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2 Best Long Duration Timer Circuits Explained | Homemade
IntroductionCircuit DescriptionUsing only BJTsAchieving High Accuracy DelaysPlease remember that you can never produce long accurate delays using only a single 4060 IC or any CMOS IC. I have confirmed practically that beyond 4 hours IC 4060 begins deviating from its accuracy range 555 as a delay timer is even worse, it's almost impossible to get accurate delays even for an hour from this IC inaccuracy is mostly due to capacitor leakage current, and inefficient discharging of the capacitor bewarSee more on homemade-circuits
How to build 24 hours timer circuit with IC 4060
This timer works by means of inbuilt oscillator which was wired to produce a signal of specific frequency. When the oscillator is running the counter counts the number of oscillations and it is reflected in the output pins of the Integrated circuit 4060. RV1 a variable pot was used to alter the frequency of the oscillator, so we can control the
Simple Timer | Circuit Diagram
A simple timer circuit can be built by using only a single or two transistors. The figures below show different schematics of simple timer circuits, which can be built very easily with few general components. These circuits can be used for variety of timing purposes in electronic projects like time delay relay etc.

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