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wezerl t1_ivbidyc wrote

Reply to comment by Orcwin in Researchers create a Drone That Can 'See Through Walls' With Wifi | At the University of Waterloo recently fixed one up with a scanning device that is the definition of invasive. by chrisdh79

I checked on Aliexpress, all parts together cost roughly 10€ including shipping. ESPCAM ~7€, ESP8266 1.25€, Voltage Regulator 1.40€

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Orcwin t1_ivbj63v wrote

There's an ESP32 on there too, but those go for around €2, so it doesn't add much.

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wezerl t1_ivbjb95 wrote

The board they used is called ESPCam on Aliexpress, it's an ESP32 with a microsd slot and a connector for a camera.

Edit: Those are a bit more expensive since they come with a Camera module

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