Abdalla Milad Faraj, Musbah Al-Mahdi Al-Jadi and Ahmed Saed Ishleebtah (2025) “Water Pressure Switch Design Using 555 Timer”, African Journal of Advanced Pure and Applied Sciences (AJAPAS), 4(1), pp. 70–77. Available at: https://www.aaasjournals.com/index.php/ajapas/article/view/1089 (Accessed: 5 December 2025).