In the center of the breadboard you can see the cheap and ubiquitous HC-05 Bluetooth module. Having picked up ... If you’ve got an Android handset and an Arduino you start right here, then ...

The HC-05, a Bluetooth to serial bridge, can be found for around $5 on the internet and therefore may be the cheapest way to add Bluetooth connectivity to your project. However, its default ...

If like me you don’t fully enjoy hoovering your house, you may be interested in a new DIY Arduino robot vacuum ... attached to a HC-05 Bluetooth module enabling the robot to be controlled ...