Larson Scanner

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Ultra Sonic Sensor

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temperature LCD and DHT11

 Code for  temperature LCD and DHT11 /*  * temperature LCD and DHT11.c  *  * Created: 7/16/2020 7:41:41 PM  * Author : Daniel F Diaz Bayona  */  #include <avr/io.h> #include <stdlib.h> #include <stdio.h> #include "LCD16x2_4bit.h" #define DHT11_PIN 8 uint8_t c=0,I_RH,D_RH,I_Temp,D_Temp,CheckSum; //here we will set the pin to low and high //first the pin will be low then after 200ms delay it will show or be high void Request() { DDRD |= (1<<DHT11_PIN); PORTD &= ~(1<<DHT11_PIN); _delay_ms(200); PORTD |= (1<<DHT11_PIN); } //the following function will show th response of the sensor DHT11 void Response() { DDRD &= ~(1<<DHT11_PIN); while(PIND & (1<<DHT11_PIN)); while((PIND & (1<<DHT11_PIN))==0); while(PIND & (1<<DHT11_PIN)); } //this function will receive the data, check for received bit 0 or 1 //if the pulse is greater than 30ms //then it will set the logic or the PIN
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SIP CAR Code Ultra Sonic

 ULTRASONIC SENSOR #include <Servo.h> #define speedPinR 9   //  RIGHT WHEEL PWM pin D45 connect front MODEL-X ENA  #define RightMotorDirPin1  22    //Front Right Motor direction pin 1 to Front MODEL-X IN1  (K1) #define RightMotorDirPin2  24   //Front Right Motor direction pin 2 to Front MODEL-X IN2   (K1)                                  #define LeftMotorDirPin1  26    //Left front Motor direction pin 1 to Front MODEL-X IN3 (  K3) #define LeftMotorDirPin2  28   //Left front Motor direction pin 2 to Front MODEL-X IN4 (  K3) #define speedPinL 10   // Left WHEEL PWM pin D7 connect front MODEL-X ENB #define speedPinRB 11   //  RIGHT WHEEL PWM pin connect Back MODEL-X ENA  #define RightMotorDirPin1B  5    //Rear Right Motor direction pin 1 to Back MODEL-X IN1 (  K1) #define RightMotorDirPin2B 6    //Rear Right Motor direction pin 2 to Back MODEL-X IN2 (  K1)  #define LeftMotorDirPin1B 7    //Rear left Motor direction pin 1 to Back MODEL-X IN3  K3 #define LeftMotorDirPin2B 8  //Rear le
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