ESP-LyraP-LCD32 v1.2
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 ESP32-S2-Kaluga-1 Kit v1.3.
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.
Overview
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.
Description of Components

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 |
Start Application Development
Before powering up your ESP-LyraP-LCD32, please make sure that it is in good condition with no obvious signs of damage.
Required Hardware
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
Hardware Setup
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
Software Setup
See Section Software Setup of the ESP32-S2-Kaluga-1 kit user guide.