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Hi everyone,

The ESP32-CAM is a small camera module with the ESP32-S chip that costs approximately $10. Besides the OV2640 camera, and several GPIOs to connect peripherals, it also features a microSD card slot that can be useful to store images taken with the camera or to store files to serve to clients. Download monlam bodyig 3. Subscribe to my youtube chan nel. Follow me on instagram.

I just would like to say that I am trying to take a picture and save it in SD card. I tested the camera VC0706 by comm tool and I got very good and pure picture. However, when I use the the adafruit Snapshot code I got a picture with some disturbance.
Also, I observed when I repeat the process I usually obtain the same pictures that I got it before even though all the images in the SD card have been deleted before start.
I'm a little bit confused and wondering what is the problem and how can I solve it.

Re: VC0706 ttl-serial-camera with Arduino Uno+SD card by adafruitsupportcarter on Mon Feb 04, 2019 6:59 pm Post a photo of your setup showing how you have everything connected.
This camera module can be a pretty neat project addition. It was designed to be used in security systems and does two main things – it outputs NTSC video and can take snapshots of that video (in color) and transmit them over the TTL serial link.
The Serial Camera is a JPEG color camera module easy for MCU to use. It has integrated image processing DSP to generate 320.240 or 640.480 JPEG image without thumbnail information, Captured picture will be stored in internal buffer and transferred via UART port.

Is there an original library from adafruit may I have it?
I really need your help and your suggestions and opinions.
Thank you.
// This is a basic snapshot sketch using the VC0706 library.
// On start, the Arduino will find the camera and SD card and
// then snap a photo, saving it to the SD card.
// Public domain.
// If using an Arduino Mega (1280, 2560 or ADK) in conjunction
// with an SD card shield designed for conventional Arduinos
// (Uno, etc.), it's necessary to edit the library file:
// libraries/SD/utility/Sd2Card.h
// Look for this line:
// #define MEGA_SOFT_SPI 0
// change to:
// #define MEGA_SOFT_SPI 1
// This is NOT required if using an SD card breakout interfaced
// directly to the SPI bus of the Mega (pins 50-53), or if using
Ttl serial camera arduino codes

// a non-Mega, Uno-style board.
#include <Adafruit_VC0706.h>
#include <SPI.h>
#include <SD.h>
// comment out this line if using Arduino V23 or earlier
#include <SoftwareSerial.h>
// uncomment this line if using Arduino V23 or earlier
// #include <NewSoftSerial.h>
// SD card chip select line varies among boards/shields:
// Adafruit SD shields and modules: pin 10
// Arduino Ethernet shield: pin 4
// Sparkfun SD shield: pin 8 Ttl serial camera arduino uno

// Arduino Mega w/hardware SPI: pin 53
// Teensy 2.0: pin 0
// Teensy++ 2.0: pin 20

Arduino Usb Ttl

#define chipSelect 10
// Pins for camera connection are configurable.
// With the Arduino Uno, etc., most pins can be used, except for
// those already in use for the SD card (10 through 13 plus
// chipSelect, if other than pin 10).
// With the Arduino Mega, the choices are a bit more involved:
// 1) You can still use SoftwareSerial and connect the camera to
// a variety of pins..BUT the selection is limited. The TX
// pin from the camera (RX on the Arduino, and the first
// argument to SoftwareSerial()) MUST be one of: 62, 63, 64,
// 65, 66, 67, 68, or 69. If MEGA_SOFT_SPI is set (and using
Serial

// a conventional Arduino SD shield), pins 50, 51, 52 and 53
// are also available. The RX pin from the camera (TX on
// Arduino, second argument to SoftwareSerial()) can be any
// pin, again excepting those used by the SD card.
// 2) You can use any of the additional three hardware UARTs on
// the Mega board (labeled as RX1/TX1, RX2/TX2, RX3,TX3),
// but must specifically use the two pins defined by that
// UART; they are not configurable. In this case, pass the
// desired Serial object (rather than a SoftwareSerial
// object) to the VC0706 constructor.
// Using SoftwareSerial (Arduino 1.0+) or NewSoftSerial (Arduino 0023 & prior):
#if ARDUINO >= 100
// On Uno: camera TX connected to pin 2, camera RX to pin 3:
SoftwareSerial cameraconnection = SoftwareSerial(2, 3);
// On Mega: camera TX connected to pin 69 (A15), camera RX to pin 3:
//SoftwareSerial cameraconnection = SoftwareSerial(69, 3);
#else
NewSoftSerial cameraconnection = NewSoftSerial(2, 3);

Ttl Serial Camera Arduino

#endif
Adafruit_VC0706 cam = Adafruit_VC0706(&cameraconnection);
// Using hardware serial on Mega: camera TX conn. to RX1,
// camera RX to TX1, no SoftwareSerial object is required:
//Adafruit_VC0706 cam = Adafruit_VC0706(&Serial1);
void setup() {
// When using hardware SPI, the SS pin MUST be set to an
// output (even if not connected or used). If left as a
// floating input w/SPI on, this can cause lockuppage.
#if !defined(SOFTWARE_SPI)
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
if(chipSelect != 53) pinMode(53, OUTPUT); // SS on Mega
#else
if(chipSelect != 10) pinMode(10, OUTPUT); // SS on Uno, etc.
#endif
#endif
Serial.begin(9600);
Serial

Serial.println('VC0706 Camera snapshot test');
// see if the card is present and can be initialized:
if (!SD.begin(chipSelect)) {
Serial.println('Card failed, or not present');
// don't do anything more:
return;
}
// Try to locate the camera
if (cam.begin()) {
Serial.println('Camera Found:');
} else {
Serial.println('No camera found?');
return;
}
// Print out the camera version information (optional)
char *reply = cam.getVersion();
if (reply 0) {
Serial.print('Failed to get version');
} else {
Serial.println('-----------------');
Serial.print(reply);
Serial.println('-----------------');
}
// Set the picture size - you can choose one of 640x480, 320x240 or 160x120
// Remember that bigger pictures take longer to transmit!
cam.setImageSize(VC0706_640x480); // biggest
//cam.setImageSize(VC0706_320x240); // medium
//cam.setImageSize(VC0706_160x120); // small
// You can read the size back from the camera (optional, but maybe useful?)
uint8_t imgsize = cam.getImageSize();
Serial.print('Image size: ');
if (imgsize VC0706_640x480) Serial.println('640x480');
if (imgsize VC0706_320x240) Serial.println('320x240');
if (imgsize VC0706_160x120) Serial.println('160x120');
Serial.println('Snap in 3 secs..');
delay(3000);
if (! cam.takePicture())
Serial.println('Failed to snap!');
else
Serial.println('Picture taken!');
// Create an image with the name IMAGExx.JPG
char filename[13];
strcpy(filename, 'IMAGE00.JPG');
for (int i = 0; i < 100; i++) {
filename[5] = '0' + i/10;
filename[6] = '0' + i%10;
// create if does not exist, do not open existing, write, sync after write
if (! SD.exists(filename)) {
break;
}
}
// Open the file for writing
File imgFile = SD.open(filename, FILE_WRITE);
// Get the size of the image (frame) taken
uint16_t jpglen = cam.frameLength();
Serial.print('Storing ');
Serial.print(jpglen, DEC);
Serial.print(' byte image.');
int32_t time = millis();
pinMode(8, OUTPUT);
// Read all the data up to # bytes!
byte wCount = 0; // For counting # of writes Ttl Serial Camera Arduino

while (jpglen > 0) {
// read 32 bytes at a time;
uint8_t *buffer;
uint8_t bytesToRead = min(32, jpglen); // change 32 to 64 for a speedup but may not work with all setups