Search Results for “8 bit” – Page 3

Radio manuals

Posted on2021-05-082021-05-08

Together with the ICOM radios we get the ‘basic manual’, which is okay to start with. But soon one wants to dive in a bit deeper and investigate the more advanced functions. For that purpose one can download a PDF file from the ICOM website, for both the IC-7300 and… Read the rest

Antenna matching unit

In the May newsletter of our local branch of the VERON, I came across a second hand manual antenna tuner (MFJ-971). It can alter the inductive and capacitive impedance of antenna’s so they match impedance of the transmitter. By doing so it maximizes the amount of power output of the… Read the rest

Radio & satellite tracking

Posted on2021-03-212021-03-22

With my new SDR (Software Defined Radio) I am able to listen to radio transmission ranging from 1KHz to 2GHz. This includes most amateur bands, long wave, short wave, HF, VHF and UHF. That’s a lot of options! The radio is a RSPdx from SDRplay: I started out simple by… Read the rest

Creating a nest box

Posted on2019-10-042019-10-05

My wife is really into nature; garden, bees, butterflies, birds. She develops our garden, taking into account creating a good habitat for all natural animals in our region. Bird house / next box Then she asks me to make her a bird house / nest box. Hey, what can a… Read the rest

Extension to the tool board

Posted on2019-09-212019-09-28

As some of you might know, I recently picked up woodworking again. I am in the process of building a French cleat tool board. Today I expanded my tool board still a bit further. A bit of extra space on the left French cleats expanded Also, I added some chisels… Read the rest

My new rig

Posted on2019-06-262019-06-271 Comment

Noise New Old Today my new rig arrived. See specs below. The primary reason for the new purchase is the sound of the old one that went between 50 and 60 dB; whereas t he new one has components that where selected for silence, and it pays off: Speed New… Read the rest

SCEPSIS

Simple CPU Emulator Program (Student Instruction System). That is the name of my new project. The idea stems from my hardware project, the 8bit computer. I thought, well, if this s possible in hardware, perhaps I can make a software version to give other people the chance to experiment with… Read the rest

Free XA !

Posted on2019-03-122019-06-20

We, a couple of IBM mainframe enthusiasts, have started a campaign to petition our friends at IBM to release MVS/XA and VM/XA along with 31bit compilers. Please take a minute to sign the petition and make ourselves be heard by the power that be at IBM. Sign the petition! [link… Read the rest

So, what is Geronimo370?

Posted on2019-01-042023-08-05

The name I have a habit of naming all my computers after Star Trek vessels. My source is this Wiki page. Geronimo is one of those vessels. I’m a fan of S/370 computing In case you didn’t notice, I like vintage computing like the IBM/370 architecture and the Operating Systems… Read the rest

S/370 printing to PDF

S/370 printing Wouldn’t we all like to have our S/370 output out of Hercules look like this? MVS print-outsVM/370 printouts How do we do that? There’s quite a bit of tinkering involved. I will do my best to describe how I did it below and on a few other pages.… Read the rest

Building my ‘datacenter’

Yes, Hercules runs on a Raspberry Pi, with MVS or VM, or even both! Today I received some stuff I ordered to be able to build my ‘datacenter’. Photo report follows below. Tomorrow I can start re-building my S/370 systems. One of the drives gave me some initial problems that… Read the rest

S/370 Operating Systems

So, let’s talk OS’s. There’s a number of them in the public domain that I know of. I’ll mention some of them below, describe them briefly and point you to more extensive information and downloadable versions. MVS3.8j MVS, or Multiple Virtual Storage, is an OS that is used in the… Read the rest

IoT : Internet of Things – beta test Totem Bus system

Posted on2018-02-14

IoT : Internet of Things – beta test Totem Bus system Feeling a bit privileged today… I’ve been invited to participate in the (beta) testing of the Totem Bus system. It is a system with which one can connect up to 128 modules on a “CAN Bus” and it includes… Read the rest

Totem Rotary encoder – explained

Posted on2017-12-182021-11-12

Totem Rotary encoder – explained How does it work? I was fumbling around with the Totem Mini Lab’s Side Panel 1, especially with the rotary encoder that s mounted on this side board. At first, I could not make heads or tails from it, but, using my oscilloscope, I’ve figured… Read the rest

Totem Mini Lab – first review

Posted on2017-12-03

Totem Mini Lab – first review A couple of weeks ago I came across the site of Totem. They make interesting stuff! Amongst other things they produce what they call a “Totem mini Lab” (see picture on the right, click for larger image). This seems a good setup for lesson… Read the rest