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 As a result many of the online tutorials for adding a GPS USB dongle are out of date.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..
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..
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 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..
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..
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 Server starts. The excellent Airspy Spy Server can easily be used as[…]Click to read more..
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..
NB: Updated 8th 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: For Spy Server to work, you must install the Spy Server software[…]Click to read more..
To automatically run a python program when the LDXE environment loads, you need to add a command to the lxsession autostart file. Here’s the process: Open the autostart file: sudo nano /home/pi/.config/lxsession/LXDE-pi/autostart Add this new line: @python yourscript.py NB: Obviously, you replace[…]Click to read more..
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