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Home / Raspberry Pi

Category: Raspberry Pi

WSJT-X 2.3 – Transmit Audio Failure with PiOS

Thanks to a report from John, GM0WRR, I have identified a problem with WSJT-X 2.3 and the use of PulseAudio on the Raspberry Pi. When setting the input and output soundcard you would normally set both to pulse. However, if[…]Click to read more..

Posted on 19th March 2021 by Mike Richards — Leave a comment

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

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 — 14 Comments

Packet Radio with the Raspberry Pi

Packet Radio TNC with the Raspberry Pi ** Updated 21-2-18 The Pi plus a USB soundcard is all you need to get started with Packet Radio. Instead of using a dedicated hardware TNC, the Pi can be coaxed to do[…]Click to read more..

Posted on 12th October 201721st February 2018 by Mike Richards — 2 Comments

Raspberry Pi – Update to WSJT-X 2.3.0

WSJT-X 2.3.0 introduces a new logging system that requires the installation of some additional packages. As a result, upgrading is not quite as simple as with previous versions. Here’s a step by step guide. Begin by updating the operating system[…]Click to read more..

Posted on 3rd February 20213rd February 2021 by Mike Richards — 14 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

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 — 9 Comments

Airspy – Spy Server – Useful scripts

I’ve had Spy Server working very successfully with the Pi 3 for a while now and have written a few time-saving scripts that others might find useful. These can be found in the zip file below. Here’s a quick run[…]Click to read more..

Posted on 3rd August 201724th July 2018 by Mike Richards — Leave a comment

Installing & upgrading CQRLOG on a Raspberry Pi

Updated 17 July 2020 to add missing wildcards from the apt install line! CQRLOG is one of the most complete contact logging programs for Linux and the Raspberry Pi, but building the latest version from source can be problematic. In[…]Click to read more..

Posted on 14th July 202017th July 2020 by Mike Richards — 9 Comments

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

The latest release of Raspbian Buster 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[…]Click to read more..

Posted on 21st April 20186th February 2020 by Mike Richards — 39 Comments

Raspberry Pi – Fixing a slow mouse

I recently changed my keyboard/mouse combo to a Perixx Periduo-712. When I restarted the Pi, I found that my mouse pointer had become very slow. A quick look around the Internet revealed a fix as follows: To speed-up the mouse,[…]Click to read more..

Posted on 15th February 201815th February 2018 by Mike Richards — 4 Comments

Running SpyServer on a Raspberry Pi-3

*UPDATED 31st October 2018: A few typos corrected and instructions updated for Stretch. Also made amendments for Airspy-Mini receiver. NB: Spy Server is undergoing active development so it’s important to regularly update both Spy Server and SDR Sharp. Introduction SpyServer[…]Click to read more..

Posted on 25th May 201731st October 2018 by Mike Richards — 58 Comments

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All Pi cards updated for the new Pi-400 using the latest Raspberry Pi OS! Dismiss