This project shows how to record images with the ESP32 and the OV7670 camera without FIFO. An SPI TFT display is supported and a basic web server provides the images in the local network.
The video explaining this code can be found here https://youtu.be/S2yTQHM82jc
Also check out the project page for some details, parts and datasheets http://bitluni.net/esp32-i2s-camera-ov7670/
The project is based on the esp-cam-demo by Ivan Grokhotkov https://github.com/igrr/esp32-cam-demo
Since parts of the code are taken from the esp-cam-demo which are subject to the Apache License 2.0 license. You will find a note in at the top of the respective files. The rest of the code is Public Domain
Arduino IDE
ESP32 integration
Adafruit GFX library
Adafruit ST7735 library