old_contents: #    LoRa.py
  #Communication module: LoRa.
  #Communication method with gateway via LoRa.
  #Uart port drive LoRa module.
  #Parse JSON between device and gateway via LoRa channel.
  #LoRa module: E32-TTL-100
  #Pin specification:
  #Module         MCU
  #M0(IN)    <--> GPIO(OUT)     #mode setting, can not hang
  #M1(IN)    <--> GPIO(OUT)     #mode setting, can not hang
  #RXD(IN)   <--> X1(TX)(OUT)   #UART4
  #TXD(OUT)  <--> X2(RX)(IN)    #UART4
  #AUX(OUT)  <--> GPIO/INT(IN)  #module status detecting
  #VCC
  #GND
  
  #Communication mode is 0, need to set M0 and M1 to 0.
  
  #JSON data format:
  #{ID:123,CMD:heartbeat,DATA:hello,SEQUENCE:123}
  from pyb import UART  
  u4 = UART(4,115200)  
  u4.init(115200, bits=8, parity=None, stop=1)  
  def Send(data):
    u4.write(data)
  
  #update record
  #update record
  #update record
  #update record
  
new_contents: #    LoRa.py
  #Communication module: LoRa.
  #Communication method with gateway via LoRa.
  #Uart port drive LoRa module.
  #Parse JSON between device and gateway via LoRa channel.
  #LoRa module: E32-TTL-100
  #Pin specification:
  #Module         MCU
  #M0(IN)    <--> GPIO(OUT)     #mode setting, can not hang
  #M1(IN)    <--> GPIO(OUT)     #mode setting, can not hang
  #RXD(IN)   <--> X1(TX)(OUT)   #UART4
  #TXD(OUT)  <--> X2(RX)(IN)    #UART4
  #AUX(OUT)  <--> GPIO/INT(IN)  #module status detecting
  #VCC
  #GND
  
  #Communication mode is 0, need to set M0 and M1 to 0.
  
  #JSON data format:
  #{ID:123,CMD:heartbeat,DATA:hello,SEQUENCE:123}
  from pyb import UART  
  u4 = UART(4,115200)  
  u4.init(115200, bits=8, parity=None, stop=1)  
  def Send(data):
    u4.write(data)
  
  #update record
  #update record
  #update record
  #update record
  #update record
  
subject: Update LoRa.py