https://www.bent-tronics.com/2018/10/four-biggest-555-timer-circuit-mistakes.html Get Bent! Sat, 06 Aug 2022 16:14:35 +0000 hourly 1 https://wordpress.org/?v=6.7.2 https://www.bent-tronics.com/2018/10/four-biggest-555-timer-circuit-mistakes.html#comment-1701 Sat, 06 Aug 2022 16:14:35 +0000 #comment-1701 Another mistake is thinking the supply decoupling capacitor is optional!
The 555 draws a lot of current during switching and to prevent problems
you MUST put a big capacitor across the supply rails. Something like
47uf to 100uF.

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