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This user guide provides information on the ESP-LyraP-LCD32 extension board.
This extension board cannot be bought separately and is usually sold together with other Espressif development boards (e.g., ESP32-S2-Kaluga-1), which will be referred to as main boards below.
Currently, ESP-LyraP-LCD32 v1.2 is sold as part of the user-guide-esp32-s2-kaluga-1-kit
.
The ESP-LyraP-LCD32 extends the functionality of your main board by adding an LCD graphic display.
ESP-LyraP-LCD32 (click to enlarge)The document consists of the following major sections:
- Overview: Provides an overview and hardware/software setup instructions to get started.
- Hardware reference: Provides more detailed information about the ESP-LyraP-LCD32's hardware.
- Hardware Revision Details: Covers revision history, known issues, and links to user guides for previous versions of the ESP-LyraP-LCD32.
- Related Documents: Gives links to related documentation.
This extension board adds a 3.2" LCD graphic display with the resolution of 320x240. This display is connected to ESP32-S2 over the SPI bus.
ESP-LyraP-LCD32 - front (click to enlarge) ESP-LyraP-LCD32 - back (click to enlarge)In the description of components below, Reserved means that the functionality is available, but the current version of the kit does not use it.
Key Component | Description |
---|---|
Extension Header | Male Extension Header for mounting onto a female Extension Header |
LCD Display | This version has a 3.2" 320x240 SPI LCD display module; the display driver/controller is either Sitronix ST7789V or Ilitek ILI9341 |
Touch Screen Switch | No support for touch screens, keep the switches to OFF to make the pins available for other uses |
Main Board 3.2" LCD FPC Connector | (Reserved) Connect to main board's 3.2" LCD FPC connector |
Control Switch | Switch to ON to set Reset/Backlight_control/CS to default high or low; switch to OFF to make the pins available for other uses |
Before powering up your ESP-LyraP-LCD32, please make sure that it is in good condition with no obvious signs of damage.
- Board with a female Extension Header (e.g., ESP32-S2-Kaluga-1, ESP-LyraT-8311A)
- ESP-LyraP-LCD32 extension board
- Four mounting bolts (for stable mounting)
- Computer running Windows, Linux, or macOS
To mount your ESP-LyraP-LCD32 onto the board with a female Extension Header:
- Install the four mounting bolts onto the board with a female Extension Header
- Align the ESP-LyraP-LCD32 with the bolts and Extension Header and insert it carefully
See Section user-guide-esp32-s2-kaluga-1-kit-software-setup
of the ESP32-S2-Kaluga-1 kit user guide.
A block diagram below shows the components of the ESP-LyraP-LCD32 and their interconnections.
ESP-LyraP-LCD32 block diagram- LCD backlight default ON, cannot be controlled by MCU
- Touch Driver and related switch removed for major limitations caused by multiplexed pins
Initial release <user-guide-esp-lyrap-lcd32-v1.1>
- ESP-LyraP-LCD32 Schematic (PDF)
- ESP-LyraP-LCD32 PCB Layout (PDF)
For other design documentation for the board, please contact us at sales@espressif.com.