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* Add files via upload * Update week 12 index.md * Move project folder to correct directory * Fix image formats * Update index.md * Add files via upload * Add files via upload * Delete website/versioned_docs/version-fils_en/project/2026/oana_mihaela.netoiu/hw1.webp * Delete website/versioned_docs/version-fils_en/project/2026/oana_mihaela.netoiu/hw2.webp * Delete website/versioned_docs/version-fils_en/project/2026/oana_mihaela.netoiu/hw3.webp * Update index.md
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versioned_docs/version-fils_en/project/2026/oana_mihaela.netoiu/index.md renamed to website/versioned_docs/version-fils_en/project/2026/oana_mihaela.netoiu/index.md

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Received all the hardware components, including the STM32 Nucleo board. Unboxed and organized the components for assembly. Verified the pinout compatibility between the Nucleo-U545RE-Q and the peripheral modules. Started the initial hardware assembly on the breadboards and began the first connectivity tests for the power rails and basic GPIO.
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### Weeks 10-11
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Finished the whole hardware assembly and the KiCad Schematic after receiving all the components. I will probably change the jumper wires to shorter ones or rigid ones for a more organized look.
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## Hardware
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The core of the project is the STM32 Nucleo-U545RE-Q board. The visual interface is handled by a 0.96" I2C OLED display. Distance detection is measured by the HC-SR04 ultrasonic sensor, which dictates the state of the SG90 180-degree servo motor, controlling the barrier. Audio feedback is processed by a DFPlayer Mini MP3 module reading from a FAT32-formatted microSD card, outputting to a 1W 8-Ohm speaker. Visual feedback is provided by 3 common-cathode RGB LEDs, and manual inputs are handled by the 6x6x6 push button. The circuit is prototyped on 1 to 3 400-point breadboards using standard Dupont jumper wires.
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The core of the project is the STM32 Nucleo-U545RE-Q board. The visual interface is handled by a 0.96" I2C OLED display. Distance detection is measured by the HC-SR04 ultrasonic sensor, which dictates the state of the SG90 180-degree servo motor, controlling the barrier. Audio feedback is processed by a DFPlayer Mini MP3 module reading from a FAT32-formatted microSD card, outputting to a 1W 8-Ohm speaker. Visual feedback is provided by 3 common-cathode RGB LEDs, and manual inputs are handled by the 6x6x6 push button. The circuit is prototyped on 3 400-point breadboards using standard Dupont jumper wires.
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![hardware image 1](hw1_with_bgc.webp)
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![hardware image 2](hw2_with_bgc.webp)
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![hardware image 3](hw3_with_bgc.webp)
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### Schematics
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Place your KiCAD or similar schematics here in SVG format.
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![Schematic](smart_parking_simulator_scehmatic(1).svg)
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### Bill of Materials
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6. [DFPlayer Mini Technical Manual](https://wiki.dfrobot.com/DFPlayer_Mini_SKU_DFR0299)
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7. [HC-SR04 Ultrasonic Sensor Datasheet](https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdf)
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8. [SG90 Servo Motor Specifications](https://www.google.com/search?q=https://datasheetspdf.com/pdf-file/791970/TowerPro/SG90/1&authuser=1)
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9. [Embassy STM32 RNG Documentation](https://www.google.com/search?q=https://docs.embassy.dev/embassy-stm32/git/stm32u545re/rng/index.html&authuser=1)
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9. [Embassy STM32 RNG Documentation](https://www.google.com/search?q=https://docs.embassy.dev/embassy-stm32/git/stm32u545re/rng/index.html&authuser=1)

website/versioned_docs/version-fils_en/project/2026/oana_mihaela.netoiu/smart_parking_simulator_scehmatic(1).svg

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