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

Based on a Nordic Semiconductor 32-bit ARM system-on-chip that has built-in support for Bluetooth 4.0, the RFduino runs the same code as Arduino UNO and DUE boards, and it works with any type of ...

Any basic ESP32 will do as most of them support Bluetooth Low Energy, with notable exceptions being the ESP32-S2 and the ESP32-P4. You can add it on to an existing set up, or repurpose an older ...

The Arduino gets the fuel consumption readings from a Microstream OF05ZAT fuel flow sensor. The Arduino processes the data and then transmits it to a smart phone via a Bluetooth module.

Features of the LightBlue Bean+ Bluetooth Arduino Micro-Controller include : – 3-axis accelerometer – Temperature sensor – RGB LED – 3.7V 600mAh LiPo battery – ATmega 328p @ 8 MHz clock ...

Check out a new post on the Arduino blog, showing how to build your own Bluetooth Smart thermometer, based on a Genuino 101, a digital temperature sensor and smartphone app. In terms of components, ...

The watch is built around an Arduino Pro Mini, a scavenged Nokia LCD, and a BlueSMiRF Gold. The Bluetooth connects to a Nokia N900 with a little Bluetooth client app [Ahmet] wrote.