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Kerry D. Wong

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Year: 2010

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  • 2010

Modified Sine Wave Generation With AVR

December 26, 2010 kwong3 Comments on Modified Sine Wave Generation With AVR

Modified sine wave is essentially just a pulse width modified square wave. It is a very useful waveform for power […]

AVR/Arduino, Miscellaneous Arduino, Atmega328P, AVR, Modified Sine Wave

Simple External Powered USB Port

December 18, 2010August 14, 2011 kwong1 Comment on Simple External Powered USB Port

I recently bought a TrendNet TK-207K KVM switch. After hooking up my mouse and keyboard, I was suprised to find […]

Electronics, Miscellaneous KVM, USB

4KHz-170MHz Wide Band RF Signal Generator – II

December 8, 2010August 14, 2011 kwong1 Comment on 4KHz-170MHz Wide Band RF Signal Generator – II

Continue with my previous article, let me first explain the code a little bit.

AVR/Arduino, Miscellaneous 74VHC4040, AD5235, Arduino, Atmega328P, C++, LTC6905, RF, Signal Generator, TS5A23159, Wide Band

4KHz-170MHz Wide Band RF Signal Generator – I

December 2, 2010January 16, 2014 kwong10 Comments on 4KHz-170MHz Wide Band RF Signal Generator – I

A signal generator can come in handy when working with digital and analog circuits. While most commercial grade signal generators […]

AVR/Arduino 74VHC4040, AD5235, Arduino, Atmega328P, LTC6905, RF, Signal Generator, TS5A23159, Wide Band

Brother MFC-7340 Setup Under Linux

November 23, 2010 kwong4 Comments on Brother MFC-7340 Setup Under Linux

I just bought a Brother MFC-7340 multifunction laser printer to replace my old Lexmark Optra E310 which I have had […]

Linux/BSD Brother MFC-7340, CUPS, Linux, Ubuntu

Temperature/Humidity Data Logger — Trial Run

November 17, 2010November 17, 2010 kwongLeave a Comment on Temperature/Humidity Data Logger — Trial Run

I built a rather generic I2C data logger a few weeks back. As I mentioned in my earlier posts, it […]

AVR/Arduino Data Logging, I2C, SHT21

Hex/Bin/Dec Converter And Calculator

November 9, 2010November 15, 2012 kwong5 Comments on Hex/Bin/Dec Converter And Calculator

When working with micro-controller projects, it is often necessary to perform calculations in binary and hexadecimal forms. While almost all […]

Coding, Miscellaneous BCalc, C Sharp (C#)

Wide-band RF Field Strength Meter

November 1, 2010January 29, 2013 kwong8 Comments on Wide-band RF Field Strength Meter

Field strength meter is extremely useful when working with RF devices. It can be used to quickly diagnose whether a […]

AVR/Arduino, Miscellaneous Field Strength Meter, LT5534, RF

RF Data Link Using Si4021 And Si4311

October 24, 2010May 15, 2012 kwong21 Comments on RF Data Link Using Si4021 And Si4311

Among the many commercial ISM band RF transmitter and receiver ICs, I have found that Silicon Labs‘ Si4021 (transmitter IC) […]

AVR/Arduino Atmega328P, ISM, RF Data Link, Si4021, Si4311

AVR LC Meter With Frequency Measurement

October 16, 2010June 29, 2014 kwong207 Comments on AVR LC Meter With Frequency Measurement

I have been thinking about building an LC meter for a while since I do not have a multimeter that […]

AVR/Arduino Arduino, Atmega328P, AVR, LC Meter

My New DS1052E Oscilloscope

October 8, 2010April 11, 2015 kwong13 Comments on My New DS1052E Oscilloscope

I used to own an all-transistor, single channel 10 MHz analog oscilloscope. While it was not adequate by nowadays standard, […]

Electronics, Miscellaneous, Product Reviews DSO, Oscilloscope, Rigol DS1052E

I2C Data Logger Using ATmega328p and DS3232 – II

October 2, 2010October 8, 2010 kwongLeave a Comment on I2C Data Logger Using ATmega328p and DS3232 – II

In my last blog post, I showed you the schematic of a I2C data logger I built. Here I will […]

AVR/Arduino Accelerometer, Atmega328P, Data Logging

I2C Data Logger Using ATmega328p and DS3232 – I

September 25, 2010September 26, 2010 kwongLeave a Comment on I2C Data Logger Using ATmega328p and DS3232 – I

There is a popular data logger shield out there designed for Arduino using a DS1307 real time clock chip. And […]

AVR/Arduino Atmega328P, Data Logging, DS3232, I2C, RTC

ZIF Arduino Prototyping Board

September 18, 2010September 18, 2010 kwongLeave a Comment on ZIF Arduino Prototyping Board

The official Arduino Duemilanove board is an excellent tool for prototyping. For most of the users, it is a very […]

AVR/Arduino Arduino, Atmega328P, ZIF

A High Current TRIAC Controller Using Arduino

September 11, 2010February 15, 2014 kwong17 Comments on A High Current TRIAC Controller Using Arduino

One of the goals in my previous timer project was to achieve the ability to control multiple electronic devices using […]

AVR/Arduino Arduino, Atmega328P, I2C, TRIAC, TWI

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Older posts

Categories

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Tools & Libraries

  • MCP2210 Library
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Most Popular Posts

  • A Sensitive DIY Ultrasonic Range Sensor (286)
  • Building a Constant Current/Constant Power Electronic Load (234)
  • AVR LC Meter With Frequency Measurement (207)
  • A Digitally Controlled Dual Tracking Power Supply -- II (88)
  • AD7705/AD7706 Library Revisited (86)
  • Hacking DTM0660L Based Multimeters (71)
  • A Self-Balancing Robot – III (62)
  • Reverse Engineering the Syma S107G IR Protocol (56)
  • Arduino Development Using NetBeans (51)
  • Dual Purpose Spot Welder With Pulse Duration Control (45)

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