Category Archives: c-electronics

General Electronics Posts

PMS5003 Air Quality Monitor Part 3 – Data Presentation

Posted on June 9, 2021 by Dan TheMan

After getting a week or so worth of data it was time to decide how I wanted to view it. I knew I wanted to see the output on a web page. The software for this project is going to … Continue reading →

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PMS5003 Air Quality Monitor Part 2 – Raspberry Pi and SQLite

Posted on May 28, 2021 by Dan TheMan

After watching my little program monitor the PMS5003 air monitor properly for a few days, it was time to move on to the next steps: migrating the program to a Raspberry Pie and writing data to an SQLite database. Moving … Continue reading →

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Reading PMS5003 Air Quality Sensors with Windows and Free Pascal

Posted on May 26, 2021 by Dan TheMan

Some time in the past several months, the PMS5003 Air quality sensor came to my attention. This sensor allows you to monitor PM1.0, PM2.5, and PM10 particles in the air. Some times the air quality around these parts gets quite … Continue reading →

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Installing Adafruit FT232H Breakout of the FT232H USB to Serial Converter

Posted on May 14, 2021 by Dan TheMan

I recently purchased an air quality monitor I want to play with. It uses a TTL serial interface. While I could connect it directly to a Raspberry Pi (and eventually plan to do so), to start I want to have … Continue reading →

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Repairing a female Molex .156 Found on Pinball Games

Posted on November 30, 2020 by Dan TheMan

I recently purchased the pinball game Funhouse, my all time favorite. The machine was refurbished and looks brand new inside and out. Shortly after receiving it I noticed that coin door functions were working erratically. Most importantly, the buttons used … Continue reading →

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The Ultimate Electronics Toolbox

Posted on May 25, 2020 by Dan TheMan

In the early 80’s I stumbled across a Plano 757 tackle box and purchased it to store my small assortment of electronic tools and parts. It quickly ended up at my office where I was constantly having to make cable … Continue reading →

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Woof Off! PCB Files

Posted on August 29, 2019 by Dan TheMan

Göran Cronström graciously shared the PCB CAD files he made for the Woof Off! project.  He created both a SMD version and a PTH version. Awesome, and thanks Göran! The SMD version is here: http://www.xyfyx.com/files/WoofOffFabSMD.zip While the PTH version is … Continue reading →

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Woof Off! – A Device to Control an Out-of-Control Barking Dog

Posted on March 13, 2018 by Dan TheMan

A friend came to me a few months ago asking for help building something to stop his neighbor’s barking dog. I’ve been having the same problem for a few years now, so I was definitely interested. I’m fortunate enough to … Continue reading →

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Poor Man’s Conductive Pre-Compliance Testing

Posted on December 19, 2017 by Dan TheMan

I want to do some pre-compliance testing on Scammer Jammer. I have an inexpensive spectrum analyzer to do radiated testing. Conductive testing requires more expensive equipment. First, you need an LISN device and, in my case, it needs to be … Continue reading →

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Scammer Jammer Telemarketer Call Blocker

Posted on December 18, 2017 by Dan TheMan

I’ve not posted much in the past 2 years because I’ve been busy on the project that was, in part, due to the research that I ended up posting here. I didn’t want to post anything specifically about this project … Continue reading →

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