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 settings ...

蓝牙(Bluetooth)：是一种无线技术标准，可实现固定设备、移动设备和楼宇个人域网之间的短距离数据交换(使用2.4—2.485GHz的ISM波段的UHF无线电波)。蓝牙技术最初由电信巨头爱立信公司于1994年创制，当时是作为RS232数据线的替代方案， 蓝牙可连接多个设备，在与 ...

“Which came first, the chicken or the egg?” Don’t bother us with stupid questions, they both co-evolved into the forms that we now serve up in tasty sandwiches or omelets, respectively. “Which came ...

Student Mars Kapadia has created an awesome pair of smart glasses for his school science fair, complete with a transparent OLED display. The wearable smart glasses are controlled by an Arduino Nano ...