Cell Phone Misuse . Some facts - ElectroSchematics.comMobile Phone misuse in public places creates social problems like. 1. ... Use of
Mobile phones in gatherings, meetings, entertainment places etc disturb others ...
Solar Charger Circuit for 6V Battery - ElectroSchematics.comHere is a solar charger circuit that is used to charge Lead Acid or Ni-Cd batteries
... d mohan can i use this circuit diagram to charge a laptop? and can i add a ...
10 Free PCB Design Software - ElectroSchematics.comDo you need a free PCB design software or tool to put in practice the new
electronic project you've just designed? So, we present you 10 of the best PCB
so.
Travel Mobile Phone Charger Circuit - ElectroSchematics.comtravel mobile phone charger circuit schematic. Most of the Mobile phone batteries
are rated at 3.6 V/500 mA. A single pen torch cell can provide 1.5 volts and 1.5 ...
FM Receiver Circuit - ElectroSchematics.comThis is the most simple fm receiver with good performances that works great even
if the ... The coil details are presented in the fm receiver circuit diagram.
Portable Solar Powered Lantern Circuit - ElectroSchematics.comLED solar powered lantern lights schematic LED Solar Lantern Lights led lantern
circuit Portable LED Lantern solar birdhouse light circuit diagram DIY Solar ...
3A Adjustable Power Supply - ElectroSchematics.comThis is a compact adjustable power supply that delivers a stable voltage and
currents up to 3 amperes. ... Tagged with: LM350 • variable power supplies ...
12V Battery Level Indicator Circuit - ElectroSchematics.comThis battery level indicator offers (5) LEDs that light up progressively as the
voltage increases: Red: Power Connected (0%) Yellow: Greater than 10.5V (25.
Laser Door Alarm Circuit - ElectroSchematics.comThis laser door alarm is based on the interruption of Laser beam. A low cost
Laser pointer is used as the source of light beam. When somebody breaks the la.
Solar Battery Charger Circuit - ElectroSchematics.comThis is the most simple and affordable solar battery charger that the hobbyist can
make. It has a few drawbacks over other similar controls, but offers num.
Best of Free PCB Design Software - ElectroSchematics.comDo you need a free PCB design software or tool to put in practice the new
electronic project you've just designed? So, we present you 10 of the best PCB
so.
Temperature Controller with 555 Circuit - ElectroSchematics.comYou can build a temperature controller circuit with the 555 IC together with a
thermistor resistor divider. The advantage is that a well regulated power su.
Liquid Level Sensor Circuit - ElectroSchematics.comThis is a liquid level sensor circuit that sounds off an alarm when a liquid has
reached a certain level. It can be easily constructed using a single IC L4.
PLL FM Transmitter Circuit - ElectroSchematics.comThe PLL transmitter exciter has the functions of providing a stable, low noise,
frequency-selectable RF signal and amplify it to a controllable output powe.
The coil details are presented in the fm receiver circuit diagram . ..... I am sorry if I
sound a bit harsh, I have no malice against you, but I would really appreciate if ...
FM Transmitters Circuits and Projects - ElectroSchematics.comHere you go, here are the most wanted FM transmitters circuits and projects that
will transmit your radio signl.
Sound Activated Switch Circuit - ElectroSchematics.comWith this sound activated switch , control by sound may be very useful, not just on
a robot but also for a bit of home automation, for example a sound-activ.
Simple Metal Detector Circuit - ElectroSchematics.comMetal Detector circuit diagram . metal detector diagram . As shown, the circuit
oscillates at around 230kHz. One may also experiment with the frequency by ...
Ultrasonic Dog Repeller Circuit - ElectroSchematics.comThis ultrasonic dog repeller circuit will chase away angry dogs. It is build with the
all known 555 circuit, a buzzer and a little ferrite transformator. T.
Simple 12 Volt Charger Circuit - ElectroSchematics.comThis is the circuit of a simple 12 volt battery charger for Lead Acid battery. It gives
12 volt and 5 Amps current for quick charging of the battery. If th.
Automatic Battery Charger Circuit - ElectroSchematics.comHere is a 12 volt lead acid automatic battery charger that shut off the charging
process once the battery attains full charge. This prevents overcharging o.
Variable Power Supplies Projects and Circuits10 x Variable Power Supplies Projects and Circuits . Browse through a total of 10
variable power supplies . Tweet · Variable Power Supply with UA78G/UA79G.
555 Pulse Generator Circuit - ElectroSchematics.comThis is a pulse generator with adjustable duty cycle made with the 555 timer IC.
The circuit is an astable multivibrator with a 50% pulse duty cycle. The d.
If the terminal voltage of the battery reduces below the set level, say 13.5 volts,
the circuit automatically turns on to the charge mode. Charging current as well as
...
Wireless Headphones Transmitter Circuit - ElectroSchematics.comThis wireless headphones transmitter assures a quality reception over 2 meters.
The oscillator frequency is between 1750KHz and 3500KHz and for antenna ...
This is the most simple fm receiver with good performances that works great even
if the sensitivity is not too high. The working principle of this radio re.
DIY Solar Tracker System Circuit - ElectroSchematics.comThis diy solar tracker system circuit is useful for maintaing the right angle of the
solar panels to the sun and maximize the harvested power.
Solar Charger Monitor Circuit - ElectroSchematics.comThis add on circuit can be attached to the solar charger to see whether the battery
is charging or not. It lights a Red LED to indicate that the battery is.
Diode Digital Thermometer Circuit - ElectroSchematics.comSchematic of the digital electronic thermometer circuit. electronic digital ... Fishing
Thermometer Project Circuit coffee thermometer circuit schematic Coffee ...
Atmospheric Charge Monitor circuit - ElectroSchematics.comThis circuit is designed to monitor the atmospheric charge . ... Posted by D
Mohankumar in DIY with 6 comments ... day will be around 100 milli volts with
negligible current and may increase to many volts as the clouds accumulate in
the sky.
FM Module with USB Function - ElectroSchematics.comCo Ltd is an excellent miniature FM module with USB input and digital display ...
Its output can be connected to power amplifier or into the amplifier of VCD player ,
Car stereo etc. ... I have both this usb module and circuit diagram of connection.
Gas Leak Detector Circuit - ElectroSchematics.comHere is a gas leak detector circuit that detects the leakage of LPG gas and alerts
the user through audio-visual indications. The circuit operates off a 9V.
Infrared Alarm Barrier Circuit - ElectroSchematics.comThis infrared alarm barrier can be used to detect persons passing through
doorways, corridors and small gates.
12V Lead Acid Battery Low Voltage Indicator - ElectroSchematics.comThis is a simple circuit that will indicate a low voltage on a 12V lead acid battery .
Many that have golf carts, small EV's, RV's, or solar power banks for.
Here is a solar charger circuit that is used to charge Lead Acid or Ni-Cd batteries
using the solar energy power. The circuit harvests solar energy to char.
Simple TV Transmitter Circuit - ElectroSchematics.comThis is a small tv transmitter circuit wich trasmittes in VHF, negative sound
modulation and PAL video modulation. It is suitable in countries where the B.
12V Time Delay Relay Circuit - ElectroSchematics.comProtect your equipments with this tiny 12V time delay relay circuit . The SMPS
based power supply of these modern electronic devices is vulnerable to spikes.
PIR Sensor Security Light & Switch - ElectroSchematics.comCircuit diagram of the PIR Motion Sensor Light and Switch based on SB0061
shown here can be used for security or corridor lighting in power saving mode.
High Frequency Generator Circuit - ElectroSchematics.comHigh frequency waveform generator is very useful in electronic experiment and
design. This circuit generate sine wave oscillation, but actually we can modi.
Capacitor Power Supply Circuit - ElectroSchematics.comOne of the major problems that is to be solved in an electronic circuit design is
the production of low voltage DC power supply from Mains to power the cir.
Jet Aircraft Engine Sound Generator Circuit - ElectroSchematics.comThis is a simple sound generator to produce jet engine aircraft sounds and it will
run on any battery voltage between 3v and 40v. The circuit will produce.
Network RJ45 Cable Tester Circuit - ElectroSchematics.comThis is a multifunction RJ45 network cable tester . It is the design of the network
cable (RJ45) test, and telephone (RJ11). It is cheap and easy to use. It.
Crystal Tester Circuit - ElectroSchematics.comThe idea for this crystal tester circuit sprung out of the need of testing a large
number of oscillator crystals ... Posted by P. Marian in Measure with 7 comments .
FM Transmitter Circuits - Best Of - ElectroSchematics.comHere are some DIY FM Transmitter circuits that we have been published on
electroschematics.com. This do-it-yourself fm transmitters are pretty easy to buil.
Ultrasonic Sensor Circuit - ElectroSchematics.comThis Ultrasonic Sensor Circuit consists of a set of ultrasonic receiver and
transmitter which operate at the same frequency. When something moves in the
ar.
Automatic Emergency Light Circuit - ElectroSchematics.comThis low cost automatic emergency lighting circuit turns on a lamp during power
failures. It is powered by a NiCad battery that is being charged by the mai.
Hearing Aids Circuit - ElectroSchematics.comThis is a less expensive, and DIY option for a hearing aid . ... This IC, specially
designed for portable low-power applications, is readily available in 8-pin mini
DIP ...
Cell Phone Detector aka Mobile Bug - ElectroSchematics.comAssemble the cell phone detector circuit on a general purpose PCB as compact
as possible and enclose in a small box like junk mobile case. As mentioned ...
Temperature Sensors Circuits - ElectroSchematics.com11 x Temperature Sensors Circuits . Browse through a total of 11 Temperature
Sensors Circuits . Tweet · Read Temperatures using I2C, TC04 sensors and ...
DIY Water Softener System - ElectroSchematics.comBut there is a solution coming in form of a cheap diy water softener system built
with the well-known 555 IC. Actually the price of this diy system is so low that ...
Audio Amplifier Circuits and Projects - ElectroSchematics.comBrowse through a total of 47 audio amplifier circuits and projects. ... TPA3122D2
IC is used as a class D audio amplifier and can deliver up to 15W of power at ...
This is a compact adjustable power supply that delivers a stable voltage and
currents up to 3 amperes. ... Tagged with: LM350 •variable power supplies ...
Timer light switch circuit - ElectroSchematics.comTiny Timer Light Switch presented here is a simple transistorised electronic timer
which drives a high efficiency white LED for a finite time out. This circuit is very ...
RF Based Wireless Remote Control Switch - ElectroSchematics.comThe use of the ready-made RF module simplifies the construction of a wireless
remote control system and also makes it ... RF Transmitter – Schematic Diagram .
Long Range FM Transmitter - ElectroSchematics.comThis is very stable, harmonic free, long range fm transmitter circuit which can be
used for fm frequencies between 88 and 108 MHz. This can cover 5km range.
Electronics Projects CircuitsElectroSchematics.com: over 1538 top electronics projects and electronic circuits
with photos, datasheets and easy to read schematics plus how it works and ...
This motion detector alarm can detect a moving person from a distance of 1 meter
. It uses a dual IR Transmitter-Receiver module HOA1405. When the sensor ...
Time Delay Relay Circuit with 555 - ElectroSchematics.comThis time delay relay circuit is built with IC NE/SE555, produced by Intersil which
contains a precision timer. Stability to temperature variations is 0.00.
This handy mobile bug or cell phone detector , pocket-size mobile transmission
detector or sniffer can sense the presence of an activated mobile cellphone f.
Temperature Controlled DC Fan - ElectroSchematics.comThis circuit can cool your heat generating electronic devices by operating a DC
fan when the temperature in its vicinity increases above the preset level.
This is very stable, harmonic free, long range fm transmitter circuit which can be
used ... u can make a large range circuit ashok its simple use mt 8800 chip u can
...
TransformerLess Power Supply 12V 100mA - ElectroSchematics.comThis is a transformerless power supply for low current applications. C1 is the X
rated AC capacitor that reduces high volt AC. D1-D4 rectifies AC to DC and.
The laser door alarm circuit has two sections. The laser transmitter is a laser
pointer readily available. It should be powered with 3 volt DC supply and fixed on
...
ElectroSchematics.com: over 1530 top electronics projects and electronic circuits
with photos, datasheets and easy to read schematics plus how it works and ...
Electronic Components - An easy to use guideA large number of electronic components are now available in the market. For a
beginner, it is very difficult to identify the components through its value and more
...
Fire Alarm Circuit - ElectroSchematics.comIn this fire alarm circuit project, a thermistor works as the heat sensor. When
temperature increases, its resistance decreases, and vice versa. At normal.
ElectroSchematics.com: over 1530 top electronics projects and electronic circuits
with photos, datasheets and easy to read schematics plus how it works and ... 555 Timer Circuits - Electronics Hobby Projects - DIY Projects - DIY Audio Projects
The metal detector circuit shown here must represent the limits of simplicity for a
... I am a student and I have a project in college for a metal detector and ask for ...
LED Chaser Circuit - ElectroSchematics.comThis is the circuit of a simple LED chaser . The LEDs lights one by one for a period
of 1second and the cycle repeats giving the running light appearance. T.
Single Transistor Amplifier Revisited - Part 1 - ElectroSchematics.comCircuit and Biasing Technique There is so much to learn about the single-
transistor amplifier , that this brief tutorial hardly scratches the surface. This.
GigaHertz Signal Detector Circuit - ElectroSchematics.comThis circuit is useful to detect microwave (gigahertz signal) sources like
microwave oven, satellite communication devices, Mobile phones etc. It gives
aud.
Light Sensor Circuit - ElectroSchematics.comThis Circuit can compare the Light level in an area. It uses a PN Photodiode as
the light sensor and IC CA3140 as voltage comparator. The circuit is ideal.
Simple Metal Detector Circuit - ElectroSchematics .comThe metal detector circuit shown here must represent the limits of simplicity for a
metal detector ... Metal Detector DIY Circuit cheap metal detector circuit
schematic ..... free CAD application for designing and manufacturing electronics
hardware.
Infrared Switch Circuit - ElectroSchematics.comIR Switch Circuit diagram. CD4538 is the Precision Monostable /Astable
Multivibrator IC that is free from false triggering. It is more reliable than the
popular timer ...
Simple Cable TV Amplifier Circuit - ElectroSchematics.comThe main amplifier si T1 transistor, T2 is working as an emitter follower. The
feedback bias is determined by R3 and R4. The total gain of this tv cable
amplifier is ...
USB Cellphone Charger circuit - ElectroSchematics.comNow you can charge your Mobile Phone from the USB outlet of PC. This simple
usb cellphone charger circuit can give regulated 4.7 volts for charging the mob.
Arduino Mega 2560 Pinout - ElectroSchematics.comInput and Output Each of the 54 digital pins on the Arduino 2560 Mega can be
used as an input or output, using pinMode(), digitalWrite(), and digitalRead()
