Differences
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pm:prj2026:vlad.radulescu2901:sebastian.coitu [2026/05/13 18:42] sebastian.coitu |
pm:prj2026:vlad.radulescu2901:sebastian.coitu [2026/05/13 19:02] (current) sebastian.coitu |
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| ==== Electrical Schematic ==== | ==== Electrical Schematic ==== | ||
| - | {{:pm:prj2026:vlad.radulescu2901:schema_electrica_v3.png?700|}} | + | {{:pm:prj2026:vlad.radulescu2901:schema_electrica_v4.png?700|}} |
| - | + | ||
| - | * Note: in the above electrical schematic the LDR is a complete module including the R2 voltage divider | + | |
| ==== Pin Mapping ==== | ==== Pin Mapping ==== | ||
| ^ ATmega328P Pin ^ Arduino Pin ^ Signal ^ Connected To ^ | ^ ATmega328P Pin ^ Arduino Pin ^ Signal ^ Connected To ^ | ||
| - | | PD6 (OC0A) | D6 | PWM LED | LED anode (via R1, 220 Ω) | | + | | PD6 (OC0A) | D6 | PWM RED | R5 (1kΩ) → Base T1 (2N2222, R channel) | |
| + | | PD5 (OC0B) | D5 | PWM Green | R6 (1kΩ) → Base T2 (2N2222, G channel) | | ||
| + | | PD3 (OC0C) | D3 | PWM Blue | R7 (1kΩ) → Base T3 (2N2222, B channel) | | ||
| | PC0 (ADC0) | A0 | ADC input | Potentiometer wiper | | | PC0 (ADC0) | A0 | ADC input | Potentiometer wiper | | ||
| | PC1 (ADC1) | A1 | ADC input | LDR voltage divider midpoint | | | PC1 (ADC1) | A1 | ADC input | LDR voltage divider midpoint | | ||
| Line 53: | Line 53: | ||
| | PB7 | D7 | GPIO input | Onboard button | | | PB7 | D7 | GPIO input | Onboard button | | ||
| | VCC | 5V | 5V | VCC potentiometer, VCC LCD, VCC LDR | | | VCC | 5V | 5V | VCC potentiometer, VCC LCD, VCC LDR | | ||
| - | | GND | GND | GND | LED catod,GND potentiometer, GND LCD, GND LDR | | + | | GND | GND | GND | GND for all components + external power source | |
| ===== Software Design ===== | ===== Software Design ===== | ||
