Lingxuan Zeng
led lights up when senor sense an oject of certain distance
Changes
| Revision | Date | Who | Commit message |
|---|---|---|---|
| 2:e4df70a29bb0 | 2013-05-01 | foxu2798 | added an a |
| 1:92dd04f0bd52 | 2013-05-01 | foxu2798 | I sent you a hi ya |
| 0:d5854f722e00 | 2013-05-01 | zenglingxuan | ultrasound sensor |