ESP8266 0.96 Inch OLED Display WiFi Clock Module SSD1306 ESP-12F USB 5V Power Supply

nullFeature 1 Onboard mature and stable ESP 12F WIFI module large capacity 4M BYTE FLASH 2 Onboard I2C communication interface 0 96 inch OLED display 3 Provide reference codes and documents under OLED display 51 STM32 and other environments 4 Onboard PCF8563T clock circuit it can run normally even if the power is off 5 Reserve ESP8266 UART interface support secondary development and write your own firmware 6 Provide ESP8266 factory firmware schematic diagram 7 Power supply MICRO USB 5V power supply Function 1 0 96 inch OLED display the drive IC is SSD1306 2 ESP 12F WIFI module FLASH capacity is 4M BYTE 3 MICRO USB 5V power supply interface 4 PCF8563T clock chip 5 CR1220 button battery power the clock circuit after power off battery is no includes 6 UART program download interface IO0 and GND are short circuited during download 3V3 TXD RXD GND are connected to 3V3 RXD TXD GND of external TTL serial port module such as FT232 module After the download is complete disconnect IO0 and GND 7 OLED interface SDA SCL GND 3V3 Package includes 1 x 0 96 inch disply1 x Wifi module