Author Archives: Dan TheMan

Poor Man’s Conductive Pre-Compliance Testing

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

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

Posted in c-electronics, c-lazarus, c-Misc, c-teensy | Tagged | 2 Comments

Create MAP file when Compiling for Teensy in Teensyduino

I needed to generate a compiler .MAP file for a project to examine my global variables. Sifting thru various somewhat vague explanations for generating a MAP file in the arduino IDE, I got it figured out. In your Arduino/Teensyduino directory … Continue reading

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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

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Using tcpdump with DD-WRT

I’ve been having a weird networking issue. I’m having trouble determining if it is Comcast’s issue or mine. I see the packets in question leave the remote client, but they never come out the inside ethernet port of my comcast … Continue reading

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Compiling Free Pascal / Lazarus on Orange Pi

I had no issues following my instructions, Compiling the Latest Lazarus/Free Pascal for Raspberry Pi. This was, as usual, not a short process. It takes an hour, easy, assuming no mistakes are made. I also noticed that the compiler hits … Continue reading

Posted in c-opi | 4 Comments

Orange Pi and Teensy Loader Work Together

I have installed RPI Linux Installer of Teensyduino on an RPI previously. I simply took the teensy loader code and copied it from the RPI to the OPI, and tested it. The testing was not extensive, but the software did … Continue reading

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Orange Pi Setup / Use Issues

I followed my own ‘setup’ procedure with my new OPI. This includes building standard users, installing software I always use (FTP, SMTP, etc), and so on. This gave me a chance to see what kind of issues I might have … Continue reading

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Orange PI One Installation

I picked up an orange pi on ebay to experiment with. The smallest ones are really cheap (~$10) and have the only ports I need – Ethernet/RJ45 and a USB port. I just need to be able to ssh into … Continue reading

Posted in c-opi | Tagged | 1 Comment

Providing increased water flow for a 5G Bucket Evaporative Cooler

I recently built a 5G bucket swamp cooler very similar to this: I used a tack like he does to puncture the water supply hose and I simply could not get enough water to keep the pad moist. I went … Continue reading

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