Programmable micro-Server SVR-B with ESP8266 Wi-Fi Module, LED Indication, Serial Stub Interface and 4MB Additional Flash Memory

SVR-B is an open frame development module featuring ESP8266. The device connects directly to a USB port with type A socket for power. It can operate connected to common cell phone battery chargers. The User may communicate with the module via Wi-Fi and web page interface.
SVR-B extends the common features of the popular NodeMCU module while preserving the same general size. The additional features are:

·         USB connector type which does not require cable for connection

·         4MB extra flash memory

·         Eight LEDs for indication of serial communication status and signal strength

SVR-B comes pre-loaded with a simple demo web application acting as a screen saver.

Features

·         Program the SVR-B micro-Server plug just like a NodeMCU (ESP-12E) module

·         Full-featured serial stub interface with FTDI chip (FT231XS-R) and RX /TX indication LEDs

·         Direct connection to USB with type A socket for programming and power

·         Additional 4MB flash memory on the SPI port for data storage

·         LED array for displaying status and signal strength

·         Tag-Connect programming connector target pattern for alternative in-circuit programming of ESP8266

·         Compact ultra-small design, not much larger than a NodeMCU (ESP-12E) module

• Preprogrammed demo firmware, available for download as open source from GIT