1.54 inch LCD Display Module 240 x 240 (Waveshare)

240×240, General 1.54inch LCD Display Module embedded ST7789 driver, using SPI bus Comes with examples for Raspberry Pi, Arduino, STM32, etc.

Features at a glance:

• 240×240 resolution, 65K RGB colors, clear and colorful displaying effect
• SPI interface, minimizes required IO pins, supports controller boards like Raspberry Pi/Arduino/STM32
• Comes with development resources (examples for Raspberry Pi/Arduino/STM32

Specifications:

• Operating voltage:  3.3V/5V 
• Resolution: 240 × 240 pixels
• Communication Interface: 4-wire SPI
• Display size: 27.72 × 27.72mm
• Display Panel: IPS     
• Pixel size: 0.1155 × 0.1155mm
• Driver: ST7789     
• Dimensions: 50 × 35mm

                                                      Controlled via SPI Bus

                              Supports controller boards like Raspberry Pi/Arduino/STM32

• VCC - Power (3.3V/5V input)
• GND - Ground
• DIN - SPI data input
• CLK - SPI clock input
• CS - Chip selection, low active
• DC - Data/Command selection (high for data, low for command)
• RST - Reset, low active
• BL - Backlight

                                                          Hardware connection
                                                    Connecting with Raspberry Pi

                                                   Connecting with Arduino board

                                                                   Living Example

                                                   Outline Dimensions

Package Includes:

• 1.54inch LCD Module x1
• PH2.0 8PIN 20cm cable x1

Downloads:

• Schematic
• ST7789VW Datasheet
• Wiki (More Details) 

Note: The 0.96inch OLED consists of 1/4 yellow upper section and 3/4 blue lower section, not a regular dual-color display.