Category Archives: Uncategorized

Copy files from an HP3000/XL Computer System to a SIMH HP3000/Classic

In my prior post, Instructions for Emulating an HP3000 with SIMH, my enclosed PDF of instructions discusses getting files onto the SIMH HP3000 using Reflections or creating a SIMH format tape. Both of these options have limitations if you want … Continue reading

Posted in c-retro, Uncategorized | Tagged | 1 Comment

Watch Dog Timer (WDT) for Teensy 3.1 and 3.2

I have had an ongoing Teensy project that is rather complex. Once in a great while (months), one of the units will hang somewhere in networking code. This is unacceptable and I’ve needed to implement a WDT, but I’ve been … Continue reading

Posted in c-teensy, Uncategorized | Tagged , | 3 Comments

Making a Data Only Cable For Teensy/Arduino/Nano

Been working on a complicated teensy project that is going to the other side of the state for testing. So I’ve been building a testing platform that consists of a Raspberry Pi connected to the Teensy via USB. I can … Continue reading

Posted in c-arduino, c-rpi, c-teensy, Uncategorized | Tagged | 1 Comment

Using Bondic Plastic Welder (Glue)

I was given a Bondic applicator a few months ago: Found here for about $23: I finally got around to using it today. The stuff works great for me. I noticed one of the bars of the luggage rack … Continue reading

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Wiring Wiz820io Ethernet Module to Teensy 3.1 (or 3.2)

I have a Teensy 3.1 and Wiz820io Ethernet Module I want to connect together. PJRC does sell a little shield for the Wiz820io, but I plan to mount the Teensy to a PCB and want to do the same with … Continue reading

Posted in Uncategorized | 5 Comments

FCC Proposes Blocking ‘Hacking’ of Router Firmware

I can’t really add more than can be found here. Please, send feedback to the FCC, there are only a few days left.  

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Using Just BASIC to Give a Young Person a Glimpse at Programming

I periodically either am asked what language should be used to show a young person, typically a high schooler, the basic concepts of programming or I find I am in the position of giving a quick explanation myself. All of … Continue reading

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AMAZON: Why did you screw up your shipment confirmations?!!!

Dear Amazon, Since you seem to have no way for customers to make suggestions, I’ll post this here. You’ll never see it, but at least I will have a chance to vent. At the beginning of the year you decided … Continue reading

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Washington State Cannot use AliExpress/Alibaba

Tried to purchase an 74HCxx IC kit from AliExpress today. Worked right to the point of making the actual purchase and it choked with a message along the lines “We cannot ship to your region”. A little research shows the … Continue reading

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Android Focus

I need to migrate an old program from Lazarus (Windows) to Java (Android). I have to learn enough Java to do the migration so I expect to spend the next month or two spending all my spare time on this … Continue reading

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