Questions tagged [camera]
A device for recording visual images in the form of photographs, film, or video signals.
40 questions
-1 votes
1 answer
208 views
How many FPS I can theoretically get for streaming frame from OV7670 with this setup?
Setup: OV7670 -> STM32F103... --USART--> ESP01 --UDP--> Gateway --> Internet --> Server I want to achieve a real-time streaming experience. Here is my analysis: According to the ...
1 vote
0 answers
69 views
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 ...
- 11
1 vote
1 answer
355 views
Different pin names in 0V7670 Camera Module
I am trying to follow this tutorial, SIMPLIFIED! How to Use OV7670 Camera with Arduino (other tutorials are also the same) and I noticed that my Camera module has different pin names, what do I do? ...
- 13
0 votes
2 answers
238 views
Can I make this changes to this diagram of a ESP32-CAM?
I am kind of new with electronics circuits, and therefore I have some doubts about this diagram of a ESP32-CAM. I want to use 5V supply instead of 3.3V. Do I need to add some resistors or capacitors ...
2 votes
1 answer
4k views
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 ...
- 21
1 vote
0 answers
137 views
Connect ESP32 cam to the Nodemcu motor shield
Is it possible to connect ESP32 cam to the Nodemcu motor shield? I already have a ESP8266 chip connected to the Nodemcu motor shield. In get this error after connecting this ESP32 cam to the Nodemcu ...
- 21
1 vote
0 answers
2k views
ESP32 CAM : How to send good quality images via MQTT
Has anyone here ever used a ESP32 CAM to send an image via MQTT? I'd like to know what are the parameters to initialize the camera with (resolution, jpeg quality, etc.), because once I receive the ...
- 121
3 votes
1 answer
843 views
ov2640 with 18 pin and no arducam shield
I bought this ov2640 camera module with 18 pins and I don't have shield to insert it to. I am looking for a library or working code on this my camera sensor but all I kept getting was arducam examples ...
- 31
0 votes
1 answer
316 views
Mini Arducam module camera shield - 2MP ov2640 interface with Arduino Uno
MINI ARDUCAM MODULE CAMERA SHIELD - 2MP OV2640 Arducam Multi-camera adapter board for Arduino SPI Mini Camera I have the above two components with me along with ARDUINO UNO R3. I want to stream video ...
1 vote
1 answer
551 views
Nikon IR remote trigger (ML-L3) emulator not working
I have tried to follow along/reproduce the results from several sources for emulating the Nikon infrared remote trigger: Adafruit Guide DIY Nikon ML-L3 IR Wireless Remote Hack with Arduino UNO ...
- 121
2 votes
3 answers
4k views
Can't enable face detection on esp32 cam : CORRUPT HEAP: Bad head at 0x3ffe2eb4. Expected 0xabba1234 got 0x00000008 abort()
I was trying to make esp32 face recognition using the esp32 camera web server example in arduino , and everything works fine untill i press on face detection the frame is frozen , module restarted and ...
- 21
1 vote
0 answers
2k views
ESP32 cam offline
Can the ESP32 cam be used with no internet connection. I have my newly acquired ESP32-CAM up and running as per this really great tutorial: https://randomnerdtutorials.com/esp32-cam-video-streaming-...
- 167
2 votes
0 answers
2k views
Sending a JPEG from one Arduino to another
I've got an Arducam OV2640 which takes a picture as a JPEG that I'd like to send to another Arduino using a pair of nRF24L01 wireless transceivers to eventually display it on an SSD1351 OLED. ...
- 21
0 votes
1 answer
2k views
esp32-cam stuck in repeat boot
I am trying to bring the esp32 example code live. I am able to upload the image error free but when I remove the jumper and then press the reset switch, instead of seeing it logon to my network via ...
- 201
2 votes
1 answer
2k views
How to read an analog value on ESP32-CAM with the SD card reader enabled?
I use an ESP32-Cam module for a project for which I need both the SD card and the cam. According to this page, the only pins that are not in use by either the camera or the SD card reader are GPIO0, ...
- 23