Good deal on this Arduino Uno clone: $9
by Mark Frauenfelder from on (#30Z4K)
The Elegoo UNO R3 Board is on sale on Amazon today for $9.34. I've used this board in a couple of projects, like my peanut butter mixer, and it has worked flawlessly. And if you need a kit of parts to go along with it, here's one for $18.