Tag Archives: 16F628A

5CH Relay Control Card


Preprogramed 5 Channel Relay control card   VIDEO – http://www.youtube.com/watch?v=FkoEcl2T6hw  

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LED Matrix Clock + RTC DS1307 – ( Testings are done )


This new Matrix Clock Project is all okay now. Currently working on a nice enclosure for this.   VIDEO – http://www.youtube.com/watch?v=OKSQbgfn7kM      

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Digital LED Matrix Clock Project using Holtek LED Drivers. ( Testing for errors )


I had these Holtek LED Drivers lying around for many years. So finally I have decided to make something out of it. I hope to post this as a FREE project for all of my fans. I’ll upload the schematics, … Continue reading

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Accurate 2 Channel ON / OFF / PAUSE Digital Timer Module


Functionality – Channel 1 ON for 5 Minutes and 20 Seconds then BOTH relays are OFF for 36 Seconds then again Channel 2 ON for 6 Minutes and 30 seconds. Max. Current for each Channel: 20A

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Ultra Fire High Power Energy Saving Bulbs for Homes and Office use.


I’ll add more detailed informations about these Ultra Fire LED bulbs soon…

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8 SSD Digital Clock with 1/10th and 1/100th seconds


Another clock of mine. This clock is still under test. I am using only the main crystal. No RTCs used here. But the timing accuracy is so far so good.                     … Continue reading

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Digital Timer Controller for a Factory.


Today I have installed my new timer controller to my client’s factory. This timer controller is for a compound mixer machine. It’s very successful project. Furthermore developments are 1) Show the values at some remote locations. 2) Update a log … Continue reading

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