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📏 Dimensions
- Width: 34mm
- Height: 30.946mm
- Thickness: 1mm
🛠️ Technical Specifications
Primary Components
Back Side
- Processor: NXP MIMX8MN5DVPIZAA (I.MX 8M NANO - ULTRALIGHT)
- Power Management IC (PMIC): NXP PCA9450BHNY
- Antenna: M310220 Kyocera Avx
- RF Switch: ADG824BCPZ-REEL7 (For Antenna Diversity)
- Camera: Minimum 1MP or 2MP, 16/24Pins, around 100° FOV
- Power & Serial Connector: JST B4B-ZR-SM4-TF (1.5mm, 1 Row, 4 Contacts)
- USB Pads: For SDM (Serial Download Mode for firmware flashing)
- Audio: Speaker Pads and External Speaker
- Wi-Fi/Bluetooth Combo Chip:
- Rev_1.0 to Rev_1.3: Realtek RTL8723DS (Wi-Fi + Bluetooth)
- Final Revision: CYW43012 - 106-ball WLBGA (3.76 x 4.43mm; 0.35mm pitch)
- Storage: Kingston 32EP16-M4FTC32-GA68 (eMMC 5.1 HS400 + LPDDR4X 144-FBGA)
Front Side
- IMU Sensor: Bosch BMI160
- Display: ST0103A2W-WSNLW-F
- Buffer: NC7SP125P5X
- DAC: MAX98357AETE+T
🔧 Design and PCB Progress
- Revisions Rev_1.0 to Rev_1.3: Electrical schematic and PCB design contained errors requiring corrections.
- Final Revision: 100% complete and accurate schematic, no further modifications required.
Status
- Schematic: ██████████ 100% (Complete)
- PCB: ███░░░░░░░░ 30% (In Progress)
📋 Component List & Costs
| Component | Part Number | Price (€) |
|---|---|---|
| Processor | MIMX8MN5DVPIZAA (NXP) | 24.29 |
| Memory ePOP | 32EP16-M4FTC32-GA68 (KINGSTON) | 25.35 |
| Connector | B4B-ZR-SM4-TF (JST) | 0.66 |
| PMIC | PCA9450BHNY (NXP) | 4.11 |
| IMU | BMI160 (BOSCH) | 1.46 |
| WiFi/Bluetooth | CYW43012TC0KFFBH (Infineon) | 10.00 |
| Antenna | M310220 (KYOCERA AVX) | 0.91 |
| Display | ST0103A2W-WSNLW-F (SANTEK) | 31.84 |
| DAC | MAX98357AETE+T (ANALOG DEVICE) | 4.50 |
| Speaker | RS PRO 8Ω 0.5W Mini Speaker | 15.00 |
| RF SWITCH | ADG824BCPZ-REEL7 (ANALOG) | 3.00 |
| Buffer | NC7SP125P5X (Onsemi Fairchild) | 0.70 |
| Camera | MIPI Camera Module – MCM5M120M6F1 (IADY) | 15.00 (USD) |
| PCB + Stencil | JLPCB | 120-150 |
| Estimated Total | - | ~261-291 € + 15 USD |
🔄 Firmware & Software Development
- Bootloader & OS: Custom Linux build optimized for ultra-small form factor.
- SDK & Drivers: Support for Wi-Fi, Bluetooth, IMU, and Display drivers.
- Flashing & Debugging: Via USB Serial Download Mode (SDM) pads.
🛠️ Tools for Developing Applications
- Cross-compilation with GCC & Clang
- Yocto Project for custom Linux image
- OpenOCD for debugging
- MCUXpresso IDE is NXP’s powerful integrated development environment for creating, debugging, and optimizing applications for NXP microcontrollers and processors. It offers a wide range of tools and features for efficient software development.
Getting Started with MCUXpresso IDE:
Download and Install:
- Visit the MCUXpresso IDE Download Page to download the IDE for your platform (Windows/macOS/Linux).
- Follow the installation instructions on the website.
📖 Getting Started Guide
-
Powering the Board:
You can power the board using one of the following methods:- JST B4B-ZR-SM4-TF Connector: Connect 3.3V to this connector for power.
- Power Pads: Alternatively, you can power the board through the designated power pads available on the board.
-
Flashing Firmware:
Use USB SDM pads to upload firmware via NXP U-Boot. -
Connecting Peripherals:
- Camera via MIPI CSI interface
- Display via onboard ST0103A2W-WSNLW-F
- Wi-Fi & Bluetooth enabled by default
-
Developing Applications:
- Use Linux BSP and cross-compile applications.
- Deploy software via SSH or serial connection.
🏗️ Future Roadmap
- Rev_1.4 PCB Completion: Finalizing design adjustments.
- Firmware Optimization: Enhancing power efficiency and boot times.
- Community Contributions: Open-sourcing schematics and SDK.
- Production & Testing: Scaling manufacturing for public release.
📞 Contact & Community
- GitHub Repo: NOVA34 Repository