Although Ferric Chloride, Nitric Acid and Ammonium Persulfate are easy enough to obtain, the following video shows alternative ways to etch printed circuit boards.
An Oscilloscope is a very useful piece of test equipment to have if you are working on electronic circuits or equipment. It can be used to find problems or check that everything is working correctly. For example, making sure the filtering in a DC power supply is filtering the output correctly or checking the output […]
Well I finally built an LED cube. It is 3*3*3 so requires 27 LEDs total. It took me around an hour to build and is pretty awesome but when I get some more LEDs I’ll build a larger one. So if you want to build one you will need… * 27 LEDs * Soldering iron […]
Below you will see the first circuit based on a 74HC595N shift register. It controls eight green LEDs which sweep back and forth in sequence. This would normally require eight outputs from the arduino but with the 74HC595N, only requires three. Digital pin two provides data to the shift register, pin three provides the latching […]