billion yuan. In August 1997, Haier was the State Economic and Trade Commission identified as one of the six first technological innovation pilot enterprises, focusing on supporting the impact of the worlds top 500. "Difficult first" strategy, insist on playing the

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-81391572179125630652014-01-10T17:00:00.001-08:002014-01-10T17:00:05.862-08:00

Here the short wave AM Transmitter circuit design diagram. The circuit is quite simple and easy to build since it applies only a few electronic components. The primary feature of this transmitter is that it really is absolutely free from the LC (inductor, capacitor) tuned circuit and runs using a fixed frequency of 12 MHz that is very stable. An LC based tuned circuit is inherently unstable

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-31377586154139271662014-01-10T16:45:00.001-08:002014-01-10T16:45:09.153-08:00

Simple Unipolar to Dual Supply Converter Circuit Diagram. 817V The outputs in this circuit are independently variable and can be loaded unsymmetrically. The output voltage remains constant, irrespective of load and changes. By varying potentiometers R2 or R6, the output voltages can be conveniently set. Outputs can be varied between 8 and 17 V, so that the standard ±9, ±12, and ±15 V settings

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-34297511731819972392013-12-27T18:15:00.001-08:002013-12-27T18:15:15.125-08:00

Sometimes amateurs like to home-brew their power supplies instead of purchasing one off the shelf at any of the major ham radio retail dealers. The advantage to rolling your own power supply is that it teaches us how they work and makes it easier to troubleshoot and repair other power supply units in the shack. It should be noted that there is no real cost advantage to building your own

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-43107886075507300582013-12-26T18:45:00.001-08:002013-12-26T18:45:09.520-08:00

This High-Voltage Supply Circuit Diagram uses a transistor oscillator and a voltage multiplier to charge CIO and CI 1 to a high voltage. When the spark gap breaks down, T2 produces a high-voltage pulse via the capacitance discharge of CIO and Cll into its primary. T2 is an auto ignition coil.Read : High-Voltage Pulse Supply Circuit Diagram High-Voltage Supply Circuit Diagram

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-5409574903468288132013-12-25T17:45:00.001-08:002013-12-25T17:45:08.810-08:00

This dc-to-ac inverter is based on the popular 555. A 555 oscillator circuit drives a buffer amplifier consisting of Ql, Q2, and Q3. The circuit operates at 150 to 160 Hz. Tl can be a 6.3-V or 12.6-V filament transformer as applicable.The frequency can be changed by changing the values of Rl and/or Cl.Simple Dc/Ac Inverter Circuit Diagram

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-75008619679556051162013-12-24T17:00:00.001-08:002013-12-24T17:00:16.608-08:00

These circuits are intended for remote monitoring of the current consumption on the domestic mains line. The circuit in Fig. I lights the signal lamp upon detecting a mains current consumption of more than 5 mA, and handles currents of several amperes with appropriate diodes fitted in the D, and D2 positions. Transistor Ti is switched on when the drop  across D,-D2 exceeds a certain level.

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-90972929449762040642013-12-23T17:15:00.001-08:002013-12-23T17:15:24.561-08:00

This is the Simple  RF Transmitter for PIR Sensors Circuit Diagram.

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-54856366828850845562013-12-22T17:30:00.001-08:002013-12-22T17:30:44.993-08:00

This is a Simple 2304 and 3456 MHz Power Amplifiers Circuit Diagram

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-92058323386752859172013-12-21T17:15:00.001-08:002013-12-21T17:15:38.256-08:00

Whenever Im in the car listening to my favourite CD, it always happens; my batteries go dead. To solve that problem, I built this extremely simple regulator circuit. It steps down the 12V from the lighter socket to 9V which is used by the CD player. Different CD players (I have a Sony DiscMan) may require different voltages, so just use the correct regulator. All the 78xx series regulators have

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-70086702720060737722013-12-20T17:30:00.001-08:002013-12-20T17:30:12.496-08:00

4 - 6 - 8 - 12 - 24 - 48 hours setting, LED or Beep Alert - 9V Battery SupplyA Pills Reminder is a device that operates a flashing LED (and/or a beeper) at a fixed hour interval. A choice of time-intervals as wide as possible is available with this circuit, namely 4, 6, 8, 12, 24 and 48 hours. At first you must choose the hour interval by switching SW1 to the desired value, then apply power by

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-58374564133368511662013-12-19T18:00:00.001-08:002013-12-19T18:00:14.995-08:00

Simple Automatic Water Pump Controller Circuit Diagram is a series of functions to control the Automatic Water Pump Controller Circuit in a reservoir or water storage. As the water level sensor made with a metal plate mounted on the reservoir or water tank, with a sensor in the short to create the top level and a detection sensor for detecting long again made the lower level and ground lines

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-40556996652808501972013-12-18T18:00:00.001-08:002013-12-18T18:00:44.148-08:00

The video amplifier in the diagram is a well-known design. Simple, yet very useful, were it not for the ease with which the transistors can be damaged if the potentiometers (black level and signal amplitude) are in their extreme position. Fortunately, this can be obviated by the addition of two resistors. If in the diagram R3 and R4 were direct connections, as in the original design, and P1 were

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-7937632322289680942013-12-17T18:00:00.001-08:002013-12-17T18:00:18.947-08:00

Derived from the Two-wire Lamp Flasher design, hosted on RED Free Circuit Designs since 1999, this astonishingly simple circuit allows one or two powerful 12V 21W car bulbs to be driven in flashing mode by means of a power MosFet.   Devices of this kind are particularly suited for road, traffic and yard alerts and in all cases where mains supply is not available but a powerful flashing

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-73542612752246487402013-10-10T05:45:00.001-07:002013-10-10T05:45:14.907-07:00

2004 Chevrolet Corvette Coupe 350  Wiring DiagramThe Part of 2004 Chevrolet Corvette Coupe 350  Wiring Diagram:power distribution, fuse block, turn signal, switch signal, ctrl module, panel cluster, power distribution schematic, multifunction turn signal lever, underhood fuse block, cruise control switch, powertrain control module, serial data, sedel data secondary, throttle actuator

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-38045260199935744392013-10-09T05:30:00.001-07:002013-10-09T05:30:05.384-07:00

One of the drawbacks of a three-pin voltage regulator is that the input voltage needs to be 2.5–3 V higher than the output voltage. This makes these integrated regulators unsuitable for battery power supplies. If, for instance, the output voltage is 5 V, a 9 V battery could be discharged to 7.5 V or thereabouts only. On top of this, most of these regulators draw a current of about 2 mA. Special

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-19603975171264826022013-10-08T06:15:00.001-07:002013-10-08T06:15:14.765-07:00

Overture Audio Power Amplifier Series Dual 20-Watt Audio Power Amplifier with Mute and Standby Modes The LM1876 is a stereo audio amplifier capable of delivering typically 20W per channel of continuous average output power into a 4 or 8 load with less than 0.1% THD+N. Each amplifier has an independent smooth transition fade-in/out mute and a power conserving standby mode which can be controlled

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-59717970909759812682013-10-07T07:15:00.001-07:002013-10-07T07:15:16.903-07:00

There are monitors which only have three BNC inputs and which use composite synchronization (‘sync on green’). This circuit has been designed with these types of monitor in mind. As can be seen, the circuit has been kept very simple, but it still gives a reasonable performance. The principle of operation is very straightforward. The RGB signals from the VGA connector are fed to three BNC

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-77246193065636688252013-10-06T06:15:00.001-07:002013-10-06T06:15:05.877-07:00

A small audio test generator is very useful for quickly tracing a signal through an audio unit. Its main purpose is speed rather than refinement. A single sine-wave signal of about 1 kHz is normally all that is needed: distortion is not terribly important. It is, however, important that the unit does not draw too high a current. The generator described meets these modest requirements. It uses

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-6896190804841194272013-10-05T05:45:00.001-07:002013-10-05T05:45:04.789-07:00

LOW NOISE WHITE LED DRIVER SYSTEM ELECTRONIC DIAGRAMThe LM3570 evaluation board has a chip enable pin (active high logic) as well as a PWM (active high logic) pin which allows current sources to be turned on and off without completely disabling the part..The LM3570 is capable of supplying up to 80mA of current split between the regulated current sources and VOUT. The LM3570 comes in National’s

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-25513881933022554542013-10-04T04:45:00.001-07:002013-10-04T04:45:20.530-07:00

YAMAHA R5C 350 ELECTRONIC DIAGRAMIt shows the connection between the parts such as the front flasher light, rear flasher light, flasher relay, battery, fuse, tail light, stop light, rear flasher light, rear stop switch, neutral switch, front stop switch, AC generator, coil, rectifier, regulator, horn, head light, tachometer, speedometer, high beam indicator light, rear flasher, front flasher, and

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-44346728571096418202013-10-03T04:00:00.001-07:002013-10-03T04:00:11.248-07:00

The electronic dog repellent circuit diagram below is a high output ultrasonic transmitter which is primarily intended to act as a dog and cat repeller, which can be used individuals to act as a deterrent against some animals. It should NOT be relied upon as a defence against aggressive dogs but it may help distract them or encourage them to go away and do not consider this as an electronic pest

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-19235336600541566712013-10-02T04:30:00.001-07:002013-10-02T04:30:09.513-07:00

In this simple circuit we give the chip a little more attention than usual. It is astonishing what can be built with a 555. We are always infatuated with simple circuits using this IC, such as the one shown here. The 555 is used here so that a single push-button can operate a relay. If you press the button once, the relay is energized. When you press it again the relay turns off. In addition, it

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-1725341089488019699.post-32145335913092561302013-10-01T05:00:00.001-07:002013-10-01T05:00:08.981-07:00

This circuit shows how far integration can be taken: IC1, a Type HT82207 from Holtek does virtually everything. Only a (small) loudspeaker and the necessary selectors need to be added. The standard 18-pin Type HT82207 is an integrated sound generator, producing sounds typical of the Old West. The various sounds are selected by S1–S6 as listed below. In the quiescent state, the circuit draws a

Unknownnoreply@blogger.com0