基于Semtech LoRa and GP2Y1010AU0F光学空气质量传感器方案
Semtech LoRa 长距离无线技术连接GP2Y1010AU0F 光学空气质量传感器,设计用来感测空气中的尘埃粒子可将检测器放置远程透过LoRa长距离传输监控污染物的空气质量,即使非常细小的如烟草烟雾颗粒也能够被检测到,通常应用在空气净化系统中及监控系统中.
【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危险场域的空气质量,也可监控学附近空气质量,以利安全及卫生监控.
【方案特性】
SX1276(Node)特点:
A. LoRaTM Modem
B. 168 dB maximum link budget
C. +20 dBm – 100 mW constant RF output vs. V supply
D. +14 dBm high efficiency PA
E. Programmable bit rate up to 300 kbps
F. High sensitivity: down to -148 dBm
G. Bullet-proof front end: IIP3 = -11 dBm
H. Excellent blocking immunity
I. Low RX current of 9.9 mA, 200 nA register retention
J. Fully integrated synthesizer with a resolution of 61 Hz
K. FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation
L. Built-in bit synchronizer for clock recovery
M. Preamble detection
N. 127 dB Dynamic Range RSSI
O. Automatic RF Sense and CAD with ultra-fast AFC
P. Packet engine up to 256 bytes with CRC
Q. Built-in temperature sensor and low battery indicator
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