Hello! I am working on a ESP32 CAM with Python for object detection. Whenever I try to attain the IP address of the camera after uploading my program to the device, the serial monitor instead returns odd characters as such: " �D��Ԩ9���9��z�}�bN����B��뱵!"
How can I fix this?
This is the program:
#include <WebServer.h>
#include <WiFi.h>
#include <esp32cam.h>
const char* WIFI_SSID = "MyOwnWifi";
const char* WIFI_PASS = "MyOwnWifi";
WebServer server(80);
static auto loRes = esp32cam::Resolution::find(320, 240);
static auto midRes = esp32cam::Resolution::find(350, 530);
static auto hiRes = esp32cam::Resolution::find(800, 600);
void serveJpg()
{
auto frame = esp32cam::capture();
if (frame == nullptr) {
Serial.println("CAPTURE FAIL");
server.send(503, "", "");
return;
}
Serial.printf("CAPTURE OK %dx%d %db\n", frame->getWidth(), frame->getHeight(),
static_cast<int>(frame->size()));
server.setContentLength(frame->size());
server.send(200, "image/jpeg");
WiFiClient client = server.client();
frame->writeTo(client);
}
void handleJpgLo()
{
if (!esp32cam::Camera.changeResolution(loRes)) {
Serial.println("SET-LO-RES FAIL");
}
serveJpg();
}
void handleJpgHi()
{
if (!esp32cam::Camera.changeResolution(hiRes)) {
Serial.println("SET-HI-RES FAIL");
}
serveJpg();
}
void handleJpgMid()
{
if (!esp32cam::Camera.changeResolution(midRes)) {
Serial.println("SET-MID-RES FAIL");
}
serveJpg();
}
void setup(){
Serial.begin(115200);
Serial.println();
{
using namespace esp32cam;
Config cfg;
cfg.setPins(pins::AiThinker);
cfg.setResolution(hiRes);
cfg.setBufferCount(2);
cfg.setJpeg(80);
bool ok = Camera.begin(cfg);
Serial.println(ok ? "CAMERA OK" : "CAMERA FAIL");
}
WiFi.persistent(false);
WiFi.mode(WIFI_STA);
WiFi.begin(WIFI_SSID, WIFI_PASS);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
}
Serial.print("http://");
Serial.println(WiFi.localIP());
Serial.println(" /cam-lo.jpg");
Serial.println(" /cam-hi.jpg");
Serial.println(" /cam-mid.jpg");
server.on("/cam-lo.jpg", handleJpgLo);
server.on("/cam-hi.jpg", handleJpgHi);
server.on("/cam-mid.jpg", handleJpgMid);
server.begin();
}
void loop()
{
server.handleClient();
}