Espressif ESP32-S2 Programming Manual page 52

Chapter 1. Get Started
Key Component
Main Board Touch FPC Con-
nector
Touchpad
Guard Ring
Start Application Development
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
Hardware Reference
Block Diagram A block diagram below shows the components of ESP-LyraP-TouchA and their interconnections.
Hardware Revision Details
Espressif Systems
Description of Components
Description
Connect to main board's Touch FPC Connector.
Capacitive touch electrode.
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.
Before powering up your ESP-LyraP-TouchA, please make sure that it is in good
Software Setup of the ESP32-S2-Kaluga-1 kit user guide.
Fig. 32: ESP-LyraP-TouchA-v1.1 block diagram
No previous versions available.
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