Compare the top smart sprinkler systems for your lawn and garden. Decrease water use and remotely monitor and control zones from your Android or iOS phone using Wifi or Ethernet Connectivity.
RFID is a great technology, has may uses and become very cheap and easy to implement these days. This tutorial describes how to interface a RFID Reader with a common Atmel AVR MCU.
Gree Online Available in different designs and aspects, the air conditioners are a cheaper option to installing the highly expensive central cooling system. An air conditioner allows you to control the surrounding temperature.
This sensor module has 8 IR LED/phototransistor pairs mounted on a 0.375" pitch, making it a great detector for a line-following robot. Pairs of LEDs are arranged in series to halve current consumption, and a MOSFET allows the LEDs to be turned off for additional sensing or power-savings options. Each sensor provides a separate digital I/O-measurable output.
