Problem & Solution
Embedded electronics projects frequently require visual feedback without consuming excessive GPIO pins or demanding complex GPU drivers. Standard multi-character LCDs lack full graphical capabilities, while larger HDMI screens consume significant power and physical space.
This SPI-driven IPS TFT display screen addresses these limitations by offering a compact graphical interface driven over a serial protocol. By pairing an IPS screen panel with the ST7789 display controller, it provides clear visuals in a small footprint while preserving host GPIO pins for sensors and actuators.
It enables developers to build compact user interfaces, telemetry dashboards, status monitors, and custom readouts on microcontrollers like the ESP32 and single-board computers like the Raspberry Pi.
Who Is It For?
Designed for electronics hobbyists, hardware prototyping developers, IoT engineers, and DIY makers working with microcontroller platforms. Ideal for individuals seeking a compact color display module for custom hardware enclosures, weather stations, or portable diagnostic tools.
Key Features
- IPS Panel TechnologyDelivers wider viewing angles and crisp visual rendering compared to standard TN screens.
- ST7789 Controller ICSupported by widely used open-source graphics libraries across Arduino, ESP-IDF, and Python environments.
- SPI Serial InterfaceMinimizes pin usage on host microcontrollers while maintaining adequate data transmission rates for user interfaces.
- Multiple Screen Size VariantsOffers 1.54-inch, 1.69-inch, and 1.9-inch options to accommodate different enclosure footprint requirements.
- Broad Controller CompatibilityWorks with Raspberry Pi, ESP32, STM32, and standard microcontroller development boards.
Technical Specifications
| Display Type | IPS TFT Screen |
| Driver Controller IC | ST7789 |
| Communication Interface | SPI (Serial Peripheral Interface) |
| Available Screen Sizes | 1.54 inch / 1.69 inch / 1.9 inch |
| Platform Compatibility | Raspberry Pi, ESP32, STM32, Arduino boards |
| Touch Layer | Not included (Display panel only) |
| Operating Voltage | Not specified in available data |
| Resolution | Not specified in available data |
Pros & Cons
Pros
- IPS technology ensures solid visual clarity and wide off-axis viewing angles.
- ST7789 controller features extensive open-source community support and pre-written libraries.
- 4-wire SPI connection drastically reduces the required pin count on the host board.
- Available in multiple compact sizes suitable for hand-held hardware builds.
Cons
- SPI bandwidth limits maximum frame refresh rates compared to parallel display interfaces.
- Does not include an integrated touch panel layer for direct touch interaction.
- Pinout labels and operating logic voltage must be verified prior to wiring to prevent board damage.
FAQ
Yes, the ST7789 controller is directly supported by popular open-source display libraries such as TFT_eSPI and Adafruit_ST7789 within the ESP32 ecosystem.
Based on the available specifications, this display module is a display-only panel and does not include touch hardware.
The module uses the Serial Peripheral Interface (SPI) protocol, which allows control using a small number of GPIO pins.
Exact logic voltage tolerance is not fully specified in the product data. Many ST7789 breakout boards operate on 3.3V logic; logic level shifters may be required if connecting to 5V microcontrollers.
Final Verdict
A practical display option for embedded hardware creators and DIY makers working with ESP32 or Raspberry Pi platforms. It is recommended for users needing a high-clarity IPS visual output driven by a standard ST7789 IC over SPI. Skip if your build demands touch screen control or high-fps hardware-accelerated video rendering.