Green Electronics via Newegg offers the 2nd-generation RainMachine Mini-8 Smart WiFi Irrigation Controller for $129. Apply coupon code "MPBTS17" and check out with MasterPass to cut the price to $119. With free shipping, that's a $10 drop from yesterday and the lowest price we've seen. (It's the best deal today by $30.) It adjusts watering time in up to eight zones based on a 7-day advanced weather forecast and features smartphone integration, 802.11n wireless, and a SimpleTouch interface. Deal ends August 31.

Note: This coupon can only be used once per account.