Comments on: Kitchen Security Alarm Using MQ2 Sensor https://www.electronicsforu.com/electronics-projects/kitchen-security-alarm Electronics For U | Circuits, News & Mini Projects Wed, 07 Aug 2024 08:12:02 +0000 hourly 1 https://wordpress.org/?v=6.8.1 By: EFY Bureau https://www.electronicsforu.com/electronics-projects/kitchen-security-alarm#comment-344471 Fri, 11 Aug 2023 05:03:49 +0000 https://www.electronicsforu.com/?p=119820#comment-344471 In reply to mitsos.

Hi, the link is corrected.

]]> By: mitsos https://www.electronicsforu.com/electronics-projects/kitchen-security-alarm#comment-344470 Thu, 10 Aug 2023 16:47:25 +0000 https://www.electronicsforu.com/?p=119820#comment-344470 Dear Sirs,

please can you correct the link for PCB and Component Layout PDFs?
It seems to be broken.

]]> By: mit41301 https://www.electronicsforu.com/electronics-projects/kitchen-security-alarm#comment-344396 Tue, 06 Jun 2023 10:06:16 +0000 https://www.electronicsforu.com/?p=119820#comment-344396 Sir,
Can we use Op-amp Monostable Circuit using LM358 instead of NE555?

]]> By: mit41301 https://www.electronicsforu.com/electronics-projects/kitchen-security-alarm#comment-344394 Tue, 06 Jun 2023 06:51:16 +0000 https://www.electronicsforu.com/?p=119820#comment-344394 Sir,
Thank you very much for the simple, lifesaving, accident and disaster prevention circuit.
Can we use single opamp instead of dual opamp?
Shall we keep the unused opamp inputs floating?

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