There’s a CdS sensor and a TSL230R Lux sensor for that. An op-amp circuit can measure the sound level in the room via one of the Arduino’s ADC pins. And finally, an RTC board is used for time ...

What happens when an engineer builds a smart garden? This Arduino-powered system automates watering while collecting ...

The hardware is consists of an Arduino microcontroller (here an Arduino Uno R3) and a pre-wired soil moisture sensor module. The soil moisture sensor module , built around the LM393 comparator, gives ...

This articles describes how you can use I2C (TWI) communication, Arduino and temperature sensors to measure 3 different temperatures. It can be very helpful when you want to measure the outside, ...

The Arduino 101 equipped with Intel's Curie module integrates a 6-axis gyro/accelerometer and Bluetooth, which sets it apart from the rest of the Arduino line up. What the heck is an Arduino?