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3 Commits

Author SHA1 Message Date
Ayke van Laethem 30f540c29f touch: add capacitive touch sensing on normal GPIO pins 
Tested on the following chips/boards:

  * RP2040 (Raspberry Pi Pico)
  * ATSAMD21 (Adafruit PyBadge)
  * NRF52840 (PCA10056 developer board)
  * ESP8266 (NodeMCU)
  * ATmega328p (Arduino Uno)
  * ESP32C3 (WaveShare ESP-C3-32S-Kit)
  * FE310 (SiFive HiFive1 rev B)

The sensitivity threshold in the example may need to be adjusted per
board though, the default value of 100 typically recognizes when a cable
is being touched but the RP2040 for example is capable of doing much
more precise measurements if the power supply is sufficiently
noise-free.
 2024-10-25 06:28:03 +01:00
deadprogram 41d6a4c3fa adc: update drivers with ADC to use new config struct 
Signed-off-by: deadprogram <ron@hybridgroup.com>
 2021-03-26 18:03:15 +01:00
BCG d43263f764 Adding driver for four-wire resistive touchscreen (#118) 
* resistive: Adding driver for four-wire resistive touchscreen, as used on the Adafruit PyPortal.
 2020-01-28 18:55:31 +01:00