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Smart Home using Tasmota ESP8266 NodeMCU Alexa controlled relay | IoT Project 2021

In this IoT project, I have explained how to make the smart home using Tasmota ESP8266 NodeMCU Alexa controlled relay to control appliances with Amazon Alexa and manual switches. You can monitor the real-time feedback and also control the relays manually from switches without the internet. And the most amazing part is I have used all FREE tools and you don't need any coding knowledge to make this voice control smart home system. $2 for 1-4 Layer PCBs, Get SMT Coupons: https://jlcpcb.com/RHS Download PCB Gerber file for this NodeMCU IoT based home automation project https://drive.google.com/uc?export=do... Visit the following website to get electronics components, modules at a very reasonable price https://utsource.net?source=YouTube During the IoT tutorial video, I have covered the following topics: 00:36 Control appliances with Tasmota Alexa using ESP8266 01:21 Control ESP8266 NodeMCU without internet. 02:01 Required Components for this ESP8266 IoT project. 02:23 Circuit diagram of ESP8266 Alexa home automation project. 03:56 Download the Tasmotizer & Tasmota release from Github. 04:32 Flash ESP8266 NodeMCU with Tasmota firmware. 05:39 How to set up Tasmota for ESP8266. 08:44 Tasmota Alexa integration. 09:33 Setup Amazon Alexa App to add Tasmota devices. 10:17 How to resolve Tasmota Alexa not working 10:32 Control relays with voice using Amazon Alexa App and buttons. Required Components for each room for this NodeMCU home automation 1. ESP8266 NodeMCU 1.0 2. 4-channel 5V SPDT Relay Module 3. Push Buttons or Switches 4. Amazon Echo Dot Amazon India Affiliate links: NodeMCU : https://amzn.to/3fJA4EG 4-channel 5V Relay Module : https://amzn.to/2BQ5Y3o Echo Dot Alexa(4th Gen) : https://amzn.to/3srCiPA Amazon United States Affiliate links: NodeMCU : https://amzn.to/2WoR2A2 4-channel 5V Relay Module : https://amzn.to/3r2HuJ4 Required Components for the NodeMCU control Relay Module PCB: 1. Relays 5v (SPDT) (4 no) 2. BC547 Transistors (4 no) 3. PC817 Optocuplors (4 no) 4. 510-ohm 0.25-watt Resistor (4 no) (R1 -- R4) 5. 1k 0.25-watt Resistors (5 no) (R5 -- R9) 6. LED 5-mm (5 no) 7. 1N4007 Diodes (5 no) (D1 -- D5) 8. Push Buttons (4 no) 9. Terminal Connectors 10. 5V DC supply Important Points: 1. You need an Alexa device like Echo Dot for this project. 2. For no device found error, restart the Echo Dot and try again. 3. The NodeMCU and Echo Dot must be connected with the same Wi-Fi. 4. The Boot will fail if the D3 (GPIO-0) (switch-2) and SD3 (switch-1) pins are connected with the ground during booting. 5. If you use Switch (latched), make sure the switch-1 and switch-2 should be OFF during the ESP8266 Boot. 6. Please take proper safety precautions while working with High Voltage. 7. All the tools used are open source and FREE. Important Links: Tasmota Firmware Download: http://ota.tasmota.com/tasmota/release/ Tasmotizer Download: https://github.com/tasmota/tasmotizer... __________________________________________________________ We need your support 🙏🏻 to make Tech StudyCell sustainable. Help my projects on Patreon:   / techstudycell   Feel free to donate any amount: https://paypal.me/sdaspay __________________________________________________________ During the Tasmota tutorial video, I have explained all the steps to make this NodeMCU ESP8266 smart home system with Tasmota to control the home appliances with and without the internet. I have also shown how to connect Amazon Alexa with Tasmota to control the relays with voice commands. So with this smart house project, without writing a single line code, you can convert any appliance to IoT devices and control them through the internet. Now you can just say "Alexa, turn on Light" to control the home appliances. #internetofthings #tasmota #alexa ------------------------------------------------------- Thanks For Watching... ✅ SUBSCRIBE ✅LIKE ✅SHARE ✅ COMMENTS Find out more such projects: https://iotcircuithub.com/ Facebook:   / techstudycell   Instagram:   / techstudycell   Telegram: https://t.me/techstudycell/ Twitter:   / techstudycell   ------------------------------------------------------- Other useful Internet of things projects: Latest NodeMCU projects playlist:    • NodeMCU Projects   Latest ESP32 projects playlist:    • ESP32 Projects   ESP32 Smart Home System with Amazon Alexa app & Manual Switches    • ESP32 Smart Home System with Amazon A...   Smart Home with Google Assistant & Alexa using NodeMCU ESP8266    • Smart Home with Google Assistant & Al...