Due to a recent update of the Raspbian Kernel (version 5.10 and newer), the audiosense-pi module could no longer be used to record the I2S signal from the DABBoard. This issue was now finally solved. You can use a new overlay file to record I2S again and get the full digital audio to the Raspberry Pi.
Instructions how to do that are here:
Use this overlay file to create DAB+ recordings, play DAB+ over the Raspberry Pi HDMI connector or even through a bluetooth speaker.
A really good article about our DABBoard has appeared in the September/October issue of the Raspberry Pi Geek magazine (German, 6 pages).
The article, written by Bernhard Bablok, contains a lot of valuable information and a nice introduction to the DABBoard. There are even instructions of how to add a turning knob to the Raspberry Pi in order to tune to different stations or adjust the volume.
“Das DAB Board von uGreen bietet viele Möglichkeiten für eigene Radioprojekte, und sei es nur zum Nachrüsten eines entsprechenden Empfängers für den heimischen Receiver. …”, (Translation: “The uGreen DABBoard offers many possibilities for your own radio project, for example to build an extension for a home-used receiver. …”, Bernhard Bablok, Raspberry Pi Geek 2020)
We have greatly improved the radio_cli tool to allow better automated access of the Si468x DABBoard. The useful command-line tool in version 2 can now be called with a -j parameter. This will output all responses as json. In this way, the radio_cli can now be easily included in all kind of software projects, like user-interfaces or automation projects for the Si468x.
Furthermore, the newest firmware of versions 6.0.6 (DAB) and 5.1.3 (FMHD) is included.
We have released a flexible API as a terminal tool to use the Si468x as a DAB processor in your projects.
The radio_cli named tool has the Si468x firmware compiled in. It allows control of all the main functions of the Si468x in a simple way. The tool saves you from worrying about the low-level functions when using the Si468x.
Booting up the Si468x now becomes as simple as running ./radio_cli --boot=D
and tuning to a station is simply ./radio_cli --frequency=11
Get more information from the instructions pdf or run ./radio_cli --help
uGreen lauches the first Raspberry Pi DAB+ extension board with on-board audio-out headphone connector, based on the Silicon Labs Si4688 chip. The board allows simple DAB+ listening with your Raspberry Pi with a provided terminal software. Starting today, it can be purchased from our webshop.
uGreen successfully applied to the Climate KIC and innovate4climate stage 2 accelerator. The highly competitive Climate KIC accelerator program supports innovative startups with a focus on CO2 emission savings. During a short time span, the startup gets coaching to develop the business model and funding to develop the first product.
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