Arduino

#include <Wire.h>
#include <Adafruit_SSD1306.h>
#include <Stepper.h>

// OLED display
#define OLED_ADDRESS 0x3C // OLED I2C address
Adafruit_SSD1306 display(OLED_ADDRESS);

// buttons
const int pan360s = A0;
const int pan360f = A1;
const int pan180s = A2;
const int KILL = 2;

// stepper motor
const int MOTOR_EN_PIN = 6;
const int MOTOR_STEP_PIN = 5;
const int MOTOR_DIRECTION_PIN = 3;
const int stepsPerRevolution = 400;
Stepper stepper(stepsPerRevolution, MOTOR_STEP_PIN, MOTOR_DIRECTION_PIN);

// record signals
const int RECORDSTART = A4;
const int RECORDSTOP = A3;

// variables
bool buttonS360pressed = false;
bool buttonF360pressed = false;
bool buttonS180pressed = false;

void setup() {
  // initialize OLED display
  display.begin(SSD1306_SWITCHCAPVCC, OLED_ADDRESS);
  display.clearDisplay();
  display.display();

  // initialize buttons
  pinMode(pan360s, INPUT_PULLUP);
  pinMode(pan360f, INPUT_PULLUP);
  pinMode(pan180s, INPUT_PULLUP);
  pinMode(KILL, INPUT_PULLUP);

  // initialize stepper
  stepper.setSpeed(60);
  pinMode(MOTOR_EN_PIN, OUTPUT);

  // initialize record signals
  pinMode(RECORDSTART, OUTPUT);
  pinMode(RECORDSTOP, OUTPUT);
}

void loop() {
  // check button states
  if (digitalRead(pan360s) == LOW) {
    // code to start 360 degree scan at 2 deg/sec
  }
  if (digitalRead(pan360f) == LOW) {
    // code to start 360 degree scan at 1 deg/sec
  }
  if (digitalRead(pan180s) == LOW) {
    // code to start 180 degree scan at 1 deg/sec
  }
  if (digitalRead(KILL) == LOW) {
    // code to stop and reset scan
  }

  // update OLED display
  // code to display scan status, settings, etc. on OLED display
}