Basically, this program enables the Arduino UNO R4 to connect to an existing ... HIGH); digitalWrite(Red_led, LOW); digitalWrite(Buzzer, LOW); } Here, the setup function is responsible for ...

All the modules are powered with 5V from the Arduino. Below is the assembled ... ensuring a smooth transition into the main loop function. pinMode(ignitionRelay, OUTPUT); pinMode(buzzerPin, OUTPUT); ...

It’s a more integrated version of the ESP32-P4-Function-EV-Board that can be used for HMI applications ... but I’m more surprised about Arduino, since ESP32-P4 support in Arduino ESP32 is still a work ...

A foundational C library reimplementing standard functions to master memory management, string operations, and low-level programming — built as part of the 42 school curriculum.