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Freelance Technical Author, Illustrator & Photographer

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Home / Blog

Raspberry Pi – Transfer WSJT-X, JS8Call and FLDIGI settings to a new image

Several customers have asked me how they can move their settings and macros from one Pi image to another. This post attempts to simplify the process. To preserve your settings, you just need to copy a few files from the[…]Click to read more..

Posted on 3rd May 2019 by Mike Richards — 2 Comments

Raspberry Pi 3+ & Ubuntu Mate – WARNING

Having just wasted time trying to get this going, I’ve discovered that the Ubuntu Mate download on the official Raspberry Pi site doesn’t work on the Pi3B+! This has been known about since March but has not been resolved! The supplied[…]Click to read more..

Posted on 22nd November 201822nd November 2018 by Mike Richards — 2 Comments

Raspberry Pi Stretch – GPS Dongle as a time source with Chrony & Timedatectl

The latest release of Raspbian Stretch for the Pi has replaced the familiar NTP application with a lightweight solution using timedatectl. As a result many of the online tutorials for adding  a GPS USB dongle are out of date. After some[…]Click to read more..

Posted on 21st April 201822nd April 2018 by Mike Richards — 21 Comments

Red Pitaya – Buyer Beware

My Red Pitaya failed recently after about 2 years of occasional use. It’s probably a 3.3V power regulator fault but the Red Pitaya team won’t supply component details and don’t have a repair option! So that’s £250 gone and not[…]Click to read more..

Posted on 17th March 201817th March 2018 by Mike Richards — 4 Comments

Raspberry Pi – Multiple Instances of RTLSDR as a Service

My Raspberry Pi RTL Dongle server cards run the server as a service under systemd. This has several benefits including a better-defined start and the facility to stop/restart a service gracefully. One of my customer recently asked if it was[…]Click to read more..

Posted on 6th March 20196th March 2019 by Mike Richards — 1 Comment

Windows 10 Backup and Restore

Windows 10 still includes the Backup and Restore facility from Windows 7 but it’s been hidden! Here’s how to find it: In the Windows search box (bottom left of screen) enter: control panel Open the control panel and in the[…]Click to read more..

Posted on 26th September 2018 by Mike Richards — Leave a comment

PiFace on the Raspberry Pi – Problem Solved!

Introduction I recently wasted many hours trying to get the PiFace board to work with Python. I eventually discovered the root cause of the problem, so have documented it here, both for my own reference, and for anyone else who might[…]Click to read more..

Posted on 1st April 201816th April 2018 by Mike Richards — 7 Comments

Raspberry Pi – Running Spy Server as a service

Updated 8th March to clarify the requirement for Spy Server to be pre-installed. Updated 8th Aug 2018 to add a start-up delay to the rtlsdr.service file. This is to ensure that an IP address has been allocated before the Spy[…]Click to read more..

Posted on 16th March 20188th March 2019 by Mike Richards — 6 Comments

Raspberry Pi – Update to WSJT-X v2.0.0

Version 2.0.0 of WSJT-X brings several new enhancements but is incompatible with previous versions of WSJT-X. As a result, all users must update to version 2.0.0. The update process shown below can also be used for a new installation. In[…]Click to read more..

Posted on 12th December 201823rd December 2018 by Mike Richards — 4 Comments

Repairing Corrupt System Files in Windows 10

** Updated 3rd Jan 2019 – To add extra DISM commands and recovery options. Windows includes a number of tools to get you out of a fix if your computer starts misbehaving. In this post, I’ll run through the repair[…]Click to read more..

Posted on 20th September 20183rd January 2019 by Mike Richards — Leave a comment

RTL-SDR Server as a service on Raspberry Pi

NB: Updated 21st Aug 2018: Changes to the rtlsdr.service file to add a start-up delay to ensure an IP address has been allocated before starting the server. NB: This post assumes that you have already installed the RTL-SDR server on[…]Click to read more..

Posted on 21st March 201821st August 2018 by Mike Richards — 7 Comments

Raspberry Pi – Running a program after the PIXEL desktop starts

To automatically run a python program when the PIXEL loads, you need to add a command to the autostart file that can be found here: /etc/xdg/xsession/LXDE-pi/autostart Here’s the process: Open the autostart file: sudo nano /etc/xdg/xsession/LXDE-pi/autostart Create a new line[…]Click to read more..

Posted on 16th March 201819th June 2019 by Mike Richards — 2 Comments

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All Pi cards updated for the new Pi-4B using Raspbian Buster! Dismiss