1 00:00:14,880 --> 00:00:17,360 AUDIENCE: That was awesome, but my card was stolen. 2 00:00:17,360 --> 00:00:19,369 [LAUGHING] 3 00:00:19,369 --> 00:00:21,910 GUEST SPEAKER 1: So this is the Soil Moisture Inversion Level 4 00:00:21,910 --> 00:00:25,481 Estimator, or SMILE, for short, and it 5 00:00:25,481 --> 00:00:27,610 will keep your plants happy. 6 00:00:27,610 --> 00:00:30,530 GUEST SPEAKER 2: By telling you when your soil is too wet, too 7 00:00:30,530 --> 00:00:32,808 dry, or just right. 8 00:00:32,808 --> 00:00:37,890 So it uses an RGB LED, and any soil moisture sensor. 9 00:00:37,890 --> 00:00:41,700 GUEST SPEAKER 1: And here's how it works, 10 00:00:41,700 --> 00:00:48,120 GUEST SPEAKER 2: So just water turns blue, and that's too wet. 11 00:00:48,120 --> 00:00:52,578 GUEST SPEAKER 1: It says "Gone Fishing" in the silly monitor. 12 00:00:52,578 --> 00:00:54,522 [LAUGHING] 13 00:01:03,290 --> 00:01:06,109 GUEST SPEAKER 2: Moist soil will turn green 14 00:01:06,109 --> 00:01:07,400 if you stick it in all the way. 15 00:01:07,400 --> 00:01:08,790 And then it says-- 16 00:01:08,790 --> 00:01:09,710 what does it say? 17 00:01:09,710 --> 00:01:10,590 GUEST SPEAKER 2: I feel good. 18 00:01:10,590 --> 00:01:12,090 GUEST SPEAKER 2: I feel good, so you 19 00:01:12,090 --> 00:01:13,530 don't need to water your plant. 20 00:01:13,530 --> 00:01:19,234 And then completely dry soil is red, and it says-- 21 00:01:19,234 --> 00:01:20,810 GUEST SPEAKER 1: I'm thirsty. 22 00:01:20,810 --> 00:01:22,940 GUEST SPEAKER 2: Water me, I'm thirsty.