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 setting… ...

Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — ...

The Arduino, Bluetooth module (check your specs, some HC-05, and HC-06 may come on a breakout board expecting 5V), and USB Host shield all run off of 3.3V, but devices you want to plug into the ...

Posted in Arduino Hacks, Wireless Hacks Tagged bluetooth, hc-05, jy-mcu, program ← Backlit PCB Panel As Wall Art Electric BMX Has Pedals That Can’t Be Pedalled → ...