Raspberry Pi Project: Button Display
Button Display adalah projek yang memaparkan enam belas jenis proses yang ditentukan daripada software desktop. Arahan dihantar melalui komunikasi RS485.
Skematiknya adalah seperti di berikut.
PCB komponen layout nya adalah seperti berikut.
| No | Component | Label | Unit |
|---|---|---|---|
| 1 | 071 PCB RPi 16 Output | PCB | 1 |
| 2 | Capacitor SMD1206 0.1uF | C3 | 1 |
| 3 | Capacitor SMD1206 10uF | C1-C2 | 2 |
| 4 | DC-DC Recom 5V 2.5W | 7805 | 1 |
| 5 | Diode SMD1206 1N4001 | D1 | 1 |
| 6 | IC MAX485 SOIC | MAX485 | 1 |
| 7 | IC PIC12F1840 SOIC | PIC12F1840 | 1 |
| 8 | IDC Socket 40 ways | RPi | 2 |
| 9 | KF2EDGK 5.08mm Right-Angle Terminal Connector 1X2 | OUT1-OUT16 | 16 |
| 10 | KF2EDGK 5.08mm Right-Angle Terminal Connector 1X2 | RS485 | 1 |
| 11 | KF2EDGK 5.08mm Right-Angle Terminal Connector 1X2 | PWR | 1 |
| 12 | KF2EDGV 5.08mm Terminal Connector 1X2 | RS485 | 1 |
| 13 | KF2EDGV 5.08mm Terminal Connector 1X2 | PWR | 1 |
| 14 | KF2EDGV 5.08mm Terminal Connector 1X2 | OUT1-OUT16 | 16 |
| 15 | Mosfet IRF540 TO263 | Q1-Q17 | 17 |
| 16 | OLED | OLED | 1 |
| 17 | Push Button SMD 4 pin 6x6x4.3 | PB1 | 1 |
| 18 | Raspberry Pi 4 2GB + 32GB microSD | RPi | 1 |
| 19 | Resistor SMD0805 0.125W 120 | R20 | 1 |
| 20 | Resistor SMD0805 0.125W 1K | R3-R18 | 16 |
| 21 | Resistor SMD0805 0.125W 20K | R19, R21 | 2 |
| 22 | Resistor SMD1206 0.25W 1K | R1-R2 | 2 |
| 23 | Right Angle Pin Header (Male) | ICSP | 1 |
| 24 | Straight Pin Header (Male) | RPi | 1 |
| 25 | USB to RS485 Converter | RS485 | 1 |
Harga projek Button Display adalah RM1400 tidak termasuk bantuan teknikal. Di bawah adalah cara projek ini berfungsi.
Leave a Reply