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Questions tagged [esp32-cam]

18 questions
2
votes
1 answer

Impossible to install the esp_camera library

I cannot install the esp_camera library. When I try to add the .zip, I get "does not contain a valid library. Everything about this ESP-32 Cam seems to rely on that library, and I can't find a way to install from…
brunobhr
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Uploading code to ESP32 using Arduino OTA

im trying to upload my code to my esp32 through OTA iam able to discover the network port but my code is always failing to upload i donno the reason behind it #include #include const char* ssid = "Redmi"; const char*…
Abhay Kondru
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2 answers

Does ESP32 can support WIFIDirect

I would like to establish a simple P2P connection between an ESP32 and an Android device without the use of an access point. I should be able to send and receive data from the ESP32 through the established connection. Is this possible, and if not,…
Abhay Kondru
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2
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1 answer

ESP32-CAM OV2640 AS A SUN SENSOR

I want to use the ESP32-CAM as a sun sensor, the problem is that I would need to remove the lenses in order to put a membrane with a pinhole (like it's illustrated in the image) upon the CMOS, but I want to know first, will this make unoperable the…
Jogarama
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1 answer

Connect ESP32-CAM to L293D

Disclaimer: I'm a programmer, not an electronics expert. I built this car using an Arduino Uno, and now I want to add a camera to it. I’ve tried researching online, but I couldn’t find much information about connecting the ESP32-CAM to an L293D…
Carina
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ESP32 can't handle trigger signal to take photo

The problem is, the following code doesn't work. If I am not using the if to check if there is a signal at GPIO 16, then the code is working. I'm using a ESP32-CAM module. It doesn't save a picture to the SD card. If I leave the if (digitalRead(16))…
vukstudent
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1 answer

ESP32-CAM infinite boot loop

I am currently using an ESP32-CAM with an OV5460 camera, and I am interfacing it with my computer using an Arduino Nano. I am trying to run a camera web server using the Arduino example code. I have looked at a couple of YouTube tutorials and so…
Kyle Hurst
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Is it possible to use flash encryption in esp32 in Arduino ide

Just already finished writing the program in arduino ide, but were just thinking if i could use flash encryption in esp32 using arduino ide for commercial use? Cause i am still new to this esp-idf stuffs and wondering if i could set some security…
kwak
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1 answer

unable to program esp32cam via cloned esp32-cam-mb

I bought a couple of ESP32CAMs from aliexpress... althought the listing shows them with two buttons, I got the ESP32-CAM-MB boards with just the reset button... I have my computer set up to dual boot Windows and Linux so when I got an error in…
JoSSte
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How can I access ESP32-CAM from outside local network other than port forwarding?

I have a ESP32-CAM AIThinker which I have programmed using Arduino IDE to stream video. I have another board ESP8266-12e that I am using on a MQTT system that turns on and off the ESP32 as well as sending it the Name and password of my local…
user1114881
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Problems to start OV5640 Camera in a ESP32-CAM board

this is the first time I write on this forum so let's go to the question but first a little bit of context: I'm working in a esp32-cam board, I want to use a OV5640 camera to stream video but the issue I'm facing right now is this message: Iniciando…
César Chávez
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1 answer

esp32 cam is showing cam_hal : dma overflow

.xclk_freq_hz = 20000000, .ledc_timer = LEDC_TIMER_0, .ledc_channel = LEDC_CHANNEL_0, .pixel_format = PIXFORMAT_JPEG, //YUV422,GRAYSCALE,RGB565,JPEG .frame_size = FRAMESIZE_QVGA, //QQVGA-UXGA Do not use sizes above QVGA when not JPEG …
V M BHUVANESH
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1 answer

How to receive data from an Rasberry Pi on ESP32-Cam?

My use case is an ESP32-cam that serves two purposes: HTTP feed (accessed by a Raspberry Pi 5 which processes stream and provides a response) Servo Motor microcontroller: Receives response from Raspberry Pi 5 and signals servo. I am using arduino…
jmarywien
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1 answer

ESP32CAM fails to initialise camera with error 0xffffff

There is a simple PlatformIO sketch (arduino format) that has the following main.cpp file: #include #include "esp_camera.h" #include "camera_pins.h" #define CAMERA_MODEL_AI_THINKER #define LED_BUILTIN 33 // Define LED_BUILTIN for…
Broteen Das
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How can I save an image from the ESP32-CAM to a separate SD card?

For a project, I need to take a picture with the ESP32-CAM, save it to an SD card, and then have the Arduino UNO access the image. I have the ESP32-CAM with OV2640 connected to the ESP32-CAM-MB, which is connected via USB to my laptop. Currently,…
elvishpotato
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