Added lora lib and script

esp32-lora/lora.py

@@ -1,42 +1,13 @@
-from machine import Pin, SPI, ADC
-import time
+from machine import Pin, SPI
 from sx127x import SX127x
 
-# ADC setup
-light_adc = ADC(Pin(1))
-light_adc.atten(ADC.ATTN_11DB)
-light_adc.width(ADC.WIDTH_12BIT)
+# SPI bus
+spi = SPI(1, baudrate=1000000, polarity=0, phase=0,
+          sck=Pin(18), mosi=Pin(23), miso=Pin(19))
 
-# SPI for LoRa
-spi = SPI(
-    1,
-    baudrate=5000000,
-    polarity=0,
-    phase=0,
-    sck=Pin(12),
-    mosi=Pin(11),
-    miso=Pin(13)
-)
-
-lora = SX127x(
-    spi=spi,
-    pins={
-        'cs': Pin(10),
-        'reset': Pin(14),
-        'dio0': Pin(15)
-    },
-    parameters={
-        'frequency': 868E6,   # change if needed
-        'tx_power_level': 14
-    }
-)
-
-while True:
-    raw = light_adc.read()
-
-    payload = "Light: {}".format(raw)
-    print(payload)
-
-    lora.println(payload)
-
-    time.sleep(10)
+# LoRa module
+lora = SX127x(spi, cs=Pin(14), reset=Pin(26), irq=Pin(33),
+              freq=868E6,  # or 915E6 depending on region
+              sf=7,  # spreading factor
+              bw=125E3, # bandwidth
+              cr=5)  # coding rate