Black Friday brings a wave of Amazon device discounts, with some solid savings across their Echo, Fire TV, tablet and smart home hardware. The timing's good if you've been waiting to add some smart features to your home, with savings on everything from streaming sticks to smart displays.

Over the last year, I’ve tested tons of smart cameras, sensors, and robots of every kind, and I’ve found some favorites. Here are my favorite smart tech devices from past year that I’d recommend buying while they're on sale for Black Friday.