BlueOS on One Pi, ArduPilot on Another: How the ROV Companion Computer Architecture Works
Yes, you can run BlueOS and ArduPilot on separate Raspberry Pis for an ROV. Here’s how they connect, what each board does, and whether you actually need both.
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Raspberry Pi 4 vs Novastar for HUB75 LED Panels: Driving 10× P5 Panels on a Budget
A Raspberry Pi 4 can drive 10× P5 HUB75 panels using free open-source software — but the adapter board, power supply, and video workflow each need to be handled correctly.
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Drone-Mounted BLE Scanners for Search and Rescue: Commercial Options and DIY Builds
Drone-mounted BLE scanning for SAR works — there’s already a commercial product (BlueFly) and a viable DIY Raspberry Pi path. Here’s what you need to know about both.
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How to Use a Drone-Mounted BLE Scanner for Search and Rescue (DIY and Off-the-Shelf Options)
BLE-equipped drones can detect smartphones, wearables, and medical devices on missing persons. Covers commercial options like BlueFly and a Raspberry Pi DIY build.
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Drone BLE Scanning for Search and Rescue: Commercial Hardware, DIY Raspberry Pi Builds, and Real-World Tradeoffs
A drone flying a grid pattern while logging Bluetooth Low Energy signals can meaningfully narrow a search area. Here’s how aerial BLE detection works, what commercial products now exist, and how to build your own with a Raspberry Pi.