ESP32 Bluetooth Home Automation System with Manual Switch | ESP32 Projects 2021

In this ESP32 project, I have shown how to make an ESP32 Bluetooth home automation system with Manual Switch to control an 8-channel relay module without internet. With this smart home system, you can control 8 home appliances from your smartphone using Bluetooth and you can also control the appliances with manual switches or push buttons.

ESP32 microcontroller also has Bluetooth in it, so, I have made a Bluetooth App in MIT App Inventor for this ESP32 Bluetooth project. You can easily connect the Bluetooth App with ESP32 through Bluetooth and control relays from mobile.

Download Bluetooth App for the ESP32 Bluetooth project

**First you have to pair the ESP32 with Mobile Bluetooth, then connect ESP32 with this App. Please watch the complete video.

During the tutorial video, I have covered all the following topics:
00:11 How to control 8 relays using ESP32 with Bluetooth and switches.
02:10 Circuit diagram of this ESP32 Bluetooth Home Automation project.
02:37 Programming the ESP32 with Arduino IDE
07:47 Connect home appliances with the 8-channel relay module.
08:01 Install and connect the Bluetooth App with ESP32
09:05 Controlling 8 appliances with Bluetooth using the ESP32 control relays.

Required Components for this ESP32 home automation system
1. ESP32 DEV KIT V1
2. 8-channel 5V SPDT Relay Module
3. Switches or Push Buttons

Amazon India Affiliate links:

Amazon United States Affiliate links:

Download the Code for this ESP32 Bluetooth project from the following article.

During the video, I have explained all the steps for making this home automation device. Also explained the code for this ESP32 project and how to install the ESP32 board, BluetoothSerial library & AceButton library to program ESP32 using Arduino IDE.

In the upcoming video, I will make WiFi, Bluetooth & Manual Switches control relays using the ESP32 microcontroller.

#esp32 #smarthome
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[homepcq]

Nice....no feed back status and 2 buttons for for next part with WIFI, blue tooth and manual....

[exoticsonwheelz]

Hello there my friend
The first question is ——-> Would i be able to use the same layout and programming with 12v relays instead of the voltage you have in the video ??
The second question is —-> what app you suggest to use with [my iphone ] ios to use with wifi and another one with bluetooth to communicate with the ESP32 Thanks and btw your are a pro and wish you the best honestly

[sailingdev]

Good stuff, I'm using 16 relays with one ESP32 and works perfectly

[nsetiaji]

Sir, this is awesome. But where is the video you promised about home automation using Google home assistant without 3rd party broker. Thanks

[YourFriendlyGApilot]

Love the video. Does it extend to double pole double thrown (DPDT) switches?

[oussak]

Great...
Sir what's the name of component you used to supply ESP32 with 5v

[ahmetaltan]

Sir very nice.Next projects digital tone control with remote.Thank you so much.

[romycruz]

this is an excellent project. that's too many switches, maybe 4 switches will do and the other 4 will be for sensors, like intruder sensor, temperature sensor please. thanks.

[binisol]

its good, can i ask why theres a delay in the app relay control it seems to be toggling them on/off step by step?

[lodovicopasqualetto]

Nice, I always watch your videos, I would like to find a similar solution with switches with blynk, other videos that propose it do not work well

[bigraysmith]

Sir can make a separate video for How to make blutooth on off app on mit app inventor

[mayankpatel]

Please make a master video using Wi-Fi + BT + IR REMOTE + Manual Switch to control 8 or 16 channel relay by using stock relay module which is available in indian market.
Thanks to providing these types of automation video.🙏

[ryanleon]

perfect video but no have MIT inventor app code to share

[drelectronics]

Sir make esp 8266 based home automation which can be controlled when we are offline directly via mobile wifi to esp 8266 ...or have u made it already.???

[fhussainmomin]

SIR, .. GREAT PROJECT....
SIR, ... MAKE NEW PROJECT WITH ESP32 + BLYNK + IR REMOTE + BLUETOOTH + OFFLINE IP ADDRESS + SWITH AAD IN ONE PROJECT AND REAL TIME SHOW ..

[sridarshan.b]

Just awsome ! waiting for the next vedio wifi Blynk part.

[shivaraghav]

I can't explain how important your video content for me.... Thank u so much. My big support for u ..🙏

[jasen]

That’s cool 👍🏻 love the App can you please add an on/off timer so the lights can also operate by timer. 🙏

[voicebangla]

Do you have a changer without a disconnect
I mean in UPS mode
It is possible to create UPS mode

[osmina]

Hi, please creat, ESP 32 mutiple relay with manual switch project video for home assistans platform.