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

PWM may be used on pins 0 to 15. Call analogWrite(pin, 0) to disable PWM on the pin. Pin interrupts are supported through attachInterrupt, detachInterrupt functions. Interrupts may be attached to any ...

Connect the board to your desired circuit or device. Open the Arduino IDE software and navigate to the "Tools" menu. Select the appropriate board and port settings. Open the Serial Monitor by clicking ...

Setup is fairly simple with downloads for Linux, OS X, and Windows. This isn’t an ESP8266 shield, either: you can write code for the ESP module, connect the serial pins, and hit the program button.

Expansions Arduino UNO headers with Pins 14x digital I/Os 13x LED pins Analog – 6x analog input pin, 2x 12-bit analog DAC 6x PWM 1x UART, 1x I2C, 1x SPI CAN Bus support I/O Voltage – 5V and 3.3V (Not ...