Here is a technique for creating an image of an SD card (or any other filesystem) and then reducing the size of that image to exclude unallocated space in the image file system. If you are doing this on a[…]Click to read more..
Raspberry Pi Tips Auto-Starting rtl_tcp during boot To avoid having to use ssh to access the Pi and start the rtl_tcp stream, we can hook into the rc.local script to automatically start the server if an IP address is available[…]Click to read more..
Pi-mote Controlling mains powered devices with the Raspberry Pi has always been a problem and one that I’ve previously handled by using relays to isolate the Pi from the mains. However, I’ve recently discovered a much neater solution from the[…]Click to read more..
MathWorks is used extensively by professional engineers as a design tool. One of the products that caught my eye was SimuLink which is a visual programming environment. SimuLink can be used for a wide variety of design problems but of[…]Click to read more..
Installing RTL SDR Software NB: UPDATED 20 July 2018 Added copy command for udev rules Amended required packages to include git and libusb-1.0.0-dev Manual Installation The first step is to install a few packages that are required by the RTL-SDR[…]Click to read more..
Solving the rtl-sdr Segmentation Error on Raspbian (16-2-2015) The problem appears to be caused by the 11.1 version of libusb-1.0 that is used for the current Raspbian build. Upgrading to the latest version, 19.1, solves the problem. The following procedure[…]Click to read more..
Just taken delivery of one of the new PiCE. This is a great new all metal Raspberry Pi case from Elson Designs. The case is very well built and includes a camera mount as well as an assortment of blanking[…]Click to read more..
I’ve been looking for a compact wireless keyboard and mouse for use with my Raspberry Pi and think I’ve just found the ideal solution. The Perixx Periduo-707 Plus is a very compact wireless keyboard that measures just 320mm x 140mm.[…]Click to read more..
The Pi comes configured to use the on-board sound system by default. This a problem for those that want to use the higher quality or stereo in and out available from an external USB soundcard. The solution is to change[…]Click to read more..
In my last Decode column I gave details of the UKHASnet network along with links on how to build your own super cheap nodes and start experimenting. Having spent some time playing with these I have a few tips that[…]Click to read more..
One of the few weaknesses of the Raspbery Pi is the location of the SD-Card socket that protrudes from the end of the board. If handled clumsily it is very easy to snap-off the retaining lips on the card carrier[…]Click to read more..
Once you start using your Raspberry Pi you will doubtless find times when you need to transfer a file or two from your PC to the Pi. If your Pi is connected to your local network (Ethernet or WiFi) the[…]Click to read more..