១. តើអ្វីទៅជាសៀវភៅរូបមន្ត?
សៀវភៅរូបមន្ត ឬ formula book គឺជាឧបករណ៍មួយដែល display ដែលអាចបញ្ចេញរូបមន្តជាច្រើនតាមតែក្បាលយើងដាក់ក្នុង code
Formula book is a hardware display setup that renders specific targeted math/physics equations compiled straight via firmware onto a small screen interface module.
២. ឧបករណ៍ដែលត្រូវការ / Requirements
Button ចំនួន ៥
Switch ចំនួន ២
ថ្មចំនួន ១ (3.3V)
RGB Display ចំនួន ១
ESP32 Mini Dev Board
Boost 3.3v to 5v
Buzzer Alert Module
PCB Breadboard Card
៣. Schematic Diagram
៤. Hardware Pin Mapping Table
| Peripheral Module Pin | ESP32-C3 Supermini Target Pin |
|---|---|
| RGB DISPLAY BUS MAP | |
| GND | GND |
| VCC | 3.3V |
| SCK | 4 |
| SDA | 3 |
| RES | 0 |
| RS | 2 |
| CS | 10 |
| BLK / LED | 3.3V |
| CONTROL BUTTON KEYPAD MATRIX | |
| Left Button | 5 |
| Right Button | 6 |
| Top Button | 7 |
| Down Button | 20 |
| Exit Button | 21 |
| GND (Common Ground Terminal) | GND |
| SYSTEM AUDIO ALARM UNIT | |
| Buzzer (+) Anode | 8 |
| Buzzer (-) Cathode Base Ground | GND |