Our device will create hotspot. User have to connect it with mobile. One page will open on mobile, there is button’s to control device’s. Also watch below video.
Building a home automation system using an ESP8266-01, a relay module, and an access point to control 3 devices is definitely achievable! Here’s a breakdown of the key steps involved:
Hardware:
- ESP8266-01: This Wi-Fi module will connect to your access point and act as the brains of your system.
- Relay module: Choose one with at least 3 channels, capable of handling the power requirements of your devices. Ensure proper isolation between input and output sides for safety.
- Power supply: Provide adequate power for both the ESP8266 and the relay module.
- Jumper wires: Connect the ESP8266 to the relay module and power supply.
- Devices to control: Lights, fans, appliances, etc., depending on your needs.
- Access point: An existing Wi-Fi network to connect the ESP8266.
Software:
- Arduino IDE or similar: Used for programming the ESP8266 with the desired control logic.
- Web server libraries (optional): Enable control through a web interface accessible on your phone or computer.
- Mobile apps (optional): Create custom apps for convenient control on the go.
Steps:
- Connect the hardware: Follow the specific module instructions to connect the ESP8266, relay module, power supply, and devices.
- Program the ESP8266: Write code to define the control logic for each relay channel. This can involve receiving commands from a web server, mobile app, or specific triggers like button presses.
- Optional web server: Set up a web server on the ESP8266 to allow control through a web interface. Libraries like ESPAsyncWebServer can simplify this.
- Optional mobile app: Develop a mobile app to send control commands to the ESP8266. This can be done using platforms like Blynk or MIT App Inventor.
- Test and refine: Thoroughly test your system to ensure safe and reliable operation. Adjust the code and connections as needed.
Safety:
- Always prioritize safety when working with electrical components. Ensure proper insulation and grounding to avoid any risks.
- Double-check the power ratings of your devices and relay module to avoid overloading.
- Consider using fuses and surge protection for additional safety measures.
Remember, this is a general overview, and specific details may vary depending on your chosen hardware and desired functionalities. Feel free to ask if you have further questions or need specific guidance on any step!
Below you can find circuit diagram, part list & working video.
Design Title | Home Automation 2 Channel | |||
Author | arduinoproject.in | |||
Document Number | 1.00 | |||
Revision | none | |||
Design Created | 11 December 2022 | |||
Design Last Modified | 09 February 2024 | |||
Category | Quantity | References | Value | |
Capacitors | 1 | C1 | 100nF | |
Capacitors | 1 | C2 | 470uF | |
Capacitors | 1 | C3 | 1000uF/25v | |
Resistors | 1 | R1 | 470R | |
Resistors | 2 | R2,R8 | 270R | |
Resistors | 7 | R3-R7,R9-R10 | 1k | |
Integrated Circuits | 1 | U1 | ESP8266-01 | |
Integrated Circuits | 1 | U2 | LM317T | |
Transistors | 2 | Q1-Q2 | BC547 | |
Diodes | 4 | D1-D4 | 1N4007 | |
Diodes | 2 | D5,D7 | 1N4148 | |
Diodes | 3 | D6,D8-D9 | LED | |
Miscellaneous | 1 | J1 | CONN-SIL5 | |
Miscellaneous | 3 | J2-J4 | CONN-SIL2 | |
Miscellaneous | 2 | J5-J6 | CONN-SIL3 | |
Miscellaneous | 2 | RL1-RL2 | QUAZ-SH-112D | |
Misc. | 2 | Lamp with Holder | 220V AC |
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