Esp32 Cam Robot WifiCar - Jurnalku by Fajar Himawan
Esp32cam current is very easy to drop. it is a problem that often occurs so it suddenly restarts itself many times
Download APK Remote Esp32 Camera Robot WifiCar:
Script .ino :
#include "esp_camera.h"
#include <WiFi.h>
#include <ArduinoOTA.h>
/* Wifi Crdentials */
String sta_ssid = "wificarjurnalku"; // set Wifi network you want to connect to
String sta_password = "wificarjurnalku"; // set password for Wifi network
/* define CAMERA_MODEL_AI_THINKER */
#define PWDN_GPIO_NUM 32
#define RESET_GPIO_NUM -1
#define XCLK_GPIO_NUM 0
#define SIOD_GPIO_NUM 26
#define SIOC_GPIO_NUM 27
#define Y9_GPIO_NUM 35
#define Y8_GPIO_NUM 34
#define Y7_GPIO_NUM 39
#define Y6_GPIO_NUM 36
#define Y5_GPIO_NUM 21
#define Y4_GPIO_NUM 19
#define Y3_GPIO_NUM 18
#define Y2_GPIO_NUM 5
#define VSYNC_GPIO_NUM 25
#define HREF_GPIO_NUM 23
#define PCLK_GPIO_NUM 22
/* Defining motor and servo pins */
extern int IN1 = 14;
extern int IN2 = 15;
extern int IN3 = 13;
extern int IN4 = 12;
extern int ledVal = 20; // setting bright of flash LED 0-255
extern int ledPin = 4; // set digital pin GPIO4 as LED pin (use biult-in LED)
extern int servoPin = 2; // set digital pin GPIO2 as servo pin (use SG90)
unsigned long previousMillis = 0;
void startCameraServer();
void initServo() {
ledcSetup(8, 50, 16); /*50 hz PWM, 16-bit resolution and range from 3250 to 6500 */
ledcAttachPin(servoPin, 8);
}
void initLed() {
ledcSetup(7, 5000, 8); /* 5000 hz PWM, 8-bit resolution and range from 0 to 255 */
ledcAttachPin(ledPin, 7);
}
void setup() {
Serial.begin(115200); // set up seriamonitor at 115200 bps
Serial.setDebugOutput(true);
Serial.println();
Serial.println("*ESP32 Camera Remote Control - L298N Motor Driver*");
Serial.println("-------------------------------------------------------");
// Set all the motor control pin to Output
pinMode(IN1, OUTPUT);
pinMode(IN2, OUTPUT);
pinMode(IN3, OUTPUT);
pinMode(IN4, OUTPUT);
pinMode(ledPin, OUTPUT); // set the LED pin as an Output
pinMode(servoPin, OUTPUT); // set the servo pin as an Output
// Initial state - turn off motors, LED & buzzer
digitalWrite(IN1, LOW);
digitalWrite(IN2, LOW);
digitalWrite(IN3, LOW);
digitalWrite(IN4, LOW);
digitalWrite(ledPin, LOW);
digitalWrite(servoPin, LOW);
/* Initializing Servo and LED */
initServo();
initLed();
camera_config_t config;
config.ledc_channel = LEDC_CHANNEL_0;
config.ledc_timer = LEDC_TIMER_0;
config.pin_d0 = Y2_GPIO_NUM;
config.pin_d1 = Y3_GPIO_NUM;
config.pin_d2 = Y4_GPIO_NUM;
config.pin_d3 = Y5_GPIO_NUM;
config.pin_d4 = Y6_GPIO_NUM;
config.pin_d5 = Y7_GPIO_NUM;
config.pin_d6 = Y8_GPIO_NUM;
config.pin_d7 = Y9_GPIO_NUM;
config.pin_xclk = XCLK_GPIO_NUM;
config.pin_pclk = PCLK_GPIO_NUM;
config.pin_vsync = VSYNC_GPIO_NUM;
config.pin_href = HREF_GPIO_NUM;
config.pin_sscb_sda = SIOD_GPIO_NUM;
config.pin_sscb_scl = SIOC_GPIO_NUM;
config.pin_pwdn = PWDN_GPIO_NUM;
config.pin_reset = RESET_GPIO_NUM;
config.xclk_freq_hz = 20000000;
config.pixel_format = PIXFORMAT_JPEG;
//init with high specs to pre-allocate larger buffers
if(psramFound()){
config.frame_size = FRAMESIZE_UXGA;
config.jpeg_quality = 10;
config.fb_count = 2;
} else {
config.frame_size = FRAMESIZE_SVGA;
config.jpeg_quality = 12;
config.fb_count = 1;
}
// camera init
esp_err_t err = esp_camera_init(&config);
if (err != ESP_OK) {
Serial.printf("Camera init failed with error 0x%x", err);
return;
}
//drop down frame size for higher initial frame rate
sensor_t * s = esp_camera_sensor_get();
s->set_framesize(s, FRAMESIZE_CIF);
// Set NodeMCU Wifi hostname based on chip mac address
char chip_id[15];
snprintf(chip_id, 15, "%04X", (uint16_t)(ESP.getEfuseMac()>>32));
String hostname = "esp32cam-" + String(chip_id);
Serial.println();
Serial.println("Hostname: "+hostname);
// first, set NodeMCU as STA mode to connect with a Wifi network
WiFi.mode(WIFI_STA);
WiFi.begin(sta_ssid.c_str(), sta_password.c_str());
Serial.println("");
Serial.print("Connecting to: ");
Serial.println(sta_ssid);
Serial.print("Password: ");
Serial.println(sta_password);
// try to connect with Wifi network about 1 seconds
unsigned long currentMillis = millis();
previousMillis = currentMillis;
while (WiFi.status() != WL_CONNECTED && currentMillis - previousMillis <= 1000) {
delay(500);
Serial.print(".");
currentMillis = millis();
}
// if failed to connect with Wifi network set NodeMCU as AP mode
IPAddress myIP;
if (WiFi.status() == WL_CONNECTED) {
Serial.println("");
Serial.println("*WiFi-STA-Mode*");
Serial.print("IP: ");
myIP=WiFi.localIP();
Serial.println(myIP);
delay(2000);
} else {
WiFi.mode(WIFI_AP);
WiFi.softAP(hostname.c_str());
myIP = WiFi.softAPIP();
Serial.println("");
Serial.println("WiFi failed connected to " + sta_ssid);
Serial.println("");
Serial.println("*WiFi-AP-Mode*");
Serial.print("AP IP address: ");
Serial.println(myIP);
delay(2000);
}
// Start camera server to get realtime view
startCameraServer();
Serial.print("Camera Ready! Use 'http://");
Serial.print(myIP);
Serial.println("' to connect ");
ArduinoOTA.begin(); // enable to receive update/upload firmware via Wifi OTA
}
void loop() {
// put your main code here, to run repeatedly:
ArduinoOTA.handle();
}
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