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WIFI R3 ATMEGA2560 + ESP8266 WiFi Module with 32MB RAM USB-TTL CH340G for Arduino UNO R3 Compatible PCB Board
Product no longer available. The stores we track no longer sell it; last price seen $21.76.
Price history: 2 daily prices tracked since 2026-10-19; lowest $21.76, highest $21.76.

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