#include <TinyWireM.h>
#include <Tiny4kOLED.h>

const byte servo0  =    1;   // Servo 1 pin PB0 

int pt_Val = 0;
int pw = 1000;
void setup() {                
  pinMode(servo0, OUTPUT);  

  oled.begin();
  // Clear the memory before turning on the display
  oled.clear();
  // Turn on the display
  oled.on();
}

void loop() {
  pt_Val = analogRead(A0); // Potentiometer pin PB2
  pw = map(pt_Val, 0, 1023, 1000,2000); 
  digitalWrite(servo0, HIGH); // Set pin high to start pulse

  delayMicroseconds(pw);     // High pulse angle data   
  digitalWrite(servo0,LOW);  // Set low for the rest of pulse

  delayMicroseconds(20000-pw);
  oled.clear();

  // The characters in the 8x16 font are 8 pixels wide and 16 pixels tall
  // 2 lines of 16 characters exactly fills 128x32
  oled.setFontX2Smooth(FONT6X8P);
 
  

  // Position the cusror
  // usage: oled.setCursor(X IN PIXELS, Y IN ROWS OF 8 PIXELS STARTING WITH 0);
  oled.setCursor(50, 4);
  int disp = map(pw, 1000, 2000, 0, 100);
  // Write the text to oled RAM (which is not currently being displayed)
  // Wrap strings in F() to save RAM!
  oled.print(disp);

}