Reader Questions Answered Here
Column: Q&A
May 2013, Page 22
Questions on a synthesis circuit, IC chips, grounding problems, resistor values (for light/dark), power supplies, and Kodak photoresist and developer are answered.

Reader Questions Answered Here
Column: Q&A
April 2013, Page 21
Topics include a pet trainer, bandpass filters, a push on/push off circuit, a DC servo, a voltage reducer, plus Mailbag.

Reader Questions Answered Here
Column: Q&A
March 2013, Page 20
Solar power for microcontrollers, touch switches, tuned circuit values, remote tester problems, and a tutorial on transistor modeling are covered this month.

Reader Questions Answered Here
Column: Q&A
February 2013, Page 22
Topics include a switch contact rating, a paddle key project, a negative voltage converter, making circuit boards, and a NiMH battery charger.

Reader Questions Answered Here
Column: Q&A
January 2013, Page 24
Questions about a voltage converter, a trigger LED from a distributor, and a bench top power supply are answered, plus a digital pressure gauge is revisited this time around.

Reader Questions Answered Here
Column: Q&A
December 2012, Page 20
Burned parts on a weed whip charger, a wireless listening device, and a model train speed controller are some of the topics covered this month.

Reader Questions Answered Here
Column: Q&A
November 2012, Page 18
Answers to questions on a pet-safe invisible fence and a solar phone battery charger, just to name a few.

Reader Questions Answered Here
Column: Q&A
October 2012, Page 22
Topics this time include an extra loud car turn signal, a regenerative shortwave radio, and a stethoscope amplifier, just to name a few.

Reader Questions Answered Here
Column: Q&A
September 2012, Page 20
A driveway system hack, fan speed control, and an LED array driver are some of the topics discussed this time.

Reader Questions Answered Here
Column: Q&A
August 2012, Page 20
Send all questions and comments to: Q&A@nutsvolts.com

Answers to Questions
Column: Q&A
July 2012, Page 22
Send all questions and comments to: Q&A@nutsvolts.com

Q & A
Column: Q&A
June 2012, Page 24
Solar converters, speaker protectors, and transformerless power supplies are just some of the topics discussed this time.

Q & A
Column: Q&A
May 2012, Page 24
AC ammeters, battery internal resistance, and transformerless power supplies are discussed this time.

Q & A
Column: Q&A
April 2012, Page 22
Get answers about LED flasher circuits, lighthouse lamps, PCMCIA memory cards, and multi-station intercoms.

Q & A
Column: Q&A
March 2012, Page 22
Some of the topics covered this month include a water level monitor, radio repair, and a phototransistor amplifier.

Q & A
Column: Q&A
February 2012, Page 0
Help with a random number generator, battery tester, LED dimmer, and a nonsense circuit are just some of the topics covered in this month’s column.

Q & A
Column: Q&A
January 2012, Page 22
Questions on flickering lamp circuits, water softeners, and USB testers are just some of the things talked about this time.

Q & A
Column: PICAXE Primer
December 2011, Page 22
Learn about a deer repellant circuit, a sine wave modulator, IR remote control, plus a lot of other stuff people have questions about.

Q & A
Column: Q&A
November 2011, Page 22
Some of the answers this month deal with a high power LED flasher, a solar controller, an LED flashlight, and a Lithium-Ion battery charger to name a few

Q&A
Column: Q&A
October 2011, Page 22
Get answers about gel cell charging voltages, a VFD filament driver, relay logic, and more.

Q & A
Column: Q&A
September 2011, Page 22
Get answers to a solar controller, 1.5V hobby motor speed controller, a DSL carrier detector, and some other stuff.

Q & A
Column: Q&A
August 2011, Page 22
Zeners at high frequency, an LED flasher circuit, and a refrigerator door alarm are covered this month.

Q & A
Column: Q&A
July 2011, Page 22
A leak noise correlator, theremin coils, and a modified beeper/LED circuit are covered this month.

Q & A
Column: Q&A
June 2011, Page 22
A rotary switch replacement, DC power filtering, and a USB battery charger are some of the topics covered this month.

Q & A
Column: Q&A
May 2011, Page 24
A comb filter design, video amp, and a hysteresis circuit are some of the things you’ll learn about this time.

Q & A
Column: Q&A
April 2011, Page 22
A battery charge limiter, SPICE modeling, and a 433 MHz transmitter are some of the things you’ll learn about this time.

Q & A
Column: Q&A
March 2011, Page 26
This month’s questions include how to set up a custom website, a circuit for pulsating LEDs, a car finder, plus a turn signal reminder, just to name a few.

Q & A
Column: Q&A
February 2011, Page 22
This month’s questions revisit the CAT 5 cable tester and cover a 400 Hz gyro drive, analog isolation techniques, and an LED chaser circuit, just to name a few.

Q & A
Column: Q&A
January 2011, Page 22
This month’ questions cover a CAT 5 cable tester, a model railroad sequencer, a low battery circuit, and an LED replacement for incandescent lamps.

Q & A
Column: Q&A
December 2010, Page 24
Lightning protection circuit, fan control, op-amp tester, plus more.

Q&A
Column: Q&A
November 2010, Page 24
Attic fan control, seven-segment LED help, a timer project, plus more.

Q&A
Column: Q&A
October 2010, Page 24
High voltage sine wave, obscure battery, black body heat source, plus more.

Q & A
Column: Q&A
September 2010, Page 24
Hum detection, Video buffer, LCD backlight, game clock, plus more.

Q & A
Column: Q&A
August 2010, Page 22
Irrigation timer, video switch, plus the MailBag.

Q & A
Column: Q&A
July 2010, Page 22
Power supply, mystery component, convert DC meter to AC, plus more.

Q & A
Column: Q&A
June 2010, Page 20
Low voltage warning, alternator regulator, magnetic questions, Geiger counter, plus more.

Q & A
Column: Q&A
May 2010, Page 22
Christmas tree lights, clock oscillator schematic, noisy audio, plus more.

Q & A
Column: Q&A
April 2010, Page 22
A cheap strobe, thermometer repair, re-using old transformers, solar light, plus more.

Q & A
Column: Q&A
March 2010, Page 28
A doorbell light, soldering iron timer, revisiting the countdown timer and large clock, plus more.

Q & A
Column: Q&A
February 2010, Page 18
A Count down timer, large clock, plus more.

Q & A
Column: Q&A
January 2010, Page 22
Neon lamps and LEDS, generator voltage regulator, PC board current capacity, plus more.

Q&A | December 2009
Column: Q&A
December 2009, Page 22
Wind chime light show, DC-to-DC converter, bug zapper, plus more.

Q&A | November 2009
Column: Q&A
November 2009, Page 28
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist. Feel free to participate with your questions, comments, or suggestions. Send all questions and comments to: Q&A@nutsvolts.com

Q&A | October 2009
Column: Q&A
October 2009, Page 26
Game show lockout circuit, fluorescent ballast, PICAXE or PIC, plus more.

Q&A | September 2009
Column: Q&A
September 2009, Page 30
Solar panel voltage regulator, op-amps and diodes, current sensing motor control, plus more.

Q&A | August 2009
Column: Q&A
August 2009, Page 30
Audio comb filter, high current/low voltage amp, time delay circuit, plus more.

Q & A
Column: Q&A
July 2009, Page 32
Voltage conversion, understanding thermal lag, software-based power control, plus more.

Q&A
Column: Q&A
June 2009, Page 28
EV battery charger, 90 VDC power supply magic, getting an A+ in class D, plus more.

Q&A
Column: Q&A
May 2009, Page 32
Analog tachometer, calulated inductance, soft start AC circuits, plus more.

Q&A
Column: Q&A
April 2009, Page 24
Softening up a table saw, returning light to Christmas, high voltage generation, plus more.

Q & A
Column: Q&A
March 2009, Page 28
Measuring energy use, more on oscillators, flat panel TVs, plus more.

Q&A
Column: Q&A
February 2009, Page 27
CO2 laser power supply, a cycling circuit, LED replacement of incandescent bulbs, more.

Q&A
Column: Q&A
January 2008, Page 24
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
February 2008, Page 22
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
March 2008, Page 26
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
April 2008, Page 24
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
May 2008, Page 24
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
June 2008, Page 26
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
July 2008, Page 24
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
August 2008, Page 26
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
September 2008, Page 24
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
October 2008, Page 22
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
November 2008, Page 28
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
December 2008, Page 24
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Questions & Answers
Column: Q&A
January 2009, Page 26
High impedance preamp, audio to LED display driver, FM shutdown problem, and more.

Introduction To Filters
November 2005, Page 0
This article will be limited to analog filters built with discrete components. Filters can also be made using digital signal processing (DSP) and analog distributed components (transmission lines and resonant cavities).

Q&A
Column: Q&A
May 2007, Page 26
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
June 2007, Page 22
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
July 2007, Page 28
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
August 2007, Page 24
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
September 2007, Page 28
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
October 2007, Page 24
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
November 2007, Page 24
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.

Q&A
Column: Q&A
December 2007, Page 24
In this column, I answer questions about all aspects of electronics, including computer hardware, software, circuits, electronic theory, troubleshooting, and anything else of interest to the hobbyist.