• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar

DQYDJ

  • Blog
    • About Us
    • ———-
    • Investing
      • Personal Finance
    • Economics
    • Real Estate
    • Politics
    • Offbeat
      • Weekender
    • ———-
    • Disclosures
  • Research
    • Investment Research
    • Finance Research
    • Economics Research
    • Demographic Research
  • Interactive Tools
    • Economics Calculators
    • Investment Calculators
    • Personal Finance Calculators
    • Health Calculators
  • Show Search
Hide Search

arduino

How to Divide The Frequency of Digital Logic Clocks

Technology     July 24, 2014 by PK

One issues you hit as you tackle complex projects in your electronics hobby is the need to run things at different speeds.  As time is the essence of digital logic you’ll start to want to explore changing the length of said time periods. Inn fact, logic itself relies on having discrete periods of time in […]

How to Produce 640×480 Color VGA Video From an 8-Bit Arduino!

Technology     June 9, 2014 by PK

Most 8-bit AVRs in the wild (including this project’s Arduino Nano) run at a default maximum 16 MHz. That’s 16,000,000 calculations per second… a respectable number for most embedded applications. The VGA video standard, which is the default  “we-can-always-fallback-to-this” industry standard is 640 pixels wide by 480 pixels tall by 60 frames per second. This […]

How to Double Clock Frequency Using Only Digital Logic

Personal Finance     June 6, 2014 by PK

One of the projects I was working on once required a doubling of clock speed from an Arduino Nano, which has an Atmel 328p running at 16 MHz on-board. I’m going to explain in this piece how I was able to double clock frequency with digital logic – no PLL or DLL needed! My challenge?  […]

Build Your Own Real Time Frequency Analyzer And Christmas Light Controller!

Offbeat  Technology     November 29, 2012 by PK

I built an Arduino real time frequency analyzer with a microcontroller which doubles as a Christmas light controller.  You can take line in from any source in one of 8 audible octaves. Notes activate a relay providing AC power to a plug, which in turn light up a strand of Christmas lights for each frequency […]

Primary Sidebar

Never Miss a Post

POPULAR  IN THE LAST WEEK

  • Income Percentile Calculator for the United States in 2019 Economics
  • Net Worth Percentile Calculator for the United States Economics
  • S&P 500 Return Calculator, with Dividend Reinvestment Investing
  • United States Net Worth Brackets, Percentiles, and Top One Percent Economics
  • 2019 Household Income Percentile Calculator for the United States Personal Finance
  • Net Worth by Age Calculator for the United States Economics
  • Height Percentile Calculator for Men and Women in the United States Health
  • Income Percentile by Age Calculator for the United States in 2019 Economics
  • Stock Total Return and Dividend Reinvestment Calculator (United States) Investing
  • Hours Calculator: See How Many Hours are Between Two Times
  • Who Are the One Percent in the United States by Income and Net Worth? Economics
  • Average, Median, Top 1%, and all United States Household Income Percentiles in 2019 Economics
  • Bond Pricing Calculator Based on Current Market Price and Yield Economics
  • How Many Millionaires Are There in America? Economics
  • S&P 500 Periodic Reinvestment Calculator (With Dividends) Investing

About DQYDJ         

We write posts and create calculators and visualizations to help you understand your finances and take control of your investments.

[ Read More About Us ]

Never miss another post:

© 2009-2019 DQYDJ.com

  • About Us
  • Privacy Policy & Disclosures
  • Recent Posts