News
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… ...
It then takes those button states and sends them out over UART with a HC-05 Bluetooth module. The controller is powered by a 330 mAh 3.7V battery, and a charging circuit allows for easily topping ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results