Long Exposure Time Lapse with a GoPro

Save the text below into a text file called "autoexec.ash", and place them onto the SD Card. Upon power up, the GoPro will start taking Long Exposure pictures in Time Lapse mode. Just push and hold the power button between exposures to stop the script and power it off.

-----------------------------------------
t app appmode photo
sleep 1
t ia2 -ae still_exp 100 55 55
sleep 1
t app button shutter PR
sleep 6
d:\autoexec.ash
REBOOT yes

------------------------------------------

The script above is a 6 Second Exposure at ISO100.

Explanation:

t app appmode photo
sleep 1
t ia2 -ae still_exp P X Y
sleep 1
t app button shutter PR
sleep A
d:\autoexec.ash
REBOOT yes



Key:

P: ISO

X: Exposure time

Y: Iris (exposure time)

A: timelapse interval

Ref:

http://chernowii.com/gopro-longexp

Value (number to write in hack file)	Exposure Time (seconds)
1	8
23	7
55	6
85	5
120	4
180	3
255	2
400	1

I have made many scripts, so you can pick a prebuilt one, and copy that one script to the SD card. Here is the download link:

https://www.dropbox.com/s/mwhgtqnmwqe9s99/GoPro%20Long%20Exposure%20Scripts.zip?dl=0