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.

Senarai komponen projek Button Display seperti berikut.
No Component Label Unit
1 070 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 Micro SD Card 8GB RPi 1
16 Mosfet IRF540 TO263 Q1-Q17 17
17 OLED OLED 1
18 Push Button SMD 4 pin 6x6x4.3 PB1 1
19 Raspberry Pi 4 Model B - 2GB RPi 1
20 Resistor SMD0805 0.125W 120 R20 1
21 Resistor SMD0805 0.125W 1K R3-R18 16
22 Resistor SMD0805 0.125W 20K R19, R21 2
23 Resistor SMD1206 0.25W 1K R1-R2 2
24 Right Angle Pin Header (Male) ICSP 1
25 Straight Pin Header (Male) RPi 1
26 USB to RS485 Converter RS485 1

Harga projek Button Display adalah RM1200 tidak termasuk bantuan teknikal. Di bawah adalah cara projek ini berfungsi.

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