Arduino Project: Humidity Temperature Data Logger
Humidity Temperature Data Logger adalah projek yang membaca sensor DHT11 atau DHT22, kemudian menyimpan setiap bacaan nya kedalam SD Card.
Data disimpan di dalam SD Card dalam file .CSV dan disimpan setiap saat. Setiap jam, file baru mengikut tarikh dan jam akan dihasilkan.
Skematiknya adalah seperti berikut.
PCB komponen layout nya adalah seperti berikut.
| No | Component | Label | Unit |
|---|---|---|---|
| 1 | 040 PCB Arduino Data Logger (83mm X 82mm) | PCB | 1 |
| 2 | Breakout Board Micro SD | SD Card | 1 |
| 3 | Capacitor SMD1206 0.1uF | C5 | 1 |
| 4 | Capacitor SMD1206 10uF | C1-C2, C6-C7 | 4 |
| 5 | Capacitor SMD1206 22pF | C3-C4 | 2 |
| 6 | Cell Battery CR2032 | Battery 3V | 1 |
| 7 | Cell Battery Holder | Battery 3V | 1 |
| 8 | Crystal SMD 16MHz | XTAL1 | 1 |
| 9 | Crystal SMD RTC 32.768kHz | XTAL2 | 1 |
| 10 | DC Jack Female | DC Jack Female | 1 |
| 11 | Diode SMD1206 1N4001 | D1 | 1 |
| 12 | IC ATMEGA328P-AU TQFP | ATMEGA328 | 1 |
| 13 | IC DS1307 SOIC | DS1307 | 1 |
| 14 | LCD 16X2 | LCD | 1 |
| 15 | Micro SD Card 4GB | SD Card | 1 |
| 16 | PCB Connector Header (Right) 4 Ways | SEN1 | 1 |
| 17 | PCB Connector Housing 4 Ways | SEN1 | 1 |
| 18 | PCB Stand (screw nut) | PCB Stand | 6 |
| 19 | Push Button 4 pin 6x6x1 | PB1-PB4 | 4 |
| 20 | Resistor SMD1206 0.125W 10K | R4 | 1 |
| 21 | Resistor SMD1206 0.125W 3.3K | R12 | 1 |
| 22 | Resistor SMD1206 0.125W 330 | R11 | 1 |
| 23 | Resistor SMD1206 0.125W 330 | R1-R3 | 3 |
| 24 | Resistor SMD1206 0.25W 1K | R5-R10 | 6 |
| 25 | Right Angle Pin Header (Male) | ICSP | 1 |
| 26 | Sensor DHT22 | SEN1 | 1 |
| 27 | Slide Switch | S1 | 1 |
| 28 | Terminal Block 2 Way | DC | 1 |
| 29 | Terminal Pin | SEN1 | 4 |
| 30 | Voltage Regulator 3.3V SOT223 | LM1117 | 1 |
| 31 | Voltage Regulator 5V SOT223 | 7805 | 1 |
Harga projek Humidity Temperature Data Logger adalah RM370 tidak termasuk bantuan teknikal. Di bawah adalah cara projek ini berfungsi.
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