DIY intervalometer for Sony NEX

Posted on Feb 6, 2014

A DIY intervalometer for my Sony NEX 5N camera so that I could do time-lapse photography. This intervalometer should work with most Sony cameras: NEX, Alpha and other. To work intervalometer used infrared LED Serial LCD has 4 output: GND, VCC, SDA, SCL. SDA (data) connect to Arduino Analog In 4, SCL (clock) connect to Analog In 5. Vcc connect to 5V Arduino, and GND connect to

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GND Arduino. Circuit is powered by 9V battery. Battery positive output connected to the input Vin Arduino. Arduino has a built-5V voltage converter that we need to power the Serial LCD. The anode of the IR LED is connected through current limiting resistor and connected to 10-pin Arduino. Cathode of the IR LED connected to GND. // Article // Version 1. 0 #include "Wire. h" #include "LiquidCrystal_I2C. h" #define axis_X 0 // axis X of Joystic connected to Analog 0 #define axis_Y 1 // axis Y of Joystic connected to Analog 1 #define axis_Z 2 // axis-button Z of Joystic connected to Digital 2 #define pinIRLED 10 // IR LED #define LEDgreen 13 // onboard LED #define autoOFF 10 // autoOFF backlight LCD LiquidCrystal_I2C lcd(0x27, 16, 2); // set the LCD address to 0x27 for a 16 chars and 2 line display int value_X, value_Y, value_Z = 0; // axis values int pos = 0; // current position (0 - delay, 1 - work) int interval = 1; // pause between shots (sec) int cntPict = 0; // shots count boolean working = false; unsigned long currentTime; unsigned long TimeShot, TimeLCDOff; void setup() { pinMode(axis_Z, INPUT); // Joystic button pinMode(pinIRLED, OUTPUT); // IR LED lcd. init(); // init LCD lcd. backlight(); // turn LCD backlight ON lcd. clear(); // clear LCD show_menu(); // function show menu currentTime = millis(); TimeShot = currentTime; // shots timer TimeLCDOff = currentTime; // backlight timer //Serial. begin(115200); } void...

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