Merged

01_LED_BLINK/led_blink.py

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+# Code to blink the LED on NodeMCU (ESP8266).
+
+import machine, time
+
+led = machine.Pin(2, machine.Pin.OUT)
+
+for i in range(20):
+        led.off()
+        time.sleep_ms(500)
+        led.on()
+        time.sleep_ms(500)

01_LED_BLINK/readme.md

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+# 01_LED_BLINK
+To run the program use the following ampy command
+
+## MAC OS
+```bash
+    ampy --port /dev/tty.SLAB_USBtoUART run led_blink.py
+```
+
+## Linux
+```bash
+    ampy --port /dev/ttyUSB0 run wifi_connect.py
+```

02_Connecting to Wifi/readme.md

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+# 02_Connecting_to_Wifi
+This program is to connect to WiFi using NodeMCU
+To run the program use the following ampy command
+
+
+```bash
+    ampy --port /dev/tty.SLAB_USBtoUART run wifi_connect.py
+```

02_Connecting to Wifi/wifi_connect.py

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+import network
+    sta_if = network.WLAN(network.STA_IF)
+    if not sta_if.isconnected():
+        print('Connecting to network...')
+        sta_if.active(True)
+        sta_if.connect('<Your ESSID>', '<Password>')
+        while not sta_if.isconnected():
+            pass
+    print('Network config:', sta_if.ifconfig())

02_WiFi_CONNECT/readme.md

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+# 02_WiFi_CONNECT
+To run the program use the following ampy command
+
+## MAC OS
+```bash
+    ampy --port /dev/tty.SLAB_USBtoUART run wifi_connect.py
+```
+
+## Linux
+```bash
+    ampy --port /dev/ttyUSB0 run wifi_connect.py
+```

02_WiFi_CONNECT/wifi_connect.py

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+# Code to connect the NodeMCU (ESP8266) to a WiFi network.
+
+import network      # The network module is used to configure the WiFi connection. 
+
+sta_if = network.WLAN(network.STA_IF)   # Station interface.
+ap_if = network.WLAN(network.AP_IF)     # Access point interface.
+
+# Checking if interfaces are active. 
+"""
+Upon a fresh install the ESP8266 is configured in access point mode, so ap_if interface is active and sta_if interface is inactive.
+"""
+print(sta_if.active())         # Prints (on Terminal) FALSE.
+print(ap_if.active())          # Prints (on Terminal) TRUE.
+
+sta_if.active(True)     # Activate the station interface.
+
+sta_if.connect('ESSID', 'PASSWORD')  # Replace ESSID with the network name, and PASSWORD with the password for the network.
+
+
+print(sta_if.isconnected())     # Prints (on Terminal) TRUE if connection is established properly.
+
+print(sta_if.ifconfig())        # Prints (on Terminal) the IP address, netmask, gateway, DNS.
+
+ap_if.active(False)           # To disable the access point when not in use.

03_RGB_LED/readme.md

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+# 02_RGB_LED_COLOUR_VARIATIONS
+- This program is for controlling RGB LED using NodeMCU
+- Run this program after setting up the hardware part. For more information visit : 
+[Controlling RGB LED using NOdeMCU](https://blog.thepodnet.com/nodemcu-rgb-led-using-micropython/)
+
+After setting up the circuit, run the program by using following ampy command in terminal
+
+```bash
+    ampy --port /dev/tty.SLAB_USBtoUART run rgb_led.py
+```

03_RGB_LED/rgb_led.py

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+import machine
+import time
+
+blue = machine.Pin(14, machine.Pin.OUT)
+red = machine.Pin(12, machine.Pin.OUT)
+green = machine.Pin(13, machine.Pin.OUT)
+
+while True:
+        green.on()
+        time.sleep_ms(500)
+        green.off()
+        time.sleep_ms(500)
+        blue.off()
+        time.sleep_ms(500)
+        blue.on()
+        time.sleep_ms(500)
+        red.on()
+        time.sleep_ms(500)
+        red.off()
+        time.sleep_ms(500)

04_ACCESS_POINT/accesspoint.py

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+# Code to make the NodeMCU (ESP8266) an access point, so that other devices can connect to it.
+
+import network
+
+ap = network.WLAN(network.AP_IF)        # Access point interface, this will be used to make the Node into a hotspot.
+
+ap.active(True)     # Activate the Access Point interface.
+
+ap.config(essid="ESSID", password="PASSWORD")       # Replace ESSID with the network name, and PASSWORD with the password for other devices to connect.
+
+print(ap.ifconfig())        # Prints (on Terminal) the IP address, netmask, gateway, DNS.
+
+# The following command returns True if devices are connected to the NodeMCU.
+# ap_if.active()

04_ACCESS_POINT/readme.md

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+# 04_ACCESS_POINT
+To run the program use the following ampy command
+
+## MAC OS
+```bash
+    ampy --port /dev/tty.SLAB_USBtoUART run accesspoint.py
+```
+
+## Linux
+```bash
+    ampy --port /dev/ttyUSB0 run accesspoint.py
+```