Use APKPure App
Get 555 Timer Project Free old version APK for Android
يوفر هذا التطبيق سبيل المثال من 555 دائرة الموقت
This application provide the circuit for 555 Timer IC .It can be use for student or engineer as an reference when use 555 Timer.Not just that it also can be combine with your electronic projects and circuits .This application do not need internet to working.Thank you