Then connect the CP2102 Module to our PC for programming. Connect the ESP-01 module with the CP2102 USB-TTL converter module as per the table below.Īfter successful completion of the connection above, the circuit should look something like below: The figure below shows the pinout diagram of a CP2102 USB-TTL converter. GPIO2: This is a General purpose Input/output pin. One is as General purpose Input/output and other is to enable Programming mode of ESP-01 RESET: It is used to reset the Module and it is an active LOW pin.ĬH_PD: It is the chip enable pin which is an active HIGH pin. VCC: Power supply pin of ESP-01 which can be supplied with 3.3V DC You can learn more about the ESP-01 Wi-Fi transceiver and its programming using Arduino IDE by following the link. It comes with a pre-installed AT firmware, hence we can program it using Arduino IDE. This module is a self-contained system on a chip (SOC) that can act like a small computer. The ESP8266 ESP-01 is a Wi-Fi module that is very popular in designing IoT applications and it is used to allow microcontrollers like Arduino UNO to connect with the internet. Here in my case, I have used a CP2102 module and the steps for doing this are explained below. Here ESP-01 is programmed using a CP2102 USB-TTL converter it can also be programmed using an Arduino UNO board. Programming ESP-01 Module using CP2102 USB-TTL Converter: After this tutorial, you will be able to control any appliance though Alexa. Here we will use Arduino UNO and an ESP8266-01 Wi-Fi module to connect Echo dot speaker with AC appliances. Here in this tutorial we will use a Real Amazon Echo dot speaker and create a custom skill to control AC home appliances like lights, Fans, TVs, Sockets using an Amazon Echo dot Speaker. Home automation has become very common now days and people are using IoT to automate everything in their home. We previously built our own Smart speaker using Raspberry Pi and Alexa, and also controlled home appliances using this Raspberry Pi smart speaker. Smart speakers like Amazon Echo or Google home are getting popular now days and both have capability to integrate custom skill or action to control any appliance using those Smart speaker.
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