AZDelivery 5 x ESP8266 01S ESP Serial Wireless WLAN WiFi Transceiver Module 80MHz 1MB Flash 5V with Relay Adapter compatible Arduino Including E Book!

✅ Fully compatible with different open-source firmwares such as Tasmota that are available online. ✅ Practical and inexpensive set: The transceiver module with microcontroller and 1-relay for up to 50V AC/ 5A or 30V DC/ 5A compatible with Ardunio. Dimensions (LxWxH): 45 x 28 x 19 mm. ✅ Convenient: The module can be switched with only one GPIO. Control of the relay via WLAN 802.11 b/g/n. The controller is equipped with a flash memory of 1 MB and the processor with a speed of 80 MHz for autonomous operation. ✅ The module is equipped with a generously dimensioned relay to reliably perform several switching operations. Simple handling due to a digital input, therefore no library/programme library is necessary. ✅ This product includes an E-Book that provides useful information on how to begin your project, it helps with a quick setup and saves time on the configuration process. We provide an array of application examples, full installation guides and libraries.