Touch Sensor
Can the ESP32/ESP32-S2/ESP32-S3 Touch pass the EMS conduction interference test?
The EMS conduction interference test is a whole machine test, which is jointly affected by internal and external power supplies, circuits, and external environments. Since the ESP32/ESP32-S2/ESP32-S3 Touch has poor anti-interference ability, if users have this test requirement, it is recommended to externally connect a dedicated Touch IC.
When using ESP32 to develop Touch Sensor applications, where can I find references?
Please refer to Software and Hardware Designs.
When there is water on ESP32-S2 Touch Sensor, does it block or recognize the Touch event with its waterproof function?
When there is a small amount of water droplets, the waterproof function of the ESP32-S2 Touch Sensor can work normally. In the event of a large area of standing water (i.e. the Touch contact area is completely covered), the Touch will temporarily lock and will not resume operation until the water is cleared.
While the waterproof feature of ESP32-S2 Touch Sensor shielding the Touchpad with water flow, does other pads with no water still usable?
Yes, the specific shielding channel can be selected via software.
Are there any recommendations for materials that can be used to test Touch Sensor, can trigger Touch Sensor stably and is close to the parameters of human touches?
For experiments with high consistency requirements, it is doable to replace human hands with cell phone pencils.
Can the pins of Touch Sensor be remapped?
No, because Touch Sensor is realized via software programming.
Do I need to reset a check threshold for Touch Sensor after covering it with a acrylic plate?
Yes.
Is it possible for Touch Sensor to detect whether there is a acrylic plate on the top, so that it can switch to the pre-defined threshold value automatically when there is a acrylic plate added or removed?
For now, it cannot adapt to the impacts brought by physical changes.
What reference drivers does the ESP32 touch screen have?
Code: please refer to touch_panel_code.
Documentation: please refer to touch_panel_doc.