Abdalla Milad Faraj, Musbah Al-Mahdi Al-Jadi, Ahmed Saed Ishleebtah. Water Pressure Switch Design Using 555 Timer. AJAPAS [Internet]. 2025 Jan. 13 [cited 2025 Jan. 15];4(1):70-7. Available from: https://aaasjournals.com/index.php/ajapas/article/view/1089