Added two main.py files, either for setups with, or without LCD screen added!

main_+lcd.py

@@ -0,0 +1,45 @@
+from ProgramChooser import ProgramChooser
+import sys
+import gc
+
+def micronec_run():
+    from micronEC import micronec
+    micronec.run()
+    gc.collect()
+def lora_receiver_run():
+    from lora_simple import lora_receiver
+    lora_receiver.run()
+    gc.collect()
+def lora_sender_run():
+    from lora_simple import lora_sender
+    lora_sender.run()
+    gc.collect()
+def lora_pingpong_run():
+    import lora_pingpong
+    lora_pingpong.run()
+    gc.collect()
+def lcd_big_hello_run():
+    from lcd_examples import lcd_big_hello
+    lcd_big_hello.run()
+    gc.collect()
+def lcd_libtest_run():
+    from lcd_examples import lcd_libtest
+    lcd_libtest.run()
+    gc.collect()
+def led_test_run():
+    from excercise import led_test
+    led_test.run()
+    gc.collect()
+
+programs = {
+    "micronEC": micronec_run,
+    "lorareceiver": lora_receiver_run,
+    "lorasender": lora_sender_run,
+    "lora_pingpong": lora_pingpong_run,
+    "lcd_big_hello": lcd_big_hello_run,
+    "lcd_libtest": lcd_libtest_run,
+    "led_blink": led_test_run,
+    }
+
+pc = ProgramChooser(programs, 7, 8, debug=True)
+pc.run()

main_-lcd.py

@@ -0,0 +1,11 @@
+from simplelora import sender, receiver
+import lora_pingpong
+
+to_run = 0  # 0: ping-pong | 1: sender | 2: receiver
+
+if to_run == 0:
+    lora_pingpong.run()
+elif to_run == 1:
+    sender.run()
+elif to_run == 2:
+    receiver.run()