CD4001


Logic probe circuit ideas

Logic probe is useful tool to measure, in a check digital circuits. As a meter, which is used to measure power in electrical circuits. Logic probe was used for detection logic “1″ and “0″ or pulse in a digital circuit. It has a handle. At the head of a pin, for measuring different parts of […]


Many Logic probe circuit ideas.

Logic probe is useful tool to measure, in a check digital circuits. As a meter, which is used to measure power in electrical circuits. Logic probe was used for detection logic “1″ and “0″ or pulse in a digital circuit. It has a handle. At the head of a pin, for measuring different parts of […]


Many simple door buzzer sound circuits

Have you ever had a problem with the front door bell or not? Are, I am boring old buzzer. When used with directly AC line.Danger of leakage power in the heavy rain. And, doorbell quality is very expensive. I think we try to make yourself better, strange sounds a unique. Cheap equipments. And high performance. […]


Plant soil moisture meter and automatic controller circuit

I like planting trees, because trees are more useful to us. However, I always have problems with moisture content of soil,Each plant needs water is not as same. Watering or soil moisture is not good. May cause damage to our trees. With these problems, I think the electronic system to solve this problem. For example, […]