Boardoza HP303B Barometric Pressure and Temperature Sensor Breakout Board
The Boardoza HP303B Breakout Board is a compact, low-power digital barometric pressure and temperature sensor designed for applications that require high accuracy and long-term stability. Based on a capacitive pressure-sensing principle, the HP303B delivers precise measurements even under changing temperature conditions, making it suitable for demanding environmental sensing applications. Each HP303B sensor is individually calibrated at the factory and features a 24-bit internal signal processor that converts raw sensor data into accurate pressure and temperature readings. With support for both I²C and SPI communication, an integrated 32-sample FIFO, and optional interrupt functionality, the breakout board is ideal for IoT devices, wearable electronics, mobile systems, weather stations, altitude measurement applications, and battery-powered sensor nodes.
Temel Özellikler
- High-Accuracy Barometric Pressure Sensor: Designed for precise pressure and altitude measurements across a wide operating range.
- Integrated Temperature Measurement: Provides accurate ambient temperature data alongside pressure readings.
- Factory-Calibrated Sensor: Each HP303B device is individually calibrated, ensuring reliable and consistent output.
- Dual Communication Interface: Supports both I²C and SPI interfaces for flexible system integration.
- 32-Sample FIFO Buffer: Reduces host processor load by minimizing frequent data polling.
- Low Power Consumption: Optimized for battery-powered and low-energy applications such as wearables and IoT nodes.
- Interrupt Support: Optional interrupt signaling via the SDO pin for efficient event-driven designs.
Teknik Özellikler
- Model
- HP303B
- Üretici
- Boardoza
- Üretici
- HOPERF
- Fonksiyonlar
- Digital Barometric Pressure and Temperature Sensor
- Besleme
- 3.3 V – 5 V
- Arayüz
- I²C, SPI
- Pressure Measurement Range
- 300 hPa – 1200 hPa
- Pressure Precision
- ±0.005 hPa (high precision mode)
- Relative Accuracy
- ±0.06 hPa
- Absolute Accuracy
- ±1 hPa
- Sıcaklık Doğruluğu
- ±0.5 °C
- Pressure Temperature Sensitivity
- 0.5 Pa/K
- Measurement Time
- Typical: 27.6 ms (standard mode, 16x) Minimum: 3.6 ms (low precision mode)
- Average Current Consumption
- Pressure Measurement: 1.7 µA @ 1 Hz Temperature Measurement: 1.5 µA @ 1 Hz Standby Mode: 0.5 µA
- FIFO Buffer Depth
- 32 samples
- Çalışma Sıcaklığı
- -40 °C to +85 °C
- Kart Boyutları
- 20 mm x 20 mm
Kart Pin Yapısı
( J1 ) Main Connector
| Pin Numarası | Pin Adı | Açıklama |
|---|---|---|
| 1 | 3V3-5V | Positive Power Supply |
| 2 | SDO | I²C: Address LSB / Interrupt SPI: MISO / Interrupt |
| 3 | CSB | I²C: Not used (leave open) SPI: Chip Select |
| 4 | SDA | I²C: Serial Data SPI: MOSI (4-wire) / Data (3-wire) |
| 5 | SCL | I²C: Serial Clock SPI: Serial Clock |
| 6 | GND | Ground |
Jumper Configuration
| Pin Numarası | Pin Adı | Açıklama |
|---|---|---|
| 1 | JP1, JP2 | SPI mode: Open (default) I²C mode: Short |
| 2 | JP3 | I²C Address 0x77: Open (default) I²C Address 0x76: Short |
Datasheet
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