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..
Raspberry Pi – Running a program after the PIXEL desktop starts
Updated 21-4-2020 to correct typo. 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/lxsession/LXDE-pi/autostart Here’s the process: Open the autostart file: sudo nano[…]Click to read more..
RSGB Convention 2017 – Pi in the Shack Slides
The link below will take you to a PDF copy of the slides that I used for my presentations at the 2017 RSGB Convention. Pi in the Shack-Mike Richards RSGB 2017
bhi ParaPro EQ20-DSP Sound file
The following audio files have been provided to support my reviews of the bhi ParaPro EQ200-DSP power amplifier with noise reduction and parametric filtering. The first recording shows an aeronautical VOLMET signal as folows: 0-20 seconds – Origian signal 20-40[…]Click to read more..
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..
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..
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..
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..
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..
Airspy – Spy Server 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 attached zip file. Here’s a quick run[…]Click to read more..
Recover Damaged Mac HFS+ disk with Linux
A friend of mine recently set me a challenge to recover 2TB of photo files from a Mac external drive that had failed. Fortunately, it was the USB to SATA converter that failed, so I could extract the bare drive[…]Click to read more..
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..