With 40Pin Jumper Wire20cm 40Pin Male-to-Female Jumper

0.96" IIC OLED LCD Screen LED 128X64 Display BlueFully compatible for Arduino, Raspberry Pi, 51 Series, MSP430 Series, STM32 / 2, CSR IC, etc; Supported voltage: 3.3V-5V DC；Driver IC: SSD1306; Communication: IIC, only two I/O ports； Viewing angle: greater than 160 degrees; 0.96inch OLED display module with high resolution of 128 x 64 pixels,no need backlight and self-illumination, OLED display Module 128x64 provides plenty of space for displaying elements

Micro SD Card Module with chip Level Conversion for Arduino,SDHC Card TF Card Adapter ReaderVoltage: 4.5V~5.5V DC; Current: 0.2~200mA; Communication Interface: Standard SPI; Interface Voltage Level: 3.3V or 5V; Level Conversion Circuit: Convert Micro SD card signal into 3.3V,; MISO signal of the control interface theis also converted to 3.3V, general AVR microcontroller systems can read the signal

Clock Module With No Coin Battery : DS3231 AT24C32 Clock Module Real Time Clock Module IIC RTC Module for Arduino . Calendar alarm clock with two programmable square-wave output . Generating seconds, minutes, hours, day, month and year information.