KeeYees ESP8266 Breakout Board GPIO 1 into 2 for ESP8266 ESP-12E Development Board (2PCS)

√【For ESP8266 ESP-12E】: Specially designed by KeeYees technical team. It is fully compatible with ESP8266 ESP-12E.. √【GPIO 1 into 2】: This expansion board can expand one GPIO pin of Development Board to two, which is convenient for users to reuse pins for large-scale smart home projects.. √【2 Type Connections】: Two connection methods: Pin Header Connector & Screw Terminal. Just select them according to your purpose.. √【Double-Layer PCB】: The expansion board is a double-layer board. One pin is wired on both sides. Therefore, the circuit is stable and highly reliable, and there will be no poor circuit contact and unstable signal transmission.. √【Updated Version】: Compared with the previous version, the board of this version has been soldered completely. No need to solder parts by yourself, which is very convenient to use.