Links to the most popular posts.
Bluetooth modules. A brief look at some different Bluetooth modules
HC-06 and HC-05 Bluetooth
HC-05 and HC-06 zs-040 Bluetooth modules. First Look
HC-06 (ZS-040) Introduction
Arduino With HC-05 Bluetooth Module in Slave Mode
Arduino with HC-05 (ZS-040) Bluetooth module – AT MODE
Connecting 2 Arduinos by Bluetooth using a HC-05 and a HC-06: Easy Method Using CMODE
Connecting 2 Arduinos by Bluetooth using a HC-05 and a HC-06: Pair, Bind, and Link
FC-144 HC-05 and HC-06
Remote Control using Bluetooth and Android
Turning a LED on and off with an Arduino, a HC-06 and Android
Control an Arduino from an Android App. arduinoBTcontrol
Arduino To Arduino by Bluetooth
A good beginners guide to getting started with Bluetooth by Nick Pyner
Arduino + Visual Basic
ESP8266 and the Arduino IDE Using the Esp8266 with the Arduino IDE (Updated)
ESP8266-01 Programming Breakout Board. Includes 3.3 voltage regulator for power, voltage divider for RX and switches for reset and programming.
Basic connection guide. ESP8266 + serial adaptor
Arduino to ESP8266 By Serial Communication
Arduino & ESP8266 Webserver. An old example of a webserver using AT commands, can be done but very clunky and slow. Much better to now use the Arduino IDE.
Bare bones Arduino
Arduino, App inventor and Bluetooth
Turning a LED on and off part 1. Basic LED control.
Turning a LED on and off part 2.. Now with 2 way control.
Turning a LED on and off part 3. 2 way control with 3 LEDs with 3 switches
arduinoBTcontrol. Various controls and events
App inventor and Bluetooth