Chapter 1. Get Started
Description of Components
Key Component Description
Main Board Touch FPC Con-
nector
Connect to main board’s Touch FPC Connector.
Touchpad Capacitive touch electrode.
Guard Ring Connected to a touch sensor, the guard ring triggers an interrupt if wet (Water
rejection). It indicates that the sensor array is also wet and most (if not all)
touchpads are unusable due to the false detection of touches. After receiv-
ing this interrupt, the user might consider disabling all the touch sensors via
software.
Start Application Development Before powering up your ESP-LyraP-TouchA, please make sure that it is in good
condition with no obvious signs of damage.
Required Hardware
• Board with a Touch FPC connector (e.g., ESP32-S2-Kaluga-1)
• ESP-LyraP-TouchA extension board
• FPC cable
• Computer running Windows, Linux, or macOS
Hardware Setup Connect the two FPC connectors with the FPC cable.
Software Setup See Section Software Setup of the ESP32-S2-Kaluga-1 kit user guide.
Hardware Reference
Block Diagram A block diagram below shows the components of ESP-LyraP-TouchA and their interconnections.
Fig. 32: ESP-LyraP-TouchA-v1.1 block diagram
Hardware Revision Details No previous versions available.
Espressif Systems 41
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