carl9170fw
rpitx
carl9170fw | rpitx | |
---|---|---|
4 | 35 | |
37 | 3,828 | |
- | - | |
2.9 | 5.7 | |
12 months ago | about 2 months ago | |
C | C | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 only |
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carl9170fw
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Nvidia releases open-source GPU kernel-modules
The carl firmware at https://github.com/chunkeey/carl9170fw should put that argument to rest. That is Wifi firmware source code for the Wifi I currently use.
Easily changed likely means there's a physical knob somewhere that you could accidentially poke as a layperson.
Not that you get a three year CS education, figure out how your distribution packages dependencies, install the correct embedded toolchain (good luck), find out exactly which chip is in your device, fetch the proper firmware source code in the right version, build the thing, figure out how to flash the result onto the chip / read the Linux kernel sources to figure out the filename inside /lib/firmware. That's not easy.
Even if this entire process was packaged (it is--see <https://packages.debian.org/sid/firmware-linux-free>), it probably still doesn't count (or at least shouldn't count) as "easily" changed.
- The FSF’s relationship with firmware is harmful to free software users
- Framework: Open Sourcing Our Firmware
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GNU Radio
There are some cards with open source firmware, you might be able to modify it to do something like that.
https://github.com/chunkeey/carl9170fw/
rpitx
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Flipper Zero: Multi-Tool Device for Geeks
As someone with a HackRF PortaPack knockoff I got from ebay, I would agree that SDRs are better and cheaper than ever before. However, I think the average person will struggle with using a HackRF for more complex projects. I've used URH before, and while useful, it can be intimidating for beginners.
Also, while I like the RTL-SDR (and the price tag!), you can't transmit with it. While this isn't a deal breaker to everyone, if you'd like to clone a garage door remote, for example, you need to be able to transmit. While you could use something like a raspberry pi and rpix [0], but I think it is more work than it's worth for many. Also, multiple RTL-SDRs are required for higher bandwidth applications like ASTC TV or trunked radios.
With the flipper, I think the main draw for most is the point-click-done nature. Include the Android/iOS app and it makes it easy to configure on the go without a computer. The expandability is one of the main feature that will increase adoption over time compared to the HackRF+PortaPack which, from what I saw in the past, lacked longer-term support and regular updates and new features.
[0] https://github.com/F5OEO/rpitx
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Rust SDR Amateur Radio Network Interface
HackRF One is an option. There are a number of others. Legality varies by country/frequency/power level.
Can also make a Raspberry Pi act as a transmitter (https://github.com/F5OEO/rpitx), which could hit the zwave frequency but not the zigbee one. (Also, make sure to put a low pass filter on it.)
- FlipperZero: Month Battery Life with Firmware Update
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Looking for Low Voltage (5V) High Bandwidth (144MHz-420MHz) Amp (3-5 watts)
The warning at https://github.com/F5OEO/rpitx#hardware suggests a bandpass filter will be needed but has no additional info. https://github.com/F5OEO/rpitx/issues/40 looked promising but is closed.
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I can stream anything on a radio frequency
On a similar path, you might look at: rpitx
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Embedded Systems Weekly #128
RF transmitter for Raspberry Pi With this project you can turn your Raspberry Pi into an RF transmitter with only a filter to avoid interferences.
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Turn Raspberry Pi’s GPIO into an FM Transmitter
RPITX is the spiritual successor of your project!
https://github.com/F5OEO/rpitx
And it does work with nearly every RPi.
And unlike only doing FM (97MHz-108MHz), it can emit from an IQ datastream from 10KHz to 1.5GHz.
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GNURadio for Pi?
Hey everyone, I've recently discovered that the Raspberry Pi can act as a radio tranceiver, and am hoping to use it for security research. While projects such as rpitx act as a great tech demo, they don't offer me the modularity/parametrization I was hoping for. Ideally the end state for this would be a cheaper/less effective HackRF.
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How easy is it to make a pulse generator and simple spectrum analyser using arduino or raspbery pi? Which one would be easier to do?
The RPITX project supposedly can generate signals up to 1.5GHz with an unmodified Pi, though, which is interesting... a true spectrum analyzer needs a receiver end, though.
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Je možno imeti svoj radio?
če si vešč z linuxom (no z GNU-linuxom da ne razjezim folka) pa najdeš en raspberry pi, ti lahk to pomaga https://github.com/F5OEO/rpitx
What are some alternatives?
EmbeddedController - Embedded Controller firmware for the Framework Laptop
rpidatv - Digital Television Transmitter on Raspberry Pi
libnklabs - NK Labs Common Library
librpitx - Radio frequency transmitter library - Engine of rpitx
bcm5719-fw - BCM5719 firmware reimplementation
fl2k-examples - Example flowgraphs for osmo-fl2k
open-ath9k-htc-firmware - The firmware for QCA AR7010/AR9271 802.11n USB NICs
rtl_fl2k_433 - rtl_fl2k_433 - a generic data receiver and transmitter
MxGPU-Virtualization
hassio-addons - :heavy_plus_sign: Docker add-ons for Home Assistant [Moved to: https://github.com/home-assistant/addons]
mu - Project Mu Documentation
hassio-addons - Repository for hass.io add ons