2.1 KiB
2.1 KiB
| 1 | Category | Component | Description | Typical Qty | Used In | Notes |
|---|---|---|---|---|---|---|
| 2 | Core MCU | ESP32-C3 DevKit | Low-cost main board | 1 per node | Master, IMU Slave, CoG Scale | Default low-cost choice |
| 3 | Core MCU | ESP32-S3 DevKit | Higher headroom alternative | 1 per node | Master, IMU Slave, CoG Scale | Useful for USB and future UI/diagnostics |
| 4 | IMU | MPU6050 | GY-521 style 6-axis IMU | 1 per IMU node | Master, IMU Slave | Current robust driver implemented |
| 5 | Power | LiPo 1S | Portable battery pack | 1 per portable node | Master, IMU Slave, CoG Scale | Capacity depends on runtime target |
| 6 | Power | TP4056 USB-C | LiPo charger/protection board | 1 per portable node | Master, IMU Slave, CoG Scale | Optional for bench-powered scale jig |
| 7 | Power | 3.3V regulator | Clean 3.3V supply | 1 per portable node | Master, IMU Slave, CoG Scale | Avoid noisy supply rails |
| 8 | Battery ADC | 10k resistor | Voltage divider top resistor | 1 per monitored node | Master, IMU Slave | Use only where ADC monitoring is actually wired |
| 9 | Battery ADC | 10k resistor | Voltage divider bottom resistor | 1 per monitored node | Master, IMU Slave | Master S3 currently optional |
| 10 | CoG Sensor | HX711 | 24-bit load cell ADC | 2 per CoG scale | CoG Scale | One per support recommended |
| 11 | CoG Sensor | Load cell | Single-point or suitable existing load cell | 2 per CoG scale | CoG Scale | Choose range for aircraft mass |
| 12 | Assembly | JST-PH 2.0 | Battery connector | 1 per battery node | Master, IMU Slave, CoG Scale | Often already fitted to LiPo |
| 13 | Assembly | Wire | Signal and power wiring | as needed | All | Keep I2C runs short |
| 14 | Assembly | Heat shrink | Insulation and strain relief | as needed | All | Recommended for portable nodes |
| 15 | Mechanical | Sensor housing | 3D printed IMU enclosure | 1 per IMU node | Master, IMU Slave | Existing AeroAlign style |
| 16 | Mechanical | Control surface clip | 3D printed clip | 1 per IMU node | Master, IMU Slave | 3 mm / 5 mm / 8 mm variants |
| 17 | Mechanical | Scale support cradle | 3D printed support fixture | 2 per CoG scale | CoG Scale | To be designed |
| 18 | Mechanical | Scale base | 3D printed baseplate | 1 per CoG scale | CoG Scale | To be designed |
| 19 | Reference | Known calibration mass | Weight for HX711 calibration | 1 set | CoG Scale | Needed for repeatable scale factors |