Chapter 1. Get Started
Also, all extension boards and the JTAG interface share the same pins IO39, IO40, IO41 and IO42. For this reason,
the following may disturb the JTAG operation:
• Plugging in any extension board
• Debugging an application that is using an extension board
Known issues
Hardware Issue Description Reason for Failure Solution
ESP-LyraP-CAM
v1.0, pin IO45, IO46
Flashing firmware might
be impossible with
the extension board
connected to the main
board.
Incorrect timing sequence is fed
to strapping pins IO45 and IO46
when the board is powered on. It
stops the board from booting suc-
cessfully.
While flashing the
main board, keep
the extension board
disconnected.
ESP-LyraP-CAM
v1.0, pin IO45, IO46
Rebooting the board by
pressing Reset might not
lead to desired results.
Incorrect timing sequence is fed
to strapping pins IO45 and IO46
when the board is powered on. It
stops the board from booting suc-
cessfully.
No ready solution for
v1.2. This bug is fixed
in ESP32-S2-Kaluga-
1 V1.3.
ESP-LyraT-8311A
v1.2, pin IO46
Flashing firmware might
be impossible with
the extension board
connected to the main
board.
Incorrect timing sequence is fed
to strapping pin IO46 when the
board is powered on. It stops the
board from booting successfully.
While flashing the
main board, keep
the extension board
disconnected.
ESP-LyraT-8311A
v1.2, pin IO46
Rebooting the board by
pressing Reset might not
lead to desired results.
Incorrect timing sequence is fed
to strapping pin IO46 when the
board is powered on. It stops the
board from booting successfully.
No ready solution for
v1.2. This bug is fixed
in ESP32-S2-Kaluga-
1 V1.3.
Hardware Revision Details No previous versions available.
Related Documents
ESP-LyraP-CAM v1.0 This user guide provides information on the ESP-LyraP-CAM 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-CAM v1.0 is sold as part of the ESP32-S2-Kaluga-1 Kit v1.2.
The ESP-LyraP-CAM extends the functionality of your main board by adding a camera.
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-CAM’s hardware.
• Hardware Revision Details: Covers revision history, known issues, and links to user guides for previous versions
of the ESP-LyraP-CAM.
• Related Documents: Gives links to related documentation.
Overview This extension board adds a camera to your main board.
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