Tutorial sharing of connecting HC05 to Arduino

The HC-05 Bluetooth module is the go-to Bluetooth module for any Arduino project! It’s easy to connect and code in the Arduino IDE. In most projects, we usually connect the HC05 to the Arduino and use it to communicate wirelessly with other smart devices such as cell phones. Do you need to connect two HC-05s […]

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Build a low cost wifi repeater with NodeMCU

We are in the age of the Internet of Things (IoT)! Today, you can remotely control your home gadgets/devices like air conditioners, room heaters, water heaters, etc. from anywhere, and can easily build or buy off-the-shelf appliances. For every Wi-Fi based IoT enabled device, you need an internet connection, or you can say an uninterrupted […]

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Use ESP32-CAM to build a digital door lock system controlled by face ID

Security is the number one concern of everyone today, whether it’s data security or the security of one’s own home. With the advancement of technology and the increasing popularity of the Internet of Things, digital door locks have become very common these days. The digital lock does not require any physical key, but it uses […]

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