Minor updates to README

Author: denis-stepanov

README.md

@@ -8,7 +8,7 @@ Program features:
 * Support for Wi-Fi network reconfiguration;
 * Web interface with mDNS support to configure the switch;
 * Support for turning the bulb on or off via web interface, including a direct URL for toggle;
-* Storing of the user-selected device in EEPROM (survives power off);
+* Storing of the user-selected light device in EEPROM (survives power off);
 * No hardcoded or entered bulb IP addresses;
 * Detailed diagnostics sent over serial interface.
 
@@ -19,7 +19,7 @@ Current known limitations:
 
 Usage:
  1. review the configuration settings at the top of the program; compile and flash your ESP8266;
- 1. boot with the push button pressed, connect your computer to the Wi-Fi network "ybutton1", password "Yeelight", enter and save your Wi-Fi network credentials;
+ 1. boot with the push button pressed, connect your computer to the Wi-Fi network "ybutton1", password "Yeelight", go to the captive portal, enter and save your Wi-Fi network credentials;
  1. in your Wi-Fi network, go to http://ybutton1.local, run the Yeelight scan and link the switch to the bulb found;
  1. use the push button to control your bulb manually;
  1. access to http://ybutton1.local/flip to toggle the bulb from a script.
@@ -32,11 +32,11 @@ Usage:
 
  Prerequsites:
  1. Hardware:
-    1. ESP8266
-    1. Push button connected to GPIO and pulled high;
+    1. ESP8266 (tested with ESP-12E Witty Cloud);
+    1. Push button connected to a GPIO and pulled high;
  1. Software:
-    1. Arduino IDE, https://www.arduino.cc/en/main/software
-    1. ESP8266 core for Arduino, https://github.com/esp8266/Arduino
-    1. WiFiManager library for Arduino, https://github.com/esp8266/Arduino
+    1. Arduino IDE, https://www.arduino.cc/en/main/software (version tested: 1.8.5);
+    1. ESP8266 core for Arduino, https://github.com/esp8266/Arduino (version tested: 2.4.2);
+    1. WiFiManager library for Arduino, https://github.com/tzapu/WiFiManager (version tested: 0.14.0).
 
- If you have an ESP with an onboard button, such as Witty Cloud Development board, the program can be used out of the box. Otherwise you need to wire the button and update the GPIO number in the source.
+ If you have an ESP with an onboard button, such as Witty Cloud Development board, the program can be used out of the box. Otherwise you need to wire the button and update the GPIO number in the source code.