Selective timer alarm circuit using IC 4060 and IC 555 was given above. As we all know that the IC NE555 was a timer and oscillator but the IC1 CD4060 was a 14 stage binary counter with a built in…
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FM transmitter Circuit FM circuit holds a significant position in wireless communication.This circuit uses a single transistor transmit noise free FM signal to the distance of about 50-300 meters.The transmitted signal from the transmitter can be received by means a…
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This was a simple power failure alarm circuit and it can be widely used where indication during power failure was required. Most of the power supply failure alarm circuits requires a individual power supply for themselves in order to make…
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CD4011 is the most commonly used complementary metal oxide Semiconductor (CMOS) chip.The IC comprises of 14 pins with four independent NAND gates (N1,N2,N3,N3) in a single chip. Each NAND gate has two inputs and one output.The working of cd4011…
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This Infrared transmitter circuit was a simple low power IR transmitter and it can be used for many of the remote control applications.As we see many of the remote controllers uses IR waves for their controlling purpose.This circuit is capable…
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This Motor speed control circuit uses a IC LM2941CT which is a low drop out 1A voltage regulator.This regulator IC posses many cool features like power supply reverse protection, thermal protection, short circuit protection etc.The maximum output current IC can…
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The working of IC 555 is very important to be aware of since it is widely used in many applications. It is widely used for producing delays, square waves, activators and so on. The working of IC 555 is governed…
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