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+# Installing `esptool`
+
+    $ git clone https://github.com/themadinventor/esptool.git
+    $ cd esptool
+    $ python setup.py install -local
+
+# NodeMCU Uploader
+
+This tool uploads the Lua files. Requires that the device is runnig the Lua firmware.
+
+    $ git clone https://github.com/kmpm/nodemcu-uploader.git
+    $ cd nodemcu-uploader
+
+https://github.com/nodemcu/nodemcu-firmware
+
+# Talking to the Lua firmware
+
+On unix Screen is a useful tool to talk to serial ports. Usage: 
+
+    $ screen <device> <baud rate>
+    
+    $ screen /dev/ttyUSB0 9600
+
+After starting screen and pressing reset you should get some output similar to this:
+
+    <��������������x�
+
+    NodeMCU 0.9.6 build 20150704  powered by Lua 5.1.4
+    lua: cannot open init.lua
+    > 
+
+The first garbage output is expected and is from the bootloader trying to autodetect the baud rate.
+
+# First Code
+
+Open screen and paste this code:
+
+    -- Get the current IP
+    ip = wifi.sta.getip()
+    -- This should print nil
+    print(ip)
+
+    -- Configure the device
+    wifi.setmode(wifi.STATION)    
+    wifi.sta.config("...", "...")
+
+    -- Now check that the IP is assigned. It might take some time so try again.
+    ip = wifi.sta.getip()
+    print(ip)
+
+# References
+
+ * [Lua API](https://github.com/nodemcu/nodemcu-firmware/wiki/nodemcu_api_en)