ive made a simple 555 timer circuit ,how far do I go up in ohms to get mins not secs on time
C chris76712 New Member Dec 1, 2013 #1 Dec 1, 2013 #1 ive made a simple 555 timer circuit ,how far do I go up in ohms to get mins not secs on time
George Moderator Dec 3, 2013 #2 Dec 3, 2013 #2 This is a great tool to calculate time in both Astable and Monostable circuits. http://clarkson-uk.com/555-timer/program.html
This is a great tool to calculate time in both Astable and Monostable circuits. http://clarkson-uk.com/555-timer/program.html
T Thala New Member May 7, 2017 #4 May 7, 2017 #4 Can someone help me? I am new to all electronic circuit. Only led number 6 light come on and off automatically. I used 3.3 micro farad 60 v capacitor on the circuit. Knidnght Rider circuit diagram above. Thank you Last edited: May 8, 2017
Can someone help me? I am new to all electronic circuit. Only led number 6 light come on and off automatically. I used 3.3 micro farad 60 v capacitor on the circuit. Knidnght Rider circuit diagram above. Thank you
F Fleck Member Apr 10, 2020 #5 Apr 10, 2020 #5 Have you put a power supply to the 4017 chip? Also a small capacitor across the power supply like 10nf
Have you put a power supply to the 4017 chip? Also a small capacitor across the power supply like 10nf