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Author Archives: Dan TheMan
Review: “A Guide to COBOL Programming” (and others) by Daniel D. McCracken
I just wanted to stick this quick note in with my other COBOL posts. Whilst reading the recently published book “The History of the FORTRAN Programming Language”, mention was made of McCracken’s book, “Digital Computer Programming” written in 1957. This … Continue reading
Forcing WordPress Back to Allowing Classic Editor
Having had my last post trashed by WordPress’s block editor, I have been avoiding using WordPress at all; however, yesterday I needed to go have a look at a post while using my laptop (which I almost never use with … Continue reading
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PMS5000 Air Quality Monitor Part 4 – Installing the Hardware (AKA WordPress BLOCK Mode F****** me)
I wrote a complete explanation of how I installed the PMS5000 and WordPress decided to discard it for me even though I was saving drafts every couple of paragraphs. A few months ago WordPress decided to drop support for their … Continue reading
PMS5003 Air Quality Monitor Part 3 – Data Presentation
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
PMS5003 Air Quality Monitor Part 2 – Raspberry Pi and SQLite
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
Reading PMS5003 Air Quality Sensors with Windows and Free Pascal
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
Installing Adafruit FT232H Breakout of the FT232H USB to Serial Converter
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
Accessing HP3000 with Telnet and puTTY
Telnet has never worked properly on my physical HP3000. I never needed it so I never fixed it. I decided to to track down the problem this evening. Fixing the telnet server was fairly easy – in 2001 someone altered … Continue reading
Replacing HP3000 Series 928LX SCSI Hard Drive with SCSI2SD SD Card interface
My HP3000/928LX uses a Fast SCSI hard drive. Not only are these are no longer available new, they are getting hard to find and expensive used. Not that I start the HP3000 that often, but every time I do I … Continue reading
Repairing a female Molex .156 Found on Pinball Games
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
