Adafruit 5393 -1.47 inch 320x172 Round Rectangle Color IPS TFT Display - ST7789

The Adafruit 5393 is a premium 1.47-inch round rectangle color IPS TFT display featuring 320x172 pixel resolution and ST7789 controller integration, designed for embedded systems and IoT applications requiring compact, high-quality visual feedback. Professional developers and electronics engineers use this display for smartwatch interfaces, portable medical devices, industrial control panels, and consumer IoT products where space constraints demand elegant form factors without compromising color depth or viewing angles. This display solves the critical challenge of delivering vibrant, wide-angle color visualization in ultra-compact packages while maintaining low power consumption and seamless microcontroller integration.

Product Overview

The Adafruit 5393 combines cutting-edge IPS (In-Plane Switching) technology with the efficient ST7789 display controller to deliver exceptional color accuracy and wide viewing angles up to 178 degrees. The round rectangle form factor with 1.47-inch diagonal provides 320x172 resolution, delivering approximately 280 pixels per inch for crisp, detailed graphics and text rendering. The IPS panel technology ensures consistent color reproduction across all viewing angles, eliminating the color shift and contrast degradation common in TN panels. With 16-bit color depth supporting 65,536 colors, this display excels at rendering gradients, photographs, and complex UI elements essential for modern embedded applications.

The ST7789 controller integrated within this display module streamlines hardware design by managing display timing, color conversion, and refresh cycles autonomously. Communication occurs through a standard SPI (Serial Peripheral Interface) protocol, requiring only four to six GPIO pins from your microcontroller for complete control. The display operates at 3.3V logic levels with integrated voltage regulators, making it compatible with Arduino, Raspberry Pi, STM32, and ESP32 platforms without additional level-shifting circuitry. The round rectangle design with curved edges provides aesthetic appeal for consumer-facing devices while the compact footprint enables integration into space-constrained wearables and portable instruments.

Key Specifications

Specification	Details
Product Type	Color IPS TFT Display Module
Brand	Adafruit
Model Number	5393
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp
Display Size	1.47 inches diagonal
Resolution	320x172 pixels
Pixel Density	Approximately 280 PPI
Display Type	Round Rectangle IPS TFT LCD
Color Depth	16-bit RGB (65,536 colors)
Controller	ST7789 with integrated driver
Interface	SPI (Serial Peripheral Interface)
Operating Voltage	3.3V logic level
Viewing Angle	178 degrees (IPS technology)
Response Time	Typical 5ms
Brightness	High brightness with excellent contrast
Refresh Rate	60 Hz standard

Key Features

• IPS Panel Technology: 178-degree viewing angles with consistent color reproduction regardless of viewing direction, eliminating color shift and ensuring professional-grade visual quality for applications requiring multiple observer angles
• Compact Round Rectangle Design: 1.47-inch form factor with curved edges provides aesthetic appeal for consumer wearables, smartwatches, and portable medical devices while maintaining 320x172 resolution for detailed graphics
• ST7789 Controller Integration: Autonomous display management via SPI protocol requires minimal GPIO pins, simplifying firmware development and reducing microcontroller overhead for embedded systems
• 16-Bit Color Depth: 65,536 color palette enables smooth gradients, photorealistic image rendering, and complex UI designs essential for modern IoT and consumer electronics applications
• 3.3V Compatible: Direct compatibility with Arduino, Raspberry Pi, ESP32, and STM32 platforms without level-shifting circuitry, accelerating prototyping and reducing component count
• High Pixel Density: 280 PPI delivers crisp text rendering and detailed graphics, critical for information-dense displays in portable instruments and wearable devices

Applications and Use Cases

• Smartwatch and Wearable Interfaces: The round rectangle form factor with IPS display perfectly suits smartwatch applications, providing vibrant UI elements, health metrics, and notification displays with excellent visibility from all wrist angles
• Portable Medical Devices: Blood glucose monitors, pulse oximeters, and portable ECG devices benefit from the compact size and high color depth for displaying vital signs, waveforms, and status indicators with clinical-grade clarity
• Industrial IoT Control Panels: Handheld industrial controllers and field instruments utilize this display for real-time sensor data visualization, equipment status monitoring, and parameter adjustment interfaces in harsh environments
• Consumer IoT Devices: Smart home controllers, portable weather stations, and fitness trackers leverage the attractive round rectangle design and efficient SPI interface for responsive, power-efficient user interfaces
• Embedded Prototyping Platforms: Arduino and Raspberry Pi enthusiasts use this display for educational projects, robotics visualization, and DIY electronics experiments requiring compact, high-quality graphical output
• Music and Audio Players: Portable music devices and audio interfaces benefit from the high pixel density for album art display, equalizer visualization, and playback controls with professional appearance

How to Use

Begin by connecting the Adafruit 5393 display to your microcontroller using the SPI interface. The typical pinout includes MOSI (Master Out Slave In), MISO (Master In Slave Out), SCK (Serial Clock), CS (Chip Select), DC (Data/Command), and RST (Reset) pins. Connect these GPIO pins to your microcontroller according to your chosen development platform documentation. Power the display with 3.3V from your microcontroller or dedicated power supply, ensuring a common ground connection. Install the appropriate display driver library for your platform - Adafruit provides comprehensive Arduino libraries with example sketches demonstrating initialization, pixel drawing, text rendering, and image display capabilities.

After hardware connections are verified, initialize the display in your firmware by configuring the SPI communication parameters (typically 10 MHz clock speed) and executing the ST7789 initialization sequence. The Adafruit library handles this automatically through simple function calls. Begin with basic examples like drawing colored rectangles, circles, and text to verify proper communication. Once confirmed, implement your application-specific graphics routines using the library's drawing functions for pixels, lines, shapes, and bitmap images. For optimal performance in power-constrained applications, adjust the display refresh rate and utilize partial screen updates rather than full refreshes. The 320x172 resolution accommodates various UI layouts from simple status displays to complex multi-element dashboards.

Frequently Asked Questions

What is the difference between IPS and TN panel technology in this display?

The Adafruit 5393 uses IPS (In-Plane Switching) technology, which maintains color accuracy and contrast across 178-degree viewing angles. TN (Twisted Nematic) panels exhibit color shift and reduced contrast when viewed from angles exceeding 30 degrees. For applications where multiple users view the display or where the viewing angle changes frequently, IPS technology provides superior performance. The ST7789 controller is optimized for IPS panels, delivering the full color depth and brightness advantages of this technology.

How many GPIO pins does the ST7789 interface require?

The ST7789 controller communicates via SPI protocol, requiring a minimum of four GPIO pins: MOSI, SCK, CS, and DC. The RST (Reset) pin is typically included for proper initialization, bringing the total to five essential pins. Some implementations add a MISO pin for bidirectional communication, though many applications operate in write-only mode. This minimal pin requirement makes the display ideal for microcontrollers with limited GPIO availability, such as compact Arduino boards or embedded systems with high pin utilization.

What is the maximum SPI clock speed for reliable operation?

The ST7789 controller supports SPI clock speeds up to 10 MHz for stable operation with the Adafruit 5393. While some implementations achieve 20 MHz, Adafruit recommends 10 MHz as the standard for reliable communication across all microcontroller platforms. Higher clock speeds reduce the time required to update the display, enabling faster refresh rates and smoother animations. If your application requires maximum performance, test your specific microcontroller and wiring configuration at higher speeds, but maintain 10 MHz as the baseline for production designs.

Can this display be used with Raspberry Pi and Arduino simultaneously?

Yes, the Adafruit 5393 is fully compatible with both Raspberry Pi and Arduino platforms. Adafruit provides dedicated libraries for both ecosystems, with example code demonstrating initialization and graphics rendering. The 3.3V logic level requirement is satisfied by both platforms. For Raspberry Pi, use the Python-based Adafruit library with GPIO control via the RPi.GPIO or gpiozero libraries. For Arduino, use the Arduino IDE with the Adafruit ST7789 library. The SPI interface standardization ensures consistent operation across different microcontroller architectures.

What is the power consumption of this display module?

The Adafruit 5393 typically consumes 50-100 mA during normal operation at full brightness, depending on the displayed content. Static images with large dark areas consume less power than animated content or full-screen bright displays. The display includes integrated voltage regulators and power management circuitry optimized for low-power operation. For battery-powered applications, implement brightness control and partial screen updates to extend runtime. The 3.3V operating voltage combined with efficient ST7789 controller design makes this display suitable for portable and wearable devices with extended battery life requirements.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy

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