Semtech LoRa 长距离无线技术连接压力传感器(Force-Sensitive Resistor) Sensor温度湿度传感器,压力传感器(Force-Sensitive Resistor),顾名思义,加诸不同的力量(挤压、重量),便会得到不同的电阻,进而改变模拟输入脚位所读取到的电压值,做为侦测信号.可用于贩卖机饮料售出总数量监测, 以及货物总数量监测. 如贩卖机应用可减少人力巡查补货己及大数据的收集了解每个区域地方人们的消费喜好.
► 核心技术优势
使用 LoRa 长距离无线技术可长距离监测商品销售,以及长距离监控货物是否有减少及遗失.
► 方案规格
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
方案来源于大大通。