Catalog > Internet of Things (IOT) Related Products > More Platforms UNO Based WiFi ESP8266 D1 Board UNO Based / WiFi / ESP8266 / D1 Board UNO Based WiFi ESP8266 D1 Board Part No: BSK ESP8266EX WIFI BOARD Call for Price (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Based on the ESP-8266EXArduino Compatible, you can use it on Arduino IDE11 Digital I/O pins1 Analog Input pinOTA -- Wireless Upload (Program)11 Digital I/O pins1 Analog Input pinOTA -- Wireless Upload(Program)On board switching power supply -- Max 24V input, 5V 1A output