Ujjdwiurgh 2PCS ESP8266 Breakout Board GPIO 1 Into 2 for ESP8266 ESP-12E NodeMCU Development Board

[For ESP8266 ESP-12E]: It is fully compatible with ESP8266 ESP-12E. [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 be no poor circuit contact and unstable signal transmission. [2 Type Connections]: Two connection methods: Pin Header Connector & Screw Terminal. Just select them according to your purpose. [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. [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.