基于Semtech SX1276 LoRa and SEN0161 水质酸碱监测方案
Semtech LoRa 长距离无线技术连接SEN0161 (pH meter)(水质酸碱监测),设计用来监测水的酸碱值进而可以去了解水质变化是否遭受污染加以监测. PH传感器的电及采用薄离电及和参比电及组合在胶壳内不可填充式覆何电极,是PH计测量员件,用来测量水溶液中氢离子活度,既PH值.
【展示板照片】
【方案方块图】
【系统功能】
使用 LoRa 长距离无线技术可长距离监控水质酸碱值,可确保水质的安全.
【方案特性】
SX1276(Node)特点:
- LoRaTM Modem
- 168 dB maximum link budget
- +20 dBm – 100 mW constant RF output vs. V supply
- +14 dBm high efficiency PA
- Programmable bit rate up to 300 kbps
- High sensitivity: down to -148 dBm
- Bullet-proof front end: IIP3 = -11 dBm
- Excellent blocking immunity
- Low RX current of 9.9 mA, 200 nA register retention
- Fully integrated synthesizer with a resolution of 61 Hz
- FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulatio
- Built-in bit synchronizer for clock recovery
- Preamble detection
- 127 dB Dynamic Range RSSI
- Automatic RF Sense and CAD with ultra-fast AFC
- Packet engine up to 256 bytes with CRC
- Built-in temperature sensor and low battery indicator
【方案联络】
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