12/27/2012

PC817 High Density Mounting Type Photocoupler

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An optical isolator is known as a device which enables transmission of an electric signal by making use of the signals induced by light....
12/26/2012

Recharge a 9V NiMh battery with a Solar Panel / Constant Current Generator LM317LZ

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  If you enjoyed the previous post solar-powered Arduino board, you should keep reading this one as well to improve your solar power generat...
12/25/2012

The CA3046 was pure simplicity

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When you learn about making things like amplifiers in EE class, you learn about how important it is to have matched pairs of transistors. ...
12/24/2012

Best DC power supply 3Amp LM317T

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There is the high quality power supply to provide high current 3A. And still adjust voltage in steps from 3V, 6V, 9V, 12V. adjust voltag...
12/23/2012

12V Low side and High side PWM Motor/Light Controller IRFZ48N

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    Here these two schematics are variations on addition PWM circuit that I designed. The diagrams are for 12V operation alone an...
12/20/2012

Remote Control by using RF remote control Encoder and Decoder PT2272

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RF Modules are used wireless transfer data and low cost application . This makes them suitable for remote control applications, as in wher...
12/19/2012

VENDOR chip data sources offer PDF | IPSec and NAT compatibility analysis and solutions

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Network security protocol IPSec (IP Security) and TLP181 datasheet and Network Address Translation NAT (Network Address Translation...