![]() ![]() The RSSI for each point is recorded, and when the scan is complete, the antenna swings back to the strongest point. Tired of manually moving the popsicle stick and paperclip antenna, he built a two-axis scanner to swing the antenna through a complete hemisphere. The build started with a “WiFi divining rod” created from a simple homebrew Yagi-Uda and an ESP8266 to display the received signal strength indication (RSSI) from a specific access point. ![]() Still, we can see applications where a scanning Yagi-Uda antenna would come in handy. And indeed it seems built this more for fun than for practical reasons. With saturation WiFi coverage in most places these days, optimizing your signal might seem like a pointless exercise. ![]() Want to know which way to point your WiFi antenna to get the best signal? It’s a guessing game for most of us, but a quick build of a scanning WiFi antenna using mostly off-the-shelf components could point you in the right direction. ![]()
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