Monthly Archives: June 2010

Maxim One Wire DS1820 Test #2__1-Wire Parasite-Power Digital Thermometer


DS1820 is very old obsolete sensor. Its identical replacement sensor is DS18S20. But some how in our local market DS1820 is still available for cheap price. So I bought few of them to test Maxims One Wire Protocol.

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Homemade Hi Fi stereo theater system ( REPAIR )


After a long time of service, Its left channel power amplifire ( TDA2050 ) stopped working. I took some pics before I replace the part. The defective TDA2050. Some pics. Related Post – https://pasanmicroprojects.wordpress.com/2010/02/08/homemade-hi-fi-stereo-theater-system/

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Helicopter Big Bird Monster GYRO Steady Radio Controlled Long Range 2.4GHz


He he hee guys as you see in the photos its a pretty big bird. Little hard to fly. Because it very sensitive to remote controller actions. We have to be very precise. I am still practising. As soon as … Continue reading

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Helicopter Aluminum GYRO 3CH 19CM Super Stable


I bought a nice helicopter. Its really lovely to fly. Unbelievably Stable than older mini helicopters. This one is perfect for indoor flight. And its highly sensitive to wind movements. Its really really durable. Max range is 10 to 12 … Continue reading

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Aqua Green High Luminous HUGE LED Seven Segment


I got an order to make huge size high visibility clock for a advertising company. So I built this as a sample for them. Normally I hate LED things. But when it comes for seven segments, sign boards, High power LED … Continue reading

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