#include <Arduino.h>

void setup() {
  Serial.begin(9600);
  
  // Example character strings
  char intString[] = "127";
  char negIntString[] = "-127";
  char floatString[] = "3.14";
  
  // Convert character strings to numbers
  int intValue = atoi(intString);
  int negIntValue = atoi(negIntString);
  float floatValue = atof(floatString);
  
  // Print the converted values
  Serial.print("Integer Value: ");
  Serial.println(intValue);
  
  Serial.print("Negative Integer Value: ");
  Serial.println(negIntValue);
  
  Serial.print("Float Value: ");
  Serial.println(floatValue);
}

void loop() {
  // Nothing here for a simple example
}