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positiveSYS.SOURCE: Peter's electric trick and electronic blog• 2026-08-02T06:56:38Z

ESP32-C3 SuperMini Antenna Enhancement Using Quarter-Wavelength Wire Modification

#hardware#antenna#esp32#wifi#modification

The article describes a hardware modification to enhance the WiFi range of ESP32-C3 SuperMini modules by replacing the original SMD antenna with a 31mm silver-plated quarter-wavelength wire, achieving 6-10dB signal strength improvements. Testing demonstrated stable connectivity improvements, particularly in challenging environments and at greater distances from access points.

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