Closed
Description
Board
ESP32 Dev Module
Device Description
Standard 38pin
Hardware Configuration
Jumper between 27 and 39 to read
Version
latest master
IDE Name
Arduino IDE
Operating System
Windows 11
Flash frequency
80Mhz
PSRAM enabled
no
Upload speed
921600
Description
When pin 27 is set output and high it works normal but when T2 is read it floats
The same sketch works fine with December release
Output from old version 22/12/2021 ESP32 Arduino 2.0.2 based on ESP-IDF 4.4-beta1 works fine
22:12:14.849 -> pin 27 is high
22:12:15.833 -> Jumper pin 27 to 39 = 4095
22:12:16.864 -> Jumper pin 27 to 39 = 4095
22:12:17.837 -> Jumper pin 27 to 39 = 4095
22:12:18.868 -> Jumper pin 27 to 39 = 4095
22:12:19.846 -> Jumper pin 27 to 39 = 4095
22:12:19.846 -> T2 = 47
22:12:20.830 -> Jumper pin 27 to 39 = 4095
22:12:21.861 -> Jumper pin 27 to 39 = 4095
22:12:22.837 -> Jumper pin 27 to 39 = 4095
22:12:23.868 -> Jumper pin 27 to 39 = 4095
22:12:24.852 -> Jumper pin 27 to 39 = 4095
22:12:24.852 -> T2 = 79
22:12:25.838 -> Jumper pin 27 to 39 = 4095
22:12:26.869 -> Jumper pin 27 to 39 = 4095
22:12:27.853 -> Jumper pin 27 to 39 = 4095
22:12:28.837 -> Jumper pin 27 to 39 = 4095
22:12:29.868 -> Jumper pin 27 to 39 = 4095
Sketch
void setup() {
Serial.begin(115200);
delay(1000);
pinMode(27, OUTPUT);
digitalWrite(27, HIGH);
Serial.println("pin 27 is high");
}
void loop() {
static unsigned long every1second = millis();
if (millis() - every1second >= 1000) { every1second = millis();
Serial.print("Jumper pin 27 to 39 = ");
Serial.println(analogRead(39));
}
static unsigned long every5seconds = millis();
if (millis() - every5seconds >= 5000) { every5seconds = millis();
Serial.print("T2 = ");
Serial.println(touchRead(T2));
}
}Debug Message
22:18:26.952 -> pin 27 is high
22:18:27.981 -> Jumper pin 27 to 39 = 4095
22:18:28.977 -> Jumper pin 27 to 39 = 4095
22:18:29.962 -> Jumper pin 27 to 39 = 4095
22:18:30.982 -> Jumper pin 27 to 39 = 4095
22:18:31.966 -> T2 = 77
22:18:32.235 -> Jumper pin 27 to 39 = 0
22:18:33.219 -> Jumper pin 27 to 39 = 0
22:18:34.256 -> Jumper pin 27 to 39 = 0
22:18:35.230 -> Jumper pin 27 to 39 = 0
22:18:36.251 -> Jumper pin 27 to 39 = 0
22:18:36.954 -> T2 = 77
22:18:37.235 -> Jumper pin 27 to 39 = 0
22:18:38.258 -> Jumper pin 27 to 39 = 0
22:18:39.242 -> Jumper pin 27 to 39 = 0
22:18:40.235 -> Jumper pin 27 to 39 = 0
22:18:41.219 -> Jumper pin 27 to 39 = 0
Other Steps to Reproduce
No response
I have checked existing issues, online documentation and the Troubleshooting Guide
- I confirm I have checked existing issues, online documentation and Troubleshooting guide.
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Labels
Relates to peripheral's APIs.Relates to peripheral's APIs.
Type
Projects
Status
Done