LoRa.AI is a smart control sulution for air conditioner. Low power, wide range ,intelligent infrared remote control scheme .LoRa.AI constitute by LoRa Gateway + LoRA Node. Gateway: MT7688AN + SX1276 (470 MHZ or 470 MHZ), Device: the STM32 + SX1276 (470 MHZ or 470 MHZ). provide cloud entry points, can use a mobile phone to remote control, setting. Node Power supply by lithium batteries(4000mAh), rechargeable, a charge can be used for 300 days.
MT7688AN family integrates a 1T1R 802.11n Wi-Fi radio, a 580MHz MIPS® 24KEc™ CPU, 1-port fast Ethernet PHY,USB2.0 host, PCIe, SD-XC, I2S/PCM and multiple slow IOs.
MT7688 provides two operation modes – IoTgateway mode and IoT device mode. In IoT gateway mode, the PCI Express interface can connect to 802.11ac.chipset for 11ac dual-band concurrent gateway. The high performance USB 2.0 allows MT7688 to add 3G/LTE modem support or add a H.264 ISP for wireless IP camera. For the IoT device mode, MT7688 supports eMMC,SD-XC and USB 2.0. MT7688 can support the WiFi high quality audio via 192Kbps/24bits I2S interface and VoIPapplication through PCM. In IoT device mode, it further supports PWM, SPI slave, 3rd UART and more GPIOs.For IoT gateway, it can connect to touch panel and BLE, Zigbee/Z-Wave and sub-1G RF for smart home control.
The SX1276 transceivers feature the LoRaTM long range modem that provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption.
These devices also support high performance (G)FSK modes for systems including WMBus, IEEE802.15.4g. The SX1276 deliver exceptional phase noise, selectivity, receiver linearity and IIP3 for significantly lower current consumption than competing devices.
Application scenario
Automated Meter Reading.
Home and Building Automation.
Wireless Alarm and Security Systems.
Industrial Monitoring and Control
Long range Irrigation Systems

Features
Geteway
- Chipset : MT7688AN + SX1276 (433/470/868/915 MHz,optional)
- RAM : DDR2 64MByte
- ROM : 16Mbyte SPI Nor Flash
- WiFi : 80211 b/g/n 150Mbps.
- Ethnet : 1 * 10Mbps/100Mbps Ethnet Port.
- LED : 1 * System LED
- Button : 1 * Reset Button
- Gateway is for the Node to connect server and update data to server.
- Power : 5V/1A DC(Type-C) power supply.


Node
- Chipset : STM32 + SX1276 (433/470/868/915 MHz,optional)
- Low power, wide range ,intelligent infrared remote control scheme.
- Infrared control section integration commonly used air conditioning type infrared code library.
- Also can learn the latest infrared library equipment.
- Node Power supply by lithium batteries(4000mAh), rechargeable, a charge can be used for 300 days.
- Can measure the surrounding temperature and humidity and adjust the air conditioning set according to the indoor environment.
- Can set up multiple tasks regularly, such as switch off air conditioner.
- Solutions provide cloud entry points, can use a mobile phone to remote control, setting.
RF Performance
TX Power
RX Sensitivity
EVM
Freq Error
Tolerance
2.4GHz 802.11b 11Mbps
22dBm
-85dBm
-27dB
9 ppm
±2dB
2.4GHz 802.11g 54Mbps
19dBm
-72dBm
-32 dB
9 ppm
±2dB
2.4GHz 802.11n HT20
17dBm
-68dBm
-32 dB
9 ppm
±2dB
2.4GHz 802.11n HT40
17dBm
-68dBm
-33 dB
9 ppm
±2dB