Slide Sensor

Phát hiện bề mặt sử dụng gia tốc và độ rung cảm biến điện thoại di động

Detect surface using accelerometer and vibration of mobile sensors. Application alow to test what kind of surface is on botton of phone. Is this surface is safty to leave phone when it ring by vibration.In some words, application allow to test friction between phone and material, where is phone lie. It's some kind of virtual sensor. Sensors in your cellphone are powerful.