ESP32, Relay Module, and 5V DC Pump configuration

Hello guys, sorry to the ugly diagram.

I am playing around the 5v DC water pump and a relay module. I plugged the components like in the diagram and uploaded the code to test the components. After uploading the code to the esp32, it shows errors once in a while which sometimes messes the esp32. I don't have a power module at the time so i have to use the 5v of the Arduino Uno. Also the 5Vin of the esp32 that I have doesn't output any voltage hence i just used the 3.3v of the esp32. I tried to use the components on their own and it works fine, but once i put them all together, like in the diagram, it shows weird behavior.

code of the esp32:

#define RELAY_PIN 10

void setup() {
  Serial.begin(115200);
  pinMode(RELAY_PIN, OUTPUT);
}

void loop() {
  digitalWrite(RELAY_PIN, HIGH);
  Serial.println("ON");
  delay(5000);
  digitalWrite(RELAY_PIN, LOW);
  Serial.println("OFF");
  delay(5000);
}

#define RELAY_PIN 10

void setup() {
  Serial.begin(115200);
  pinMode(RELAY_PIN, OUTPUT);
}

void loop() {
  digitalWrite(RELAY_PIN, HIGH);
  Serial.println("ON");
  delay(5000);
  digitalWrite(RELAY_PIN, LOW);
  Serial.println("OFF");
  delay(5000);
}

errors that showed in the serial monitor:

Guru Meditation Error: Core  1 panic'ed (Interrupt wdt timeout on CPU1). 
ESP-ROM:esp32s3-20210327
Build:Mar 27 2021
rst:0x7 (TG0WDT_SYS_RST),boot:0x29 (SPI_FAST_FLASH_BOOT)
Saved PC:0x4037bef8
SPIWP:0xee
mode:DIO, clock div:1
load:0x3fce2820,len:0x116c
load:0x403c8700,len:0xc2c
load:0x403cb700,len:0x3108
entry 0x403c88b8

Guru Meditation Error: Core  1 panic'ed (Interrupt wdt timeout on CPU1). 
ESP-ROM:esp32s3-20210327
Build:Mar 27 2021
rst:0x7 (TG0WDT_SYS_RST),boot:0x29 (SPI_FAST_FLASH_BOOT)
Saved PC:0x4037bef8
SPIWP:0xee
mode:DIO, clock div:1
load:0x3fce2820,len:0x116c
load:0x403c8700,len:0xc2c
load:0x403cb700,len:0x3108
entry 0x403c88b8

Arduino•5mo ago•

18 replies

Scooby-Doo

ESP32, Relay Module, and 5V DC Pump configuration

#define RELAY_PIN 10

void setup() {
  Serial.begin(115200);
  pinMode(RELAY_PIN, OUTPUT);
}

void loop() {
  digitalWrite(RELAY_PIN, HIGH);
  Serial.println("ON");
  delay(5000);
  digitalWrite(RELAY_PIN, LOW);
  Serial.println("OFF");
  delay(5000);
}

#define RELAY_PIN 10

void setup() {
  Serial.begin(115200);
  pinMode(RELAY_PIN, OUTPUT);
}

void loop() {
  digitalWrite(RELAY_PIN, HIGH);
  Serial.println("ON");
  delay(5000);
  digitalWrite(RELAY_PIN, LOW);
  Serial.println("OFF");
  delay(5000);
}

errors that showed in the serial monitor:

Guru Meditation Error: Core  1 panic'ed (Interrupt wdt timeout on CPU1). 
ESP-ROM:esp32s3-20210327
Build:Mar 27 2021
rst:0x7 (TG0WDT_SYS_RST),boot:0x29 (SPI_FAST_FLASH_BOOT)
Saved PC:0x4037bef8
SPIWP:0xee
mode:DIO, clock div:1
load:0x3fce2820,len:0x116c
load:0x403c8700,len:0xc2c
load:0x403cb700,len:0x3108
entry 0x403c88b8

Guru Meditation Error: Core  1 panic'ed (Interrupt wdt timeout on CPU1). 
ESP-ROM:esp32s3-20210327
Build:Mar 27 2021
rst:0x7 (TG0WDT_SYS_RST),boot:0x29 (SPI_FAST_FLASH_BOOT)
Saved PC:0x4037bef8
SPIWP:0xee
mode:DIO, clock div:1
load:0x3fce2820,len:0x116c
load:0x403c8700,len:0xc2c
load:0x403cb700,len:0x3108
entry 0x403c88b8

ESP32, Relay Module, and 5V DC Pump configuration

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