

Control your device using Micro-controller 89c2051 and Bluetooth Module HC-05
This is a simple Android Bluetooth Remote Controlled Relay Project using 89c2051 Micro-controller and HC-05 Bluetooth Module. You can control relay to switch ON/OFF device like Light, Fan etc.
You can download circuit and hex file here http://www.hobbyprojects.com/bluetooth-device-control/
Instructions:
1. First make sure your HC-05 Bluetooth Module is paired with your mobile. The default password for pairing is "1234" or "0000". Check the manual of Bluetooth module.
2. When you press ON button it sends the data "A" to Bluetooth Module connected with a circuit. Micro-controller turns ON the relay when it detects "A"
3. When you press OFF button it sends the data "a" to Bluetooth Module connected with a circuit. Micro-controller turns OFF the relay when it detects "a"
4. For voice command click on Mic. icon and speak "ON" or "OFF" to turn ON/OFF device (it needs Wifi or Data Connection)
Get free Primogems, Mora, Experience, and more with these November 2024 Genshin Impact codes, 5.1 livestream codes, and find out how to redeem active codes.
If you are bored with playing the vanilla version of Metaphor ReFantazio, you can check out these five mods.
Struggling with your submissions for Roblox's The Haunt event in 2024? Check out our guide on using Dress to Impress to create your captures!
Our walkthrough for Dragon Age: The Veilguard with some handy tips and tricks, with guides for puzzles, bosses, companions, equipment, romance, and more!
Which faction should you pick in Dragon Age: The Veilguard?
Looking for some bonus resources in Sea of Conquest: Pirate War? We’ve got you covered with these codes for the latest seafaring freebies.
On our website, you can easily download the latest version of Bluetooth Relay ON/OFF Project! No registration and SMS required!