Comments on: Wailing Siren using 555 Timer – Hobby Project https://electrosome.com/wailing-siren-555-timer-circuit/ You Inspire.....We Create..... Tue, 18 Dec 2018 04:54:45 +0000 hourly 1 https://wordpress.org/?v=6.1.1 By: Debraj Das https://electrosome.com/wailing-siren-555-timer-circuit/#comments/7216 Tue, 18 Dec 2018 04:54:45 +0000 https://electrosome.com/?p=13919#comment-7216 u have mentioned that the 555 is working in astable mode as per your circuit. Then without any connection to pin7 of 555, how come the capacitor C3 discharges ? Please explain,I am confused.

]]>