Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi.

The Arduino Uno-compatible board has an MCS-51 (often called 8051 instead) instead of the usual ATmega328P/ATmega168. Specifically, [ElectroBoy] uses the AT89S52 .

The Arduino UNO R4 boasts a 3x performance increase over the UNO R3 and , in addition, SRAM has been upgraded from 2kB to 32kB, and flash memory from 32kB to 256kB to support more complex projects.

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 ...

To build this project, all you need is three main components: an Arduino Uno, a 16x2 LCD, and a push button. You can connect everything to a breadboard to keep it simple.

Build electronics projects great and small with the SainSmart UNO for Arduino, for under $55 May 21, 2017 - 5:33 pm ...

For the same price as an Arduino Uno, the Arduino/Genuino 101 offers Bluetooth, ... not otherwise learn microcontroller development will learn to program an Arduino for art and design projects.

Nordic Semiconductor has released a Bluetooth Smart software development kit (SDK) for Arduino-based projects, that is compatible with a range of Arduino, ChipKIT shields that employ the nRF8001 ...

The magic lies in Arduino's Modulino nodes, which consist of various sensors and actuators that connect to the UNO R4 WiFi board. The Plug and Make Kit is a complete package to get started. Inside ...