Be carefull with Rpi5 !

On hard work pi5 come very hot and die !
A good fan cooling is obligatory

73's

Quote from: Emmanuel SV1BTL on Feb 02, 2026, 08:50 PMJust check once more your .toml file:

Hello Emmanuel

Config.toml was good, but not config-rx888mk2.toml    Sorry !

Bug repaired and now all work very fine

73's

PhantomSDR+ ( v.1.6.8 ) and Raspberry Pi5 with RX-888 MK2 can be build and function with some compromises.

[input]
sps=16000000 # Input Sample Rate
fft_size=262144 # FFT bins alt. 262144, 524288, 1048576, 2097152, 4194304, 8388608 (default), 16777216, look at https://www.mymathtables.com/numbers/power-exponentiation/power-of-2.html
fft_threads=2
brightness_offset=-7 # Waterfall brightness offset. Reduce to negative if you see black regions in the waterfall # brightness_offset=-8 when -g 40 -a 0 -m low
frequency=0 # Baseband frequency
signal="real" # real or iq
accelerator="none" # Accelerator: none, cuda, opencl
audio_sps=12000 # Audio Sample Rate
audio_compression="flac" # flac or opus
waterfall_size=1024
waterfall_compression="zstd" # zstd or av1
smeter_offset=7 # smeter_offset=7 when -g 40 -a 0 -m low

[input.driver]
name="stdin" # Driver name
format="s16" # Sample format: u8, s8, u16, s16, u32, s32, f32, f64

and start the server with:

#!/bin/bash
cd ~/PhantomSDR-Plus
killall -s 9 spectrumserver
sudo killall -s 9 rx888_stream
sleep 1

if test -e ~/PhantomSDR-Plus/rx888mk2.fifo; then
echo fifo alredy exists
else
echo creating fifo...
mkfifo ~/PhantomSDR-Plus/rx888mk2.fifo
fi
sleep 1

RUST_BACKTRACE=1

sudo ~/PhantomSDR-Plus/rx888_stream/target/release/rx888_stream -f ~/PhantomSDR-Plus/rx888_stream/SDDC_FX3.img -s 16000000 -g 40 -a 0 -m low --pga -r -d -o - > ~/PhantomSDR-Plus/rx888mk2.fifo &
sleep 1
~/PhantomSDR-Plus/build/spectrumserver --config ~/PhantomSDR-Plus/config-rx888mk2.toml < ~/PhantomSDR-Plus/rx888mk2.fifo &

exit

Max bandwidth achieved for smooth operation is 8MHZ.

Quote from: F1NSK on Feb 02, 2026, 07:32 PMJust a little bug, my SDR look as idle on the XYZ chart ....

Just check once more your .toml file:
[websdr]
register_online=true # If the SDR should be registered on https://sdr-list.xyz then put it to true

and check once more the other data in this section. You can paste it here, so to check it, and help with the setup.

1.6.8 works perfectly

Thanks Emmanuel

Hello Guys

1.6.8 is compiled on the new Core I7 and work fine !

http://orsat1.ddns.net:9002

"ORSAT" is the nickname for " OReille Sud ATlantique " in french ! 

In english, " The Ear of South Atlantic "   

Just a little bug, my SDR look as idle on the XYZ chart ....

Next job on Phantom, i will try to compile drivers for the Fobos SDR On the Core I3

Best regards and 73's

For those who already have v.1.6.7 and want to update to the newer v.1.6.8, the only thing they have to do is to download these files. No need for clean install:
├── frontend
│   ├── src
│   │   ├── App__analog_smeter_.svelte
│   │   ├── App__digital_smeter_.svelte
│   │   ├── App.svelte
│   │   ├── App__v2_analog_smeter_.svelte
│   │   ├── App__v2_digital_smeter_.svelte
│   │   ├── lib
│   │   │   ├── FrequencyMarkers.svelte
and recompile frontend (no need to restart server).

Manually added Bookmarks will now appear.
🔵 Blue bookmarks appear on top (manually added Bookmarks)
🟡 Yellow markers appear underneath
✅ Bookmark clicks take priority

Please read: https://github.com/sv1btl/PhantomSDR-Plus/blob/main/docs/USER_GUIDE.md#bookmarks

New (cumulative) update v.1.6.8 is released.

• Minor bugs are fixed.
• New bookmarks design. Now the bookmarks are shown and function as markers. You can add, delete, edit, upload and download bookmarks, for use in other PhantomSDR-Plus servers.

Download and install here: https://github.com/sv1btl/PhantomSDR-Plus

QuoteThe Dell Core I5 dont work 
Not enough power on the USB port to feed the RX888 so the bootloader works 1 time over 2

Maybe that Dell doesn't have a usb3 port. I have two I5s without usb3 ports, rx888mk2 doesn't work on them, RSP1 and RSP1A do.

The command to check if you have a USB3 port is:
lsusb -t | grep xhci
The result should be similar to this:

Quote/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M

or

Quote/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M

The first usb3 port is a slower, slightly older i5 laptop,
the second result is from a new minipc, both computers can run the rx888mk2.

73!
Darko, 9a7aof

Hello Emmanuel !

The mod is done !
You can link via XYZ ! 
Always with the test server...
The Dell Core I5 dont work 
Not enough power on the USB port to feed the RX888 so the bootloader works 1 time over 2
I will try a Lenovo Core I7 in the future

I learn a lot about Phantom and it's very pleasant and instructive.

Thanks to everybody for the sharing