Build Instructions

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• 1

  Step 1

  What will we need?
  

  1. A smartphone, Android (3.1.x Version or higher) or iPhone iOS 6.1 (or higher).
  2. An ESP8266 module version 512KB flash (or higher). This article will cover the ESP8266-12 version
  3. A USB-Serial converter to program ESP. I have used the “FT232RL FTDI 3.3V 5.5V USB to TTL Serial Adapter”
  4. PCB adapter for ESP
  5. 3.3/5V powering unit. I have used the YwRobot module
  6. A relay module. For this article I have used version I had close at hand i.e. YwRobot 4 relay.
  7. 12V charger.
  8. Two (2) LED diodes, one of which must be RGB
  9. Two (2) micro-switches
  10. One (1) transistor. I have used BC547.
  11. Three (3) 100R resistors.
  12. Two (2) 10K resistors.
  13. One (1) breadboard.
  14. Connecting wiring.
  15. Piece of a thin wire.

  Do not forget to connect the ESP module TXD pin to the USB-Serial converter RXD pin, and the ESP module RXD pin to the USB-Serial converter TXD pin. “IN1” must be connected to the relay module.

  
  
• 2

  Step 2

  Solder the ESP8266-12 module to the PCB adapter

  
  
• 3

  Step 3

  With a thin wire make hookups for easier module pin connections.

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