Remote control and image retrieval from Nikon DSLR

This post explains how to control a Nikon D3100 DSLR, and then get the images off of it.

Quantity		Component name
1	×	MC-DC2 Remote release cord for Nikon cameras
1	×	ASSR-V621 Dual Channel Photovoltaic MOSFET Driver
1	×	ATMEGA328PB Microcontroller
1	×	D3100 Nikon digital SLR camera