Скачать или смотреть Continuity Tester Circuit | 555 Timer Circuits | Electronics Projects

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❖ Description ❖
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In this tutorial, we will look at How to make "Continuity Testing Circuit using 555 timer" Step by Step completely

555 timer IC is an Integrated Circuit that can be used for so many different types of applications like Timer, Pulse generation, Oscillator, a Memory element, etc.

In electronics and electrical systems, faults are very common. The most commonly appearing fault is due to discontinued connection or open circuit. To rectify such kind of faults, one could go through all the lines to identify the fault itself. Though, this method fault search is generally replaced by continuity testing equipment. There are many ways of open circuit testing or fault identification. There are many circuits and designs for continuity testing. [Also check: Broken wire detector circuit]

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❖ Hardware Required ❖
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+5 to +9 supply voltage
555 Timer IC
1KΩ (x2), 10KΩ and 100Ω resistors
104 (100 nF) capacitor
Speaker (8Ω)
2N3906 PNP, 2N3904 NPN transistor
Testing probes

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