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PCB Etching Machine. Save money and time....
As you can see from the picture. This is my DIY etching machine. I constructed this etching machine almost 10 years ago(1998)... Following step is the construction detail..... Enjoy...By:...
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1 Cell LiPo / Li-ion Battery Charger CC&CV
Hi there. I would like to show you guys the smallest and simplest single cell Li-Ion & LiPo battery charger pack with all the necessary functions. Detail as follow. Description from its spec. The...
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Diy timer switch !!!
As you can see from the picture below. Its a simple diy timer switch. Most of the part salvage from a discarded fan. I will show you steps and building material needed to build this timer. It can be...
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Low Ohmic Resistance Meter With INA219 Current Sensor
This is a low cost milliohm meter which can be put together by using 2X INA219 current sensor, Arduino nano, 2X16 LCD display, 150 Ohms load resistor and simple arduino code which the library can be...
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