Blown-Fuse Indicator

 

This is a blown-fuse indicator for a dc power supply. When the fuse is intact, the transistor is base-biased into saturation. This turns on the green LED to indicate that all is OK. The voltage between point A and ground is approximately 2 V. This voltage is not enough to turn on the red LED. The two series diodes (D1 and D2) prevent the red LED from turning on because they require a drop of 1.4 V to conduct.

When the fuse blows, the transistor goes into cutoff, turning off the green LED. Then, the voltage of point A is pulled up toward the supply voltage. Now there is enough voltage to turn on the two series diodes and the red LED to indicate a blown fuse 

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Battery Charger, Volatge and Current Control

This project is not so important for those who ride a car every day. In my case, a car is not used every day. In that case, the voltage of a battery is falling and a car sometimes cannot be put into operation.

If the battery itself is left for a long period of time, the electricity of it will be lost by natural electric discharge. Furthermore, in the case of the latest car, various kinds of electric devices are always backed up more often with a battery. Therefore, even when the car is not being used, the electricity of a battery is consumed little-by-little.
I was creating and using the battery charger which used the solar battery before. However, it is not effective if the bad day of the weather continues.
Then, I decided to create a small charger. Because I assumed always charging during parking, the charging current is controlled by the current control circuit. Moreover, in order to prevent over charge, it can be made to perform a setup of maximum voltage. General-purpose 3 terminal voltage regulator is used for control of voltage and current by each.

Voltage control circuit

This is the circuit which controls maximum charge voltage, in order to prevent over charge of a battery.
For the control circuit, 3-Terminal Adjustable Regulator (LM317) is used.
A left figure is the basic circuit of the regulator. The voltage between Vout and ADJ is fixed and is 1.25V as standard.
Control of output voltage is performed by the value of R2.
Output voltage (Vout) is calculable by the following formula.
Vout = 1.25 ( 1 + R2/R1) + I_ADJ(R2)
I_ADJ is current which flows from an Adj pin and it is several 10µA. Therefore, this can be disregarded.
In LM3xx, there is a condition to decide the resistance for voltage control. It's Load Regulation. The load current 10mA or more is required for normal operation of a device. Therefore, it is recommended to set the value of R1 to 120ohms or less.

R1 is set to 100 ohms in this circuit. R2 in the above explanation turns into VR1+R2 of a schematic.
In an actual circuit, R2 is 560 ohms and VR1 is 2k ohms.
In case VR1 is 0 ohms, the output voltage is as follows.
Vout = 1.25 ( 1 + 560/100 ) = 1.25 x 6.6 = 8.25V
In case VR1 is 2k ohms, the output voltage is as follows.
Vout = 1.25 ( 1 + 2,560/100 ) = 1.25 x 25.6 = 32V
Therefore, the output voltage of this circuit can be controlled from about 8V to 32V.
Because a current control circuit is inserted behind this circuit, the final output voltage of a charger declines by 2-3V.

Current control circuit

7805 is IC circuit for making voltage regularity. However this time, this IC is used as a circuit which makes current regularity.
The left figure is drawn in the style of voltage control in order to make an understanding easy.
Even if it changes input voltage, 7805 operates so that the voltage between an ground terminal (G) and an output terminal (O) may be set to 5V. If a resistor R3 is connected between O-G, the current which flows into R3 will be set to I = 5V/R3. Therefore, the current which flows into R3 becomes fixed.
Because the current which flows into R3 flows also into load, if the value of R3 does not change, the current which flows into load is fixed. Conversely, if R3 is changed, the current which flows into load is changeable.

This figure is the circuit used this time.
First, I decided the value of R3. In this charger, because the maximum current is set to 500mA, as R3, it is made 5V/0.5A = 10 ohms. When 500mA current flows into a 10 ohms resistor, the power consumption of a resistor is I²xR = 0.5²A x 10ohm =2.5W. I am using the cement resistor of 5W in consideration of safety.
Next, I calculated the value of VR2. I assumed controlling in about at least 80mA. Therefore, R3+VR2 is 5V/0.08A = 62.5 ohms. R3 was 10 ohms, so the value of VR2 was set to 50 ohms. When 80mA current flows into 50 ohms, the power consumption of a resistor is 0.08² x 50 = 0.32W. I am using the variable resister of 2W in consideration of safety.
It is also possible to use LM317 for a current control circuit. However, there is a fault. In LM317, the voltage between O-G is 1.25V. In this case, the resistance for setting a current value to 500mA is 1.25V/0.5A = 2.5 ohms. It is 15.6 ohms for making it 80mA. Compared with 7805, it is a small value. Current control will become difficult if the error of resistance is taken into consideration.
Moreover, if a regulator with high output voltage is used, the power consumption of the resistor for control will increase more. For example, when the regulator for 12V is used, the resistance for making it 500mA current is 12V/0.5A = 24 ohms. And the electric power consumed by the resistor is 6W. For the above reason, I am using 7805 for current control.

R4 and C3 may not have necessity. In this circuit, the diode for preventing the reverse current from a battery is used. As for diode, ON state (state where current flows), and the OFF state (state where current does not flow) have clarified. If the voltage of a battery rises by charge and becomes higher than the voltage of a charger, current will not flow from a charger. Then the voltage of a battery falls by that cause and current begins to flow from a charger again. It will be oscillated if such a thing occurs for a short time. So, in order to suppress a rapid voltage change of a charger, I put C3. R4 is put in order to make C3 discharge. However, it seems that the voltage of a battery does not change so quickly in fact. Therefore, I think that it is satisfactory even if C3 and R4 do not use.

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INFRA RED TEST RECEIVER by: Dmohankumar

This circuit can operate a load such as LED, Buzzer or Relay for a period of  3 minutes through a Remote hand set. It uses the IR sensor module TSOP 1738 which operates in 38 KHz Infrared pulses.

The circuit is a Short duration Monostable  using 555 timer IC. Its trigger pin 2 is connected to the output of the IR sensor through R2 and LED. Normally the output of  IR sensor is low. But the timer IC will not be triggered because its trigger pin remains high through R3. When the remote hand set is focused on to the IR sensor and any one of the buttons is pressed, out put of IR sensor goes low and triggers the 555 IC. With the given values of the timing elements R4 and C2, output of the timer remains high for 3 minutes. By changing the value of R4 or C2 this time can be changed.

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NON-CONTACT POWER MONITOR

NON-CONTACT POWER MONITOR
By: D. MOHAN KUMAR
 

Here is a simple non-contact AC power monitor for home appliances and laboratory equipment that
should remain continuously switched-on. A fuse failure or power breakdown in the equipment going unnoticed may cause irreparable loss. The monitor sounds an alarm on detecting power failure to the
equipment. The circuit is built around CMOS IC CD4011 utilising only a few components. NAND gates N1 and N2 of the IC are wired as an oscillator that drives a piezobuzzer directly. Resistors R2 and R3 and capacitor C2 are the oscillator components. The amplifier comprising transistors T1 and T2 disables the oscillator when mains power is available. In the standby mode, the base of T1 picks up 50Hz mains hum during the positive half cycles of AC and T1 conducts. This provides base current to T2 and it also conducts, pulling the collector to ground potential  As the collectors of T1 and T2 are connected to pin 2 of NAND gate N1 of the oscillator, the oscillator gets disabled when
the transistors conduct. 

Capacitor C1 prevents rise of the collector voltage of T2 again during the negative half cycles. When the power fails, the electrical field around the equipment’s wiring ceases
and T1 and T2 turn off. Capacitor C1 starts charging via R1 and preset VR and when it gets sufficiently charged, the oscillator is e n a b l e d and the piezobuzzer produces a shrill tone. Resistor R1 protects T2 from short circuit if VR is adjusted to zero resistance. The circuit can be easily assembled on a perforated/breadboard. Use a small plastic case to enclose the circuit and a telescopic antenna as aerial. A 9V battery can be used to power the circuit. Since the circuit draws only a
few microamperes current in the standby mode, the battery will last several months. After assembling the circuit, take the aerial near the mains cable and adjust VR until the alarm stops to indicate the standby mode. The circuit can be placed on the equipment to be monitored close to the mains cable.

 
 

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Dual Audio Analog Switches

FEATURES

• “Clickless” Bilateral Audio Switching
• Guaranteed “Break-Before-Make” Switching
• Low Distortion: 0.003% typ
• Low Noise: 1 nV/√Hz
• Superb OFF-Isolation: 120 dB typ
• Low ON-Resistance: 60 V typ
• Wide Signal Range: VS = 618 V; 10 V rms
• Wide Power Supply Range: 620 V max
• Available in Dice Form

GENERAL DESCRIPTION 
The SSM2402/SSM2412 are dual analog switches designed specifically for high performance audio applications. Distortion and noise are negligible over the full audio operating range of 20 Hz to 20 kHz at signal levels of up to 10 V rms. The SSM2402/ SSM2412 offer a monolithic integrated alternative to expensive and noisy relays or complex discrete JFET circuits. Unlike conventional general-purpose CMOS switches, the SSM2402/SSM2412 provide superb fidelity without audio “clicks” during switching. Conventional TTL or CMOS logic can be used to control the switch state. No external pull-up resistors are needed. A “T” configuration provides superb OFF-isolation and true bilateral operation. The analog inputs and outputs are protected against overload and overvoltage. An important feature is the guaranteed “break-before-make” for all units, even IC-to-IC. In large systems with multiple switching channels, all separate switching units must open before any switch goes into the ON-state. With the SSM2402/ SSM2412, you can be certain that multiple circuits will all break-before-make. The SSM2402/SSM2412 represent a significant step forward in audio switching technology. Distortion and switching noise are significantly reduced in the new SSM2402/SSM2412 bipolar JFET switches relative to CMOS switching technology. Based on a new circuit topology that optimizes audio performance, the SSM2402/SSM2412 make use of a proprietary bipolar JFET process with thin-film resistor network capability. Nitride capacitors, which are very area efficient, are used for the proprietary ramp generator that controls the switch resistance transition. Very wide bandwidth amplifiers control the gate-to-source voltage over the full audio operating range for each switch. The ON-resistance remains constant with changes in signal amplitude and frequency, thus distortion is very low, less than 0.01% max. The SSM2402 is the first analog switch truly optimized for high-performance audio applications. For broadcasting and other switching applications which require a faster switching time, we recommend the SSM2412—a dual analog switch with one-third of the switching time of the SSM2402.
 

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How to Made Double Voltage

A voltage multiplier in its most basic sense works on the principle that "A CAPACITOR IS A CAPABLE OF STORING CHARGE AND THAT IT HAS THE SAME POTENTIAL AS THE SOURCE WHICH CHARGED IT". Now, the whole idea is that in an AC system you use capacitors in such a way that the net output voltage should be, say double of what you would otherwise get. This circuit will be called a voltage doubler. Now lets have a look at the action that actually happens to double the voltage.

 












The image you see is a schematic of a voltage doubler, few things to notice about it. The transformer gives output between points A and B. The load is connected between points A * and B *, but also there are two capacitors between those two points and point C is common to both.

Now to begin analyzing imagine a sine wave coming in. The first diode is forward biased and so conducts and in an attempt to do that it charges the first capacitor, now in the second half cycle of the wave the second diode is forward biased and so the second capacitor is charged. Now since the load is between the two capacitors, it is more like two batteries connected in series with each other.


Thus and the voltage in the series adds up, the net voltage across the load is twice the voltage that the transformer can deliver. Voltage multipliers are most commonly used at places where you wish to have high AC voltage when the transformer of the required rating is not available

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Electronics TL-Lamp 12 volt DC

By David Bradbury

The circuit shown in Figure below has been designed to drive an 8Wfluorescent lamp from a 12V source, using an inexpensive inverter based on the ZTX652 transistor. The inverter will operate from supplies in the range of 10V to 16.5V, attaining efficiencies up to 78% thus making it suitable for use in on-charge systems such as caravans / mobile homes/ RVs as well as periodically charged systems such as roadside lamps, camping lights or outhouse lights etc. Other features of the inverter are that it oscillates at an inaudible 20kHz and that it includes reverse polarity protection. Circuit Operation The 270W and 22W resistors bias a ZTX652 transistor into conduction, where the positive feedback given to the transistor byW1 drives it into saturation, thus applying the supply voltage across W2. This causes a magnetizing current to build up in W2 until the transformer’s ferrite core saturates. When this happens, the base drive given to the transistor by W1 decays, causing the transistor to rapidly turn off.

Transformer winding using ferite transformer here:

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How to Repair Fan Motor

If you have broken fan motor because of broken winding stator you can fixed it with easily just buy ones the winding stator motor like this. In my country it is about Rp 78.000 ($78).

But you must check the same size and type. And then wiring of the stator motor connect to cables like this:
A common wiring like this:
White Cable:  is main (center)
Capasitor: 1. Red <==> BLUE cables [of stator cables]
                 2. Black  <==>  Oranye cables [of stator cables]
                 3. other cables for speed control


In this case I fixed the "Miyako" fan with feature: Remote control, work by remote for:
1. On-Off 
2. Speed control of 3 condition
3. Timer: 1/2, 1, 2, 4 minutes combination sleep timer
4. Speed model : soft breeze wind,  and others

complete remote control circit at here

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USB to Serial Converter Home Made without Microcontroller IC - No need programming

USB to Serial converter home made without IC microcontroller or no need programming can realization using special IC for that. It is TF 232 BM. For more explanation will shown in this circuit:

At the PC side you need driver software (winxp and lower) but for win7 up no need driver.

Complete Circuit/Driver/Schematic can download at HERE

Most of today's PCs and notebooks began to leave the serial port and switch to USB. The use of USB is more practical because in addition to its speed higher, this port has a 5 volt voltage source that can be used to provide resources on an electronic system that is connected to it. While today most electronic devices are still using the port RS232 communication with PC media. To bridge these problems  so many products launched USB to RS232 which makes electronic devices is still detected as COM (RS232 port) on the PC or notebook. Old software that was previously still using COM does not need to be changed  again because the device is still considered to communicate with COM (Port RS232) But most of USB products on the market toRS232 still using 12 Volt +/- level on the microcontroller whereas RS232 can only use TTL level 0 / + 5Volt just so needed IC MAX232 again to communicate with this module. 

RS232 Converter production has TTL level 0 / + 5 volts on the RS232nya so it can be connected directly to the microcontroller system without using a MAX232.
Installation HOME MADE USB - Serial Converter:
- Connect the USB cable to a PC's USB port and USB port Home Made this circuit
- Power LED indicator will indicate the presence of active voltage source Module enters the This circuit
- Windows will ask for the driver of the module to be installed

Driver installation step by step:

 

To testing connection use Hyperterminal

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Step Down Power Supply Up to 30A Output

This circuit is so simple for step down power supply with the one IC controller like this

Key Features

• Fully-encapsulated dual step-down switching power supply
• Up to 100W output from a 17mm square PCB footprint
• Dual 15A or single 30A output
• Up to 95% conversion efficiency
• 4.5V to 20V input voltage range
• 0.6V to 6V output voltage range
• 1.5% output voltage accuracy with differential remote sensing
• Up to six modules may be paralleled to support 180A output current
• Output over-voltage, over-current and over-temperature protection
• Full power operation without heat sinks or fans
• QFN package with exposed leads permits easy probing and visual solder inspection

Description

The ISL8225M is a fully-encapsulated step-down switching power supply that can deliver up to 100W output power from a small 17mm square PCB footprint. The two 15A outputs may be used independently or combined to deliver a single 30A output. Designing a high-performance board-mounted power supply has never been simpler -- only a few external components are needed to create a very dense and reliable power solution.

Automatic current sharing and phase interleaving allow up to six modules to be paralleled for 180A output capability. 1.5% output voltage accuracy, differential remote voltage sensing and fast transient response create a very high-performance power system. Built-in output over-voltage, over-current and over-temperature protection enhance system reliability.

The ISL8225M is available in a thermally-enhanced QFN package. Excellent efficiency and low thermal resistance permit full power operation without heat sinks or fans. In addition, the QFN package with external leads permits easy probing and visual solder inspection.

Applications

• Computing, networking and telecom infrastructure equipment
• Industrial and medical equipment
• General purpose point-of-load (POL) power

ALTERNATIVES

If you need high voltage or more headroom, you can move to the ISL8240M dual 20A/single 40A step-down power module, which is pin-to-pin compatible with the ISL8225M, and is well suited for power hungry ASIC, FPGA and microprocessor loads in infrastructure systems. Current sharing and phase interleaving allow up to 6 modules to be paralleled for up to 240A of current. 

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AC Led from 220V AC Line

This circuit will show you how to build your own balm with diode LED AC line 220V/50Hz. This circuit is so simple just make DC current from the AC line trough bridge diode, but you must READ carefully its DANGEROUS seriously is HOT CIRCUIT make sure to be carefull.

It can be output 3 Watt or 5 Watt and read the C1 value for it. If  3 watt LED can flow 40 V DC 16 serial LED C1 must be 1000nF/400V. The ouput 5 watt C1 must be 1200nF/400V  the led be serial 24 LED.

The result:

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TV Remote Control Jammer

In this circuit I found from DMohanKumar site, so thi circuit copy Right to him.In simple explanation this circuit will produce frequency at 38Khz be transmitter by Infra Red, This 38Khz frequency will jamm the frequency of remote control of your TV box. For valid and frequency tunning just adjust VR potensiometer as variable resistor

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IC LM 555 as eazy and cheap TIMER

IC 555 most popular as multivibrator and can design as easy and cheap timer like this circuit. The TIME that you want as timer be calculate:

1.1R∗C

A relay timer circuit using the 555. On pressing the switch the relay is activated for a time determined by 1.1R∗C, where R∗ equals 100k plus the setting of the 470 kW variable and C is the capacitor value that has
been selected by the switch. Note the use of diodes to prevent latch-up and damage to the IC when the relay isswitched off.

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TDS tester Home Made DIY

TDS METER is a worthy water Consumption Threshold measure.Pure water or water that is not contaminated is usually a maximum of 3 ppm only. -Meanwhile, according to World Health Organization (WHO) drinking water worthy no more than 50 ppm. Ministry of Health Government of Canada limit to 40 ppm. Parts per million (ppm) is the description of solute or equal to milligrams per liter.

Standards Compliance issued by NSF (National Sanitation Foundation), clean and pure water has a TDS <40 ppm. TDS itself stands for Total Dissolved Solids, the number of solid elements or compounds that are dissolved in the water such as aluminum, iron, silver, zinc, manganese and salt.

Electrolysis Elektrolyzer tool is a simple tool that can be used to determine whether the water contains minerals in the test or not.

Electrolysis process is a process of separation of the chemical components into elements by using electricity.

In general, such a device with a 4 foot box made ​​of metal electrodes with a negative pole and a positive charge, which, if passed by the flow of electricity and dipped in electrically conductive fluid (which no minerals), the negatively charged chemical elements would lead to the positive pole, and vice versa, positively charged elements that will lead to the negative pole.

Elektrolyzer able to decipher the workings of the bonds or the release of dissolved solids in the water through the system anode cathode. This tool is suitable to determine the level of turbidity in the water or Total Disolved Solid (TDS).

Schemaic:

Some Picture:

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You wana download ATMEL Studi without sign up

If you want to download ATMEL studio 6.1 without sign up just open this link this

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Battery Lead ACID, Battery MF Simple charger for ACCU

I have been build my own simple charger for my battery  grabs from my motor bike. The Battery is Yuasa MF 12 Volt 3.5AH that mean for 1 hour can supply current 3.5 Ampere 12 volt.
The main circuit is:

Circuit in picture

Componen: Transformator 10A 20volt AC be directed made Direct Current  by diode 10A, Ampere meter, Volt meter and 12V/25watt bulb then connection to my battery.

The principle of charger is suply must high voltage then voltage of accu voltage. The bulb function is for voltage compensation and current flow control. For better charger circuit the must have capacitor at diode rectifier. Electronics Capacitor about 2200uF/63Volt DC or higher capita and voltage.
Some picture:


The MF Accu Battery to charge in this experiment

Voltage and Current Display

In action to charger ACCU MF YUASA 3.5 AH

After charger comple, to test with LED Luxeon

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LED flasher CIRCUIT FOR AC

Here some circuit for flasher LED direct from main 220-230 VAC. Complete circuit. PCB and explanations.
All can be download at Future Kit

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Use KWH Digital As Power Meter

Now days we can buy pulse/token for electricity in our house. This use a prepaid pulse for electricity like this picture. This KWH meter can make us to measure Voltage, Current, dan Power...so its easy to identify what load and our home its need big current, so for save energy use as used is need it then turn off.





So now is easy

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DIY Parking Alarm system

Is easy build parking alarm system, just using ATmega8, sensor ping and Piezzo.










The circuit PING SENSOR:
* +V connection of the PING))) attached to +5V
* GND connection of the PING))) attached to ground
* SIG connection of the PING))) attached to Pin 13 Atmega8








The circuit Piezo:
* attached to pin 15 atmega8
* attached to ground


This parking alarm will be generating alarm sound if the car closed to any object less than 25 cm.

Here the firmware you can copy and save it in notepad save as parkingalarm.hex then upload to your atmega8.

:100000000C9472000C949A000C949A000C949A0030
:100010000C949A000C949A000C949A000C949007FB
:100020000C949A000C949A000C949A000C949A00E8
:100030000C949A000C949A000C949A000C949A00D8
:100040000C9474010C949A000C948A030C94D103C0
:100050000C949A000C949A000C949A000C949A00B8
:100060000C949A000C949A0005A84CCDB2D44EB9C9
:100070003836A9020C50B9918688083CA6AAAA2A4B
:10008000BE000000803F00000000240027002A007E
:1000900000000000250028002B00000000002300C5
:1000A00026002900040404040404040402020202D9
:1000B000020203030303030301020408102040802B
:1000C00001020408102001020408102000000007AB
:1000D0000002010000030406000000000000000010
:1000E0000200370511241FBECFEFD8E0DEBFCDBF21
:1000F00011E0A0E0B1E0E6E1FAE102C005900D9266
:10010000AE31B107D9F711E0AEE1B1E001C01D9207
:10011000A93EB107E1F710E0C4EED0E004C0229799
:10012000FE010E94050DC23ED107C9F70E94870556
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:100170000E94150287E060E00E94990287E060E03B
:100180000E945A0287E061E020E432E44FE050E050
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:1001A00040E050E00E94E80C79018A016D2D7C2D21
:1001B0008B2D9A2D24E930E040E050E00E94E80CBD
:1001C00085EB91E0BA01A9012AE030E00E946706C0
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:1001E000B801A7012AE030E00E94670685EB91E0A4
:1001F00065E071E00E94A70685EB91E00E94C005D2
:100200008AE1E816F104010511050CF04AC0C0E0CE
:10021000D0E0BE01882777FD8095982F0E94060BBD
:1002200022EA35EF4EE85CE30E94B60B0E94190CFF
:100230007B018C0160931E0170931F01809320014C
:100240009093210120E030E04AE754E40E94B60B8D
:100250000E94D30A6053784F709323016093220168
:1002600085EB91E0B801A70122E030E00E9445074C
:10027000609122017091230180910A0120E030E019
:1002800040E050E00E94EC0765E070E080E090E024
:100290000E94BC012A9681E0CE30D80709F0B9CF80
:1002A00004C080910A010E94790764E670E080E052
:1002B00090E00E94BC01DF91CF911F910F91FF90C0
:1002C000EF90DF90CF90BF90AF90089585EB91E0D5
:1002D00040E855E260E070E00E940C0480910A0161
:1002E00061E00E945A0208951F920F920FB60F927A
:1002F00011242F933F938F939F93AF93BF9380913C
:10030000280190912901A0912A01B0912B013091EF
:100310002C010196A11DB11D232F2D5F2D3720F03B
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:1003300090932901A0932A01B0932B01809124016D
:1003400090912501A0912601B09127010196A11D50
:10035000B11D8093240190932501A0932601B093B1
:100360002701BF91AF919F918F913F912F910F9056
:100370000FBE0F901F9018959B01AC017FB7F894AA
:100380008091240190912501A0912601B09127012F
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:1003A0007FBFBA2FA92F982F8827860F911DA11DD7
:1003B000B11D62E0880F991FAA1FBB1F6A95D1F774
:1003C000BC012DC0FFB7F8948091240190912501C4
:1003D000A0912601B0912701E6B5A89B05C0EF3F8B
:1003E00019F00196A11DB11DFFBFBA2FA92F982F9B
:1003F00088278E0F911DA11DB11DE2E0880F991F66
:10040000AA1FBB1FEA95D1F7861B970B885E934006
:10041000C8F2215030404040504068517C4F211577
:1004200031054105510571F60895019739F0880F9E
:10043000991F880F991F02970197F1F708957894F3
:1004400084B5826084BD84B5816084BD85B58260D9
:1004500085BD85B5816085BDEEE6F0E08081816077
:100460008083E1E8F0E01082808182608083808177
:1004700081608083E0E8F0E0808181608083E1EB4F
:10048000F0E0808184608083E0EBF0E08081816037
:100490008083EAE7F0E080818460808380818260ED
:1004A00080838081816080838081806880831092D6
:1004B000C1000895CF93DF93482F50E0CA018854BC
:1004C0009F4FFC0134914C555F4FFA018491882372
:1004D00069F190E0880F991FFC01EA57FF4FA59141
:1004E000B491FC01E057FF4FC591D491662351F4BC
:1004F0002FB7F8948C91932F909589238C938881B2
:1005000089230BC0623061F42FB7F8948C91932F3C
:10051000909589238C938881832B88832FBF06C075
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Changes to Google Privacy Policy and Terms of Service

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Dear Google user, We're getting rid of over 60 different privacy policies across Google and replacing them with one that's a lot shorter and easier to read. Our new policy covers multiple products and features, reflecting our desire to create one beautifully simple and intuitive experience across Google. We believe this stuff matters, so please take a few minutes to read our updated Privacy Policy and Terms of Service at http://www.google.com/policies. These changes will take effect on March 1, 2012.
One policy, one Google experience
Easy to work across Google Our new policy reflects a single product experience that does what you need, when you want it to. Whether you're reading an email that reminds you to schedule a family get-together or finding a favorite video that you want to share, we want to ensure you can move across Gmail, Calendar, Search, YouTube, or whatever your life calls for with ease.		Tailored for you If you're signed into Google, we can do things like suggest search queries – or tailor your search results – based on the interests you've expressed in Google+, Gmail, and YouTube. We'll better understand which version of Pink or Jaguar you're searching for and get you those results faster.		Easy to share and collaborate When you post or create a document online, you often want others to see and contribute. By remembering the contact information of the people you want to share with, we make it easy for you to share in any Google product or service with minimal clicks and errors.
Protecting your privacy hasn't changed Our goal is to provide you with as much transparency and choice as possible, through products like Google Dashboard and Ads Preferences Manager, alongside other tools. Our privacy principles remain unchanged. And we'll never sell your personal information or share it without your permission (other than rare circumstances like valid legal requests).		Got questions? We've got answers. Visit our FAQ at http://www.google.com/policies/faq to read more about the changes. (We figured our users might have a question or twenty-two.)
Notice of Change March 1, 2012 is when the new Privacy Policy and Terms will come into effect. If you choose to keep using Google once the change occurs, you will be doing so under the new Privacy Policy and Terms of Service. Please do not reply to this email. Mail sent to this address cannot be answered. Also, never enter your Google Account password after following a link in an email or chat to an untrusted site. Instead, go directly to the site, such as mail.google.com or www.google.com/accounts. Google will never email you to ask for your password or other sensitive information.

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