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Update time：
2021-05-07 17:19:12
Creation time：
2020-09-11 15:18:38
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| ID | Name | Designator | Quantity |
|---|---|---|---|
| 1 | Fan | U8 | 1 |
| 2 | LCD1602 | LCD1 | 1 |
| 3 | Light | U7 | 1 |
| 4 | SN74HC595N | U2,U3 | 2 |
| 5 | 4x4_Keypad | U5 | 1 |
| 6 | ARDUINO_NANO | U1 | 1 |
| 7 | NO | U4 | 1 |
| 8 | ACS712_MODULE | U2,U1 | 2 |
| 9 | Relay 5VDC | K4,K3,K5,K2,K1 | 5 |
| 10 | 220 ohm | R7 | 1 |
| 11 | 1u | C1 | 1 |
| 12 | 100 k | R4,R5,R6,R1,R2,R3 | 6 |
| 13 | 1N4007W | D1 | 1 |
| 14 | SIM800L | U6 | 1 |
| 15 | BC547C | Q4,Q3,Q5,Q2,Q1 | 5 |
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