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Then, you get a web interface you can log into and see bird sounds identified in real-time. Having equipped your Pi with a USB sound card, you can make it do 24/7 recording and analysis using a “lite” version of BirdNET.
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We can’t wait for someone to bring BirdNET to a RP2040! The code’s open-source, the models are freely available – there’s hardly a use case one couldn’t cover with these.Ībout that Raspberry Pi version! There’s a sister project called BirdNET-Pi – it’s an easy-to-install software package intended for the Raspberry Pi OS. However, the BirdNET team also talks about bringing sound recognition to our browsers, Raspberry Pi and other SBCs, and even microcontrollers.
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Starting with likely the most popular option among us, there are iOS and Android apps – giving the microphone-enabled “smart” devices in our pockets a feature even the most app-averse hackers can respect. There’s plenty of ways BirdNET can help you. No doubt, BirdNET is aiming to become a one-stop shop for identifying birds as they sing. What strikes us is – this project is impressively featureful and accessible for a variety of applications. BirdNET uses a neural network to identify birds by the sounds they make, and is a joint project between the Cornell Lab of Ornithology and the Chemnitz University of Technology. Recently, we’ve stumbled upon the extensive effort that is the BirdNET research platform. Posted in Raspberry Pi, Wireless Hacks Tagged 2.4ghz antenna, antenna, compute module, compute module 4, Raspberry Pi Compute Module, wifi It makes sense to stick to the design guidelines if WiFi’s critical for you – after all, even the HDMI interface on Raspberry Pi can make its own WiFi radio malfunction. ’s been testing things like these every now and then – a month ago, his ESP8266 GPIO 5V compatibility research led to us having a heated discussion on the topic yet again. If you’re lucky to be able to design with a CM4 in mind and an external antenna isn’t an option for you, this might help in squeezing out a bit more out of your WiFi antenna. Of course, there’s way more variables that could affect RSSI results for your own designs – thankfully, the scripts used for logging are available, so you can test your own setups if need be. Having that data plotted, it would seem that, while presence of an under-antenna cutout helps, it doesn’t affect RSSI as much as the module placement does.
made tests with three configurations in total – the CMIO4 official carrier board which adheres to both of these rules, carrier board A which adheres to neither, and carrier board B which seems to be a copy of board A with a ground cutout added.Īfter setting up some test locations and writing a few scripts for ease of testing, recorded the experiment data. There’s two recommendations for making WiFi work well on the CM4 – placing the module’s WiFi antenna at your carrier PCB’s edge, and adding a ground cutout of a specified size under the antenna. It appears that the carriers he used were proprietary, but provides sketches of how the CM4 is positioned on these. decided to do a straightforward test – measuring WiFi RSSI changes and throughput with a few different carrier boards. The Raspberry Pi Compute Module 4 has a built-in WiFi antenna, but that doesn’t mean it will work well for you – the physical properties of the carrier board impact your signal quality, too. When a piece of hardware is dead and gone, a Raspberry Pi can be a great way to breathe new life into an attractive old case! Posted in Playstation Hacks, Raspberry Pi Tagged playstation 2, raspberry pi We’ve seen Raspberry Pis stuck in everything from laptops to monitors, as well as plenty of retro hardware too.
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Whether it’s for watching movies or playing emulated games with the PS2 controllers, the little media center build is sure to do well. Finally, a Noctua fan was installed atop the Pi to make sure it never gets too hot. Adapters are used to make the controller ports work, as well. The front USB ports work, too, and the optical drive was removed to make way for a 2 TB Toshiba external drive. A slot was then cut into the back to allow the HDMI port to be hooked up. The original ports on the back, including the USB and Ethernet port, were then wired up to the Pi to make them fully functional. The PlayStation 2 was gutted, with a Raspberry Pi 3B installed inside. Pretty tidy, right? All those ports work! Okay, not the memory card slots.
The result is a tidy little media center device. has instead installed one inside a PlayStation 2 Slim, and rather artfully at that. We often see Raspberry Pi boards of various flavors stuck inside vintage computers and the like.
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