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32 lines
2.7 KiB
Plaintext
32 lines
2.7 KiB
Plaintext
---
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title: Neptunium flight computer sensors comparison
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author: peter
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date: 2023-11-25 19:43:56 +0800
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categories: [Electronics] # Blogging | Electronics | Programming | Mechanical
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tags: [embedded, electronics] # systems | embedded | rf | microwave | electronics | solidworks | automation
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---
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## Inertial measurement unit (IMU) and accelerometers
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`minimum (Maximum acceleration) >= 16 g`
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| Part number | Cost+Assy fee (USD) | Max. accel. (g) | Accel. bits | Accel. max ODR (Hz) | Max. angular accel. (º/s) | Angular accel. bits | Gyro max ODR (Hz) | Notes |
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| --------------------- | ------------------- | --------------- | ----------- | ------------------- | ------------------------- | ------------------- | ----------------- | ---------------------- |
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| **_LSM6DSOWTR_** | **_$1.75_** | ±16 | 16 | **_6664_** | ±2000 | 16 | **_6664_** | |
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| LSM6DSRTR | $2.4759 | ±16 | 16 | **_6664_** | **_±4000_** | 16 | **_6664_** | |
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| BMI088 | $3.83 | **_±24_** | 16 | 1600 | ±2000 | 16 | 2000 |
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| MPU-6050 | $4.64 | ±16 | 16 | 1000 | ±2000 | 16 | 8000 | Obsolete |
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| **_ADXL375BCCZ-RL7_** | $6.0962 | **±200** | 16 | 3200 | - | - | - | High-_g_ accelerometer |
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## Barometer
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Sea level pressure: 1013.25 hPa\
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Pressure at 33kft: 260 hPa
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| Part number | Cost+Assy fee (USD) | Min pressure (hPa) | Max pressure (hPa) | Max ODR (Hz) | Bits | Rel. accuracy (hPa) | Abs. accuracy (hPa) | | Notes |
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| --------------- | ------------------- | ------------------ | ------------------ | ------------ | ---- | ------------------- | -------------------- | --- | ----- |
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| SPL06-001 | $1.8237 | 300 | 1100 | 128 | 24 | ±0.06 | ±1 |
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| **_LPS22HBTR_** | $1.8740 | **_260_** | 1260 | 75 | 24 | ±0.1 | **_±0.1 (OPC)_**, ±1 |
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| HP203B | $1.9598 | 300 | 1200 | 475 | 24 | ±1.5 | ±3 |
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| DPS310 | $2.4123 | 300 | 1200 | 128 | 24 | ±0.06 | ±1 |
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