I know I've been promising some of the forum members on this. My apology, work has been hectic and the holiday season is one of the contributor.
Anyway, here it is. The DIY for Dashboard Camera. Should be similar for any other DashCam, but the one that I am using is the BlackVue DR650GW.
Have fun and feel free to let me know if there is something can be added or corrected.
RGSport-Dashcam.pdf
Here is the video sample for the quality.