The purpose of the project is to simply identify and test the condition of digital IC if it is good or defective. An IC tester can be applied to any type of digital ICs. There are some provisions that ...

Testing for failure with a multimeter is only partially effective, whereas a dedicated optocoupler testing circuit provides clear results in just seconds. For related tutorials and step-by-step build ...

Printed-circuit boards used to be works of art, and the PCB designer was an artist as well as a technician. Components had many different shapes, sizes, and colors, and the traces connecting them were ...