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SILICON CHIP MAGAZINE
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Silicon Chip - April 2013
by Silicon Chip
In this issue, the third installment of building the High-Performance Stereo Digital-to-Analog Converter. These units are ideal to
convert your MP3 or digital music to high quality stereo for your headphones or input to your sound system.
This unit is based on the Cirrus Logic CS4398, as used in Marantz and other high-fidelity sound equipment.
It has three TOSLINK inputs, three S/PDIF inputs and a USB audio input. A SD card socket is also included.
The unit also incorporates a headphone amplifier and an optional infrared remove control. The unit can
be built in a few hours and delivers exceptional sound quality.
Also this month, build an attractive eye-catching LED Ladybird. This compact, easy to build brooch, features
simulated body movements and wings flapping using an array of LED's. The unit is great for parties and is sure
to attract pleny of attention. This month also includes a Deluxe GPS 1pps Timebase for Frequency Counters,
this unit provides a very accurate timebase ensuring accurate readings for frequency measing instruments.
This month's articles include a look at receiving Digital TV on your laptop. Access a wide range of programming and
news broadcast directly on your PC, with this inexpensive USB dongle for your PC or laptop.
Part Code: SILCHIPAPR2013
Features
- How to Get Digital TV on your Laptop or PC
- The New Silicon Chip Website
- Review: Siglent SDG1050 50MHz 2-Channel Function Generator
Projects
- High Performance CLASSiC DAC, Part 3
- LED Ladybird: An Eye-Catching Electronic Beetle
- Deluxe GPS 1pps Timebase for Frequency Counters
- A Rugged 10A Battery Charger from Bits & Pieces
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Silicon Chip - March 2013
by Silicon Chip
The March issue of Silicon Chip, features an easy to build Infrasound Detector. The low frequency
constant sound from wind turbines can cause discomfort to a number of people. This inexpensive unit
filters all sound signals except those below 20Hz. The output is then dislayed on a standard frequency
multimeter. Also this month, the second part of the High-Performance CLASSiC DAC, which features
exceptional sound output from digital sources, such as SD cards, USB input and much more.
This month the circuit is explained in detail and the performance graphs for this unit are shown.
If your interested in Model Railways, 2 great projects for the model enthusiast. Build an
Automatic Points Controller, this unit detects an approaching train and will automatically switch the
points for the train. Ideal for when you have a large layout and only a single operator.
A Capaitor Discharge Unit is also explained, this unit provides power for twin-coil points
motors, which are commonly used for points in model railways.
This month's features look at some of the new test instrument add-ons for your iPad. Previously the
preserve of games and the internet, a number of new test instruments can be connected to your iPad to
provide highly accurate test intruments, with detailed graphics and storage capabilities. These new
instruments include a Spectrum Analyser, Oscilloscope and Logic Analyser, all available at prices
less than the standalone units.
This month's issue also includes all the regular columns, including the Circuit Notebook,
Serviceman's Log and Vintage Radio, stacks of great reading.
Part Code: SILCHIPMAR2013
Features
- Oscium Test Instrument Add-On for the iPad
- New SIE-64 Hearing Aid from Blarney & Saunders
- Programmable Systems on a Chip (PSoC)
Projects
- High Performance CLASSiC DAC, Part 2
- Infrasound Detector for Low Frequency Measurements
- Automatic Points Controller for Model Railways
- Capacitor Dischard Unit for Twin-Coil Points Motor
- Control Relays via the Internet with Arduino
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Silicon Chip - February 2013
by Silicon Chip
In this issue, build a High-Performance Stereo Digital-to-Analog Converter. These units are ideal to
convert your MP3 or digital music to high quality stereo for your headphones or input to your sound system.
This unit is based on the Cirrus Logic CS4398, as used in Marantz and other high-fidelity sound equipment.
It has three TOSLINK inputs, three S/PDIF inputs and a USB audio input. A SD card socket is also included.
The unit also incorporates a headphone amplifier and an optional infrared remove control. The unit can
be built in a few hours and delivers exceptional sound quality. Also this month, build your own Seismograph,
this easy to build unit is based on the PICAXE microcontroller and includes computer software to display the
various tremors and jolts, similar to an expensive top of the range chart recorder. This month, also includes a
Mobile Phone Loud Ringer, this unit is great for when you are working outdoors or in a very noisy environment.
The unit sensors the vibration of your phone and then drives a large piezo siren, to ensure you won't miss a call.
Finally this month, build an Improved Jacob's Ladder, and watch the high voltage sparks climb up the vertical
wires to give a very eye-catching display.
This month's articles include a look at the new LED Halogen down-lights available. These high efficiency
LED's can provide improved lighting at reduced cost over conventional halogen lights. Also a review of the new
HB Wireless XR-450M UHF Handheld Transceiver. Plus all the regular articles, including the Circuit Notebook,
Serviceman's Log and Vintage Radio section.
Part Code: SILCHIPFEB2013
Features
- Replace Your Halogen Down-Lights with LED's
- The Historic Rubicon Hydroelectric Scheme
- Review: The XR-450M UHF Handheld Transceiver
Projects
- High Performance CLASSiC DAC, Part 1
- Seismograph with Tsunami Alarm
- Mobile Phone Loud Ringer
- Improved Jacob's Ladder
- Accurate GPS 1pps Timebase for Frequency Counters
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Silicon Chip - January 2013
by Silicon Chip
In the new January issue of Silicon Chip, a simple amplifier module to build that can deliver up to 7W's of power.
This easy to build module is ideal for incorporating in music players, kiosk sound systems and computer sound amplifiers.
Also this month build an Solar-Powered LED Skylight, instead of cutting a hole in your roof, install some solar
panels and connect these to these new LED Light Modules, to produce Solar Lighting at a fraction of the cost of
building a skylight in your roof. This month also includes a neat Garbage & Recycling Reminder, ever forget which day
is garbage day and which day is recycling unit, this little unit will give you a visual reminder on the
particular day you need to put out which bin. Finally the second part of the new 2.5GHz 12-Digit Frequency Counter,
with all of the construction and assembly details.
This month's features look at the exciting new developments in LED technology and how they are replacing many other
conventional lighting techniques. Also a look at some of the new products on display at the Sydney Audio & AV Show,
including a wide range of amplifiers and top of the range speaker systems. Finally a look at the new
Marantz Network Audio Player, this unit includes a Digital Radio Receiver, as well as being able to play tunes
from a Network, USB Memory Stick or an iPod Player. This month's issue also includes all the regular columns,
including the Circuit Notebook, Serviceman's Log and Vintage Radio, stacks of great reading.
Part Code: SILCHIPJAN2013
Features
- The Bright Present & Brighter Future of LED Lighting
- The Sydney HiFi Show
- Review: Marantz NA7004 Network Audio Player
Projects
- The Champion Preamp/Audio Amplifier Module
- Build a Solar Powered Skylight
- Garbage & Recycling Reminder
- 2.5GHz 12-Digit Frequency Counter, Part 2
- Performance Tweak for the Ultra-LD Mk3 Amplifier
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Silicon Chip - December 2012
by Silicon Chip
Just Arrived the new December Issue of Silicon Chip, with plenty of exciting, state of the art projects.
This month's projects include a very high accuracy, 2.5GHz 12-Digit Frequency Counter, the unit has an accurate
internal timebase and also features an external timebase input which can accept 1Hz pulses from a GPS receiver
for almost atomic clock accuracy. The unit has a range from 10Hz to 2.5GHz, together with a sensitivity down to
20mV for signals up to 20MHz. The unit is housed in an attractive plastic case and features blue 7-segment
displays, the unit is ideal for the repair shop or design workshop. Also this month a USB Power Monitor, to measure
the current or voltage to the peripherals connected to your USB port. This compact unit plus directly into
the USB port and uses a large LCD display to show the current and voltage levels. This month also includes the
construction details for the already popular High-Power Class-D Audio Amplifier, as well as the High-Energy Ignition
System for Cars.
This month's articles include a look at a 3D Printer that can be built at home and can produce objects of around
200mm cubed. The unit costs under $2500 and delivers remarkable results with 3D models of buildings and objects. Also this
month a look at some of the new soldering tools and techniques available.
Part Code: SILCHIPDEC2012
Features
- RapMan: A 3D Printer that you can build from a Kit
- Soldering: The Game is Changing
Projects
- 2.5GHz 12-Digit Frequency Counter, Part 1
- USB Power Monitor
- High-Energy Ignition System for Cars, Part 2
- High-Power Class-D Audio Amplifier, Part 2
- Hacking a Mini Wireless Web Server, Part 2
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Silicon Chip - November 2012
by Silicon Chip
In the new issue of Silicon Chip, a great new design for a High-Performance, High-Power 250W Class-D Amplifier.
This unit is top of the range and features exceptional performance, with very low distortion, excellent
signal-to-noise ratio and high efficiency. The unit is easy to build and the design is very stable,
ensuring a long and trouble free life. The unit is ideal for use in PA Systems, Stage Shows, Discos and much more.
Also this month, build a High-Energy Ignition System for your car, this design is based on an IGBT ignition driver and
is ideal for replacing old mechanical ignition systems, the unit features an adjustable dwell time, adjustable
debounce period and tachometer output. Other projects this month, include a 20W LED Floodlight for outdoor use and
the second part of the LED Musicolor project.
This month's features show how to replace the Anode on your hot-water tank. This part corrodes rather quickly and
by replacing it, you can extend the life of your hot-water system and save a lot of money. Also a
look at the new Agilent U1233A Digital Multimeter with Bluetooth Output. Plus all the regular great columns.
Grab a copy now, at an unbeatable price of only $7.90
Features
- Sacrifice Your Sacrificial Anode
- Review: Agilent U1233A DMM
Projects
- High-Power Class-D Audio Amplifier, Part 1
- High-Energy Ignition System for Cars, Part 1
- LED Musicolor: Light up your Music, Part 2
- Hacking a Mini Wireless Web Server, Part 1
- A Seriously Bright 20W LED Floodlight
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Silicon Chip - October 2012
by Silicon Chip
Just Arrived the new October Issue of Silicon Chip, with plenty of exciting, state of the art electronic projects.
This month's issue features a new Musicolour Display Unit suitable for LED's. The unit can drive 16 strings of LED's,
in tune to the music, producing a very attractive music controlled display. Each string of LED's is set to
a certain frequency band and will light with sounds in that frequency, the brightness is also adjusted depending
on the strength of the sound within that frequency. The result is a very attractive display suitable for light shows
and discos. The unit features a high performance DSP combined with an SD card for storing and playback of WAV files.
Also this month the second part of the exciting new Colour Maximite Minicomputer project, with construction details and
set-up instructions. Other projects this month include a Reverse Loop Controller for DCC Model Railways and a
Cat Deterrent to drive away pesky cat's.
This month's articles include a look at remote controlled aircraft, these aircraft use electric power and
provide greater maneuverability and are increasingly popular in model aerobatic competitions. Also this month a
look at the new HAARP facility, this center studies the ionosphere and it's effect on radio and satellite communications.
Together with the regular real life tales from the Serviceman's Log as well as the Circuit Notebook and your Questions.
Features
- Electric Remote Piloted Aircraft
- HAARP: Researching the Ionosphere
- Review: Micronix MSA438 3.3GHz Spectrum Analyser
Projects
- LED Musicolor: Light up your Music, Part 1
- Colour Maximite Microcomputer, Part 2
- Reverse Loop Controller for DCC Model Railways
- The Nick-Off Bad Cat Deterrent
- Wireless Remote Control for the Barking Dog Blaster
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Silicon Chip - September 2012
by Silicon Chip
Just arrived, the new September issue of Silicon Chip. This month features the much improved
Colour Maximite Microcomputer, this unit is based on the high performance 32-bit Microchip PIC32MX695
Microcontroller and supports a huge number of I/O points and interfacing capabilities. This new
Maximite has a Colour VGA Output supporting 480x432 displays, with a standard computer keyboard for
input, a stereo audio synthesiser for music, battery back-up, Arduino compatible connector with 20
I/O points, SD Card, USB Connector and much more. This unit can easily be programmed using Basic and is
ideal for use as a complete system controller or building a powerful development platform.
Also this month, build a Barking Dog Silencer, a USB Test Instrument Interface for creating a 2-Channel
Scope, Spectrum Analyser, Frequency Counter and Signal Generator on your PC. This month's features,
review the new Virtins Technology Multi-Instrument for turning your PC into a 2-Channel Audio Scope, as
well as a look at the new iModela 3-Axis CNC Router, perfect for hobbyists.
Plus all the regular great columns.
Grab a copy now, at an unbeatable price of only $7.90
Features
- Electronex: The Latest Smart Electronics
- Review: Virtins Technology Multi-Instrument 3.2
- The HSRA's 30th Birthday
- Review: iModela 3-Axis CNC Router
Projects
- Colour Maximite Microcomputer, Part 1
- Barking Dog Blaster
- USB Test Instrument Interface for PC's
- Digital Sound Effects Generator
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Silicon Chip - August 2012
by Silicon Chip
Just Arrived the new August Issue of Silicon Chip, with a new improved Drivway Sentry Project,
this unit uses a sensor loop to detect vehicles passing over loop. It can be used in driveways or
on paths to detect car, truck, tractors etc. The unit has an output relay for switching lights
or alarms when a vehicle is detected, also included is an exit delay, an adjustable alarm or contact closed
period, sensitivity adjustment and a test button. Ideal for those arriving home late at night or for
checking when vehicles enter a property. Also this month, a mains time for use with lights or fans.
The unit can be used to allow exhaust fans to run for a certain period after the lights have been
turned off, or for a leaving the lights on for a set time when you are leaving. Finally this month,
an adaptor unit for measuring currents up to 30A with a multimeter or scope.
This month's articles cover the new Remote Piloted Aircraft that are now available. These small compact
helicopters can be used for a wide range of applications, including aerial photography and
monitoring remote facilities that are very difficult to access. Also this month, a quick test drive
of the new Nissan Leaf, we look at the performance, the design and how it was to drive.
Together with the regular real life tales from the Serviceman's Log as well as the Circuit Notebook and your Questions.
Features
- We Drive Nissan's Leaf Electric Car
- Multi-Rotor Helicopters
- Flying the Parrot AR Drone 2
- Remote Piloted Aircraft (RPAs): Using Them for Business
Projects
- The Driveway Sentry, Mk 2
- Timer for Fans and Lights
- Isolated High Current Adaptor for Multimeters
- Wideband Oxygen Sensor Controller, Part 3
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Silicon Chip - July 2012
by Silicon Chip
This July issue has just arrived, with a new Soft Starter for Power Tools and Heaps of other interesting
articles. In this issue, we look at a new design for flashing school light signs, using a
low cost design based on the PICAXE microcontroller. This unit costs much less than the standard
full unit currently used by the main authority. Also this month, we look further into the Square Kilometre
Array, why Australia missed out and the technology that will be used in the new array. Finally this month,
an interesting article on recycling old CD or DVD Rom drives, these can easily be used for model plane motors and
other applications.
This month's projects include a soft starter for power tools, ideal for circular saws, routers,
angle grinders and electric drills. This reduces the inrush current and prevents the tool kick
when the device is started. The unit is easy to build and can be housed in a waterproof box. Also this
month a 10A DCC Booster for model railways. Most DCC units can only supply a few locos and peripherals, this
unit supplies up to 10A and can be built inexpensively. Finally, this month a 6-Decade Capacitance Substitution
Box, ideal for the experimenter, this unit offers values from 30pF to 6µF ,easy to build and
is housed in an attractive case.
Plus all the regular great columns.
Grab a copy now, at an unbeatable price of only $7.90
Features
- The Square Kilometre Array: Australia Misses Out
- Modifying CD-ROM Motors for High Power Operation
Projects
- Soft Starter for Power Tools
- Wideband Oxygen Sensor Controller, Part 2
- 10A DCC Booster for Model Railways
- 6-Decade Capacitance Substitution Box
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Silicon Chip - June 2012
by Silicon Chip
Just Arrived the new June Issue of Silicon Chip, with a wealth of interesting articles and projects, this
magazine is ideal for the electronics enthusiast. This month's articles, include a look at the new Microcontrollers
available, including the ARM, PIC and Texas Instruments types, also a great Microcontroller Glossary of all the
essential acronyms. Also this month, a look at the new WiNRADIO Excalibur Radio Receiver, this software defined
receiver offers an easy to use software interface combined with very high accuracy.
This month's projects include a fun project to build, the Crazy Cricket, this compact unit, will emit a
chirping sound when darkness falls, when light is returned, the unit becomes quiet and is great way to annoy friends.
Also this month, for the car enthusiasts, a newly designed Oxygen Sensor Controller, this unit measures the
air/fuel ratio and allows accurate tuning of your car's timing for optimal performance. Finally this month, an
easy to build four-channel audio mixer, ideal for combining an MP3 Player, CD player etc, to a single amplifier.
The construction details for the new PIC/AVR Programming Adaptor Board are also included this month.
Together with the regular real life tales from the Serviceman's Log as well as the Circuit Notebook and your Questions.
Features
- New Microcontrollers
- WiNRADIO Excalibur HF Receiver
- Review: Agilent's 35670A Dynamic Signal Analyser
Projects
- Crazy Cricket or Freaky Frog
- Wideband Oxygen Sensor Controller, Part 1
- Mix-It: Easy to Build 4-Channel Mixer
- PIC/AVR Programming Adapter Board, Part 2
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Last 2 Remaining at US$7.90
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Silicon Chip - May 2012
by Silicon Chip
This month read about the new Australian Synchroton, this impressive circular, megavoltage machine enables
scientist's to determine the structure and composition of all materials, this excellent article looks inside the
building and explains the theory behind the operation. Also this month, a look at ADSL technology and how it
delivers high speed internet to most homes. This article explains the basics and also provides a useful glossary,
giving definitions of the various acronym's used in ADSL literature.
This month's projects includes a terrific new PIC and AVR Programming board, this unit will program most of the
PIC and AVR microcontrollers on the single board. The unit is compatible with the various programming software from
Microchip and Atmel. A standard single ZIF socket is used for programming the microcontrollers, allowing quick and easy
removal of the IC, once it is porgrammed. Also this month, a professional High Temperature Thermometer, this unit
can measure from -50°C to 1200°C and also provides thermostat switching at a set temperature. The Thermostat
can switch on either high or low thresholds and includes a heavy duty relay for switching. The unit is ideal for
ovens, kilns, solder baths, fridges or freezers. A digital readout is provided and the unit is housed in an
attractive case. Finally this month, the construction details for the 1.5kW Induction Motor Speed Controller,
this high performance unit can be used on a wide range of Induction Motors, to provide accurate speed control.
Plus all the regular great columns.
Grab a copy now, at an unbeatable price of only $7.90
Features
- The Australian Synchroton
- Getting The Most from ADSL
Projects
- PIC/AVR Programming Adapter Board, Part 1
- High Temperature Thermometer/Thermostat
- 1.5kW Induction Motor Speed Controller, Part 2
- SemTest: A Discrete Semiconductor Test Set, Part 3
- Ultra Low Distortion 135W Stereo Amplifier, Part 3
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Silicon Chip - April 2012
by Silicon Chip
Just Arrived the new April Issue of Silicon Chip, with a wealth of interesting articles and projects, this
magazine is ideal for the electronics enthusiast. This month's articles, include a brief explanation
into what causes distortion in the mains AC waveform. The Maximite Mini Computer has proved very popular, this
month we answer some of the most common questions we have received. Finally, a review of the new MikroElektronika
PIC Development board.
This month's projects include a professional induction speed controller, this unit can be used for both single phase and
3-phase motors. This controller is loaded with features, with over-current, undervoltage and short circuit protection, Isolated
mains circuitry for safety, adjustable speed ramp in both speed up and down modes, special pool pump mode and lots more.
The unit is suitable for motors up to 1.5kW and is ideal for use with swimming pool pumps. Also this month, a simple
soft-starter to reduce surge currents, when switching on appliances. Finally a 6-decade resistance substitution box,
perfect for the repairman or developing new circuits. The month also includes the assembly instrations for the Ultra-Low
Distortion Stereo Amplifier.
Together with the regular real life tales from the Serviceman's Log as well as the Circuit Notebook and your Questions.
Features
- Whiy is the 50Hz AC Mains Waveform Distorted ?
- Q & A on the Maximite Microcomputer
- Review: MikroElektronika EasyPIC v7 Development Board
Projects
- 1.5kW Induction Motor Speed Controller, Part 1
- SoftStarter: Taming the Surge Current Menace
- A 6-Decade Resistance Substitution Box
- Ultra Low Distortion 135W Stereo Amplifier, Part 2
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Silicon Chip - March 2012
by Silicon Chip
Just arrived, the new March issue of Silicon Chip, loaded with useful articles and projects for the electronics hobbyist.
This month's articles look at the idea of Vertical Farms, using new LED illumination technology the
production of food can now be done economically using LED illumination in a very compact area. These vertical farms are
already producing a wide range of plants with a much reduced growing time over conventional greenhouse and standard farming methods.
Also this month, some answers to readers questions about the MPPT (Maximimum Power Point Tracking) Solar Charge Controller and also
a review of the new APx525 Precision Audio Analyser.
This month's projects include a new Ultra Low-Distortion 135W Stereo Amplifier, this unit delivers remarkable performance and
can be used as a main amplifier for a home entertainment system or similar. This unit incorporates the power
amplifier modules described previously in Silicon Chip, as well as a pre-amplifier, loudspeaker protection and stereo input board.
The unit is housed in a professional case and looks great. Also this month, an updated design for the 12/24V MPPT Solar Charge
Controller, this revision features improved efficiency and new charging options, the unit will deliver optimum power from your
solar panels to lead-acid batteries. Finally this month, the second part of the SemTest, Semiconductor Test set and an easy to
build Interplanetary Sound Effects unit.
Plus all the regular great columns.
Grab a copy now, at an unbeatable price of only $7.90
Features
- Vertical Farms: Factory Farming in the 21st Century
- Review: Audio Precision APx525 Audio Analyser
- Q & A on the MPPT Solar Charger
- The Story of Atwater Kent Radios
Projects
- Interplanetary Voice for Alien Sound Effects
- Ultra Low Distortion 135W Stereo Amplifier, Part 1
- 12/24V MPPT Solar Charge Controller, Revision 1
- SemTest: A Discrete Semiconductor Test Set, Part 2
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Silicon Chip - February 2012
by Silicon Chip
In stock now the new February Issue of Silicon Chip, with a wealth of interesting articles and projects, this
magazine is ideal for the electronics enthusiast. This month's articles, include an interesting article about converting a
washing machine smartdrive for use as a Motor. The washing machine motor with smartdrive can be obtained very cheaply and
includes a smartdrive that can be used to control the speed of the motor. This variable speed motor can now be used in a wide range of
power applications. Also this month a look into DCC, the digital control system for model railways, in this article,
we cover the technical basics and some background on the system.
This month's projects include an easy to build 10W LED Floodlight. Ideal for lighting the backyard or pool, this unit
is based on long life LED's and can easily replace the halogen lamps used today in floodlights. Also this month, a
professional semiconductor test rig, this unit is able to test, LED's, Diodes, Transistors, MOSFET's, SCR's and also TRIAC's.
Featuring an LCD display with professional case and easy to follow instructions, the unit can quickly test the
performance of your semiconductor parts. Finally this month, a simply 1.5A Switching Regulator, this unit will deliver quite
a large current in a very compacy size over a range of voltages from 1.2V to 20V.
Together with the regular real life tales from the Serviceman's Log as well as the Circuit Notebook and your Questions.
Features
- Converting a SmartDrive to use as a Motor
- DCC: Digital Command Control for Model Railways
- Homebrew PCB's via Toner Transfer
Projects
- A Really Bright 10W LED Floodlight
- Crystal DAC: A High Performance Upgrade
- Simple, 1.2-20V 1.5A Switching Regulator
- SemTest: A Discrete Semiconductor Test Set, Part 1
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Silicon Chip - January 2012
by Silicon Chip
This month features an excellent introduction to the Arduino microcontroller platform. We look at the
programming language and some of the tools that are available for this open source programming environment.
Also this month we look at how to play music that is stored on a memory card, without using a PC. We look
in detail into the connections and how the music is stored in the memory.
This month's projects include an easy to build Stereo Compressor. This is ideal for the cases when the
sound volume may jump during ad breaks or when there is a widely different sound levels on recordings.
This unit continously adjusts the signal level by amplifying the quiet passages and attenuating the
louder passages, ensuring comfortable listening without continually adjusting the volume. Also this month,
step back in time and build a simple AM radio, construction of 2 units are detailed with a small pocket size
unit, similiar to the portable transistors of old and a retro-style mantel radio with large hand dial. Both
units are very easy to build and result in excellent sound quality. Finally this month a 3-input Stereo Audio
Switcher, if you have a wide number of input sources to your sound system but not enough sockets, this unit
will allow you to switch the inputs using a standard infrared remote control.
Plus all the regular great columns.
Grab a copy now, at an unbeatable price of only $7.90
Features
- Arduino: Introduction to Programming and Tools
- Playing USB-Stick & SD Card Music without a PC
Projects
- Stereo Audio Compressor
- Simple AM Radio
- Dorji 433MHz Wireless Data Modules
- 3-Input Stereo Audio Switcher
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