Expansion Board for ESP2866 Block Type

?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.
ESP8266 Breakout Board
Fully compatible with the ESP8266 ESP-12E development board. Just to make your project more convenient.
This breakout board can expand one GPIO pin of esp8266 development board to two, which is convenient for users to reuse all pins in large-scale smart home projects. Nice breadboard alternative.
Specifications:
PCB material: high quality FR-4 material
PCB layers: 2 layers
PCB thickness: 1.6mm
Pads: tin plated
Size: 6.35 * 6.3 * 1cm