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--- pm:prj2026:bianca.popa1106:robert.springer [2026/05/11 13:04]
robert.springer [Hardware Design]
+++ pm:prj2026:bianca.popa1106:robert.springer [2026/05/18 16:56] (current)
robert.springer [Hardware Design]
@@ Line 1: / Line 1: @@
 ====== Smart Access Control System =====
 ====== Introduction =====
@@ Line 41: / Line 40: @@
 | Input | 2x Tactile Buttons | Analog (Voltage Divider) |
 | Resistors | 10k (Pulldown), 2.2k (Series) | - |
+**Datasheets:**
+  - [[https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-7810-Automotive-Microcontrollers-ATmega328P_Datasheet.pdf|Arduino Nano (ATmega328P)]]
+  - [[https://www.ti.com/lit/ds/symlink/drv8833.pdf|DRV8833 Dual Bridge]]
+  - [[https://www.aslongdcmotor.com/photo/aslongdcmotor/document/26549/12MM%20Small%20Dc%20Gear%20Motor_PDF00.pdf|N20 DC Gear Motor]]
+  - [[https://www.handsontec.com/dataspecs/module/I2C_1602_LCD.pdf|I2C LCD 1602 (0x27)]]
 **Block diagram**:
@@ Line 46: / Line 52: @@
 {{:pm:prj2026:bianca.popa1106:proiect_pm.png?600|}}
-**Wireing diagram**:
+**Wiring diagram**:
 {{:pm:prj2026:bianca.popa1106:ss_proiect.png?600|}}
 ===== Software Design =====
-The firmware is developed using the PlatformIO environment with the Arduino framework. It focuses on non-blocking input detection and real-time feedback.
+===Developement enviorement===
+  * **Visual Studio Code**
+  * **PlatformIO IDE**
+  * **C++ Language**
+  * **Arduino framework**
+===Libraries===
+  * **<Arduino.h>**
+  * **<Wire.h>**
+  * **<LiquidCrystal_I2C.h>** - for the LCD screen
 **Algorithms and Implementation**: