This project has researched and built Automatic Urinal Flusher. It was built with materials that can find to buy it in Thailand and it has low cost and can be actually work. By this project use IC555 which is the basic IC used in marking timer to obtain period to flush by connected to the resistance and capacitor in circuit. Which is an infrared sensor that is used to flush urinal actually the first time out after that, if then the sensor can not detect signal from user it will be the second flush came out to clean. Stable in using with 980 bath