Water detector circuit | ওয়াটার ডিটেক্টর This water detector circuit lights an LED when water stands in any surface. Don't let water stand. It is a habitat of aedes moquito and may cause dengue. Read More
Rain controlled pump with arduino | রেইন কন্ট্রোল্ড পাম্প This automatic pump control system turns of an irrigation pump when it rains. The system has an arduino, rain sensor and solid state relay . Read More