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Posts tagged CD74HC4017N

Led Strobe

6v led strobe circuit using CD74HC4017 and MM74C14 6v led strobe circuit using CD74HC4017 and MM74C14 Led Strobe 1 IC1 MC14584BCP IC2 CD74HC4017N T1 2N3904 or 2N4401 NPN transistor 8 D1 to D8 1N4148 or 1N914 Diodes 10 LEDs Blue, green or white Ultra-Bright LEDs with Vf = 3.2V or less at 20mA 1 R1 […]

why should be improved DDR2 memory to DDR3

DDR3 offers a substantial performance improvement over previous DDR2 memory systems New DDR3 features all transparently implemented in the memory controller, improve the signal integrity characteristics of DDR3 designs soo that higher performance is achieved without an undue burden for the system designer. If proper consideration is given to any new DDR2 memory design it […]

IR Sensor Module

IR Sensor Module for human body detection IR Sensor Module for human body detection

Circuit can be used for multiple Camera – Switch to monitor

Circuit can be used for multiple cameras with one monitor. The circuit can be operated manually or automatically. When operated automatically the switch will be connected to the output of 555 astable multivibrator that will send a continous square wave in the 4017 counter. When counter is running, the 5 transistor will switch one by […]

audio power amp design

audio power amp design audio power amp design using KA22135 audio power amp design audio power amp design

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