A list with a brief description of online resources that offer free electronic circuits
Two simple examples of how to use Ohms law
A tutorial for schematic drawing using Cadsoft Eagle
You don’t need fancy equipment to do SMD soldering at home. You can easily do it using a soldering iron. SMD stands for Surface Mount Device and is components that you solder on the surface of a circuit board. Let me guide you through how to do SMD soldering with a soldering iron.
How to desolder a solder joint that needs to be changed
Tips to minimize the chance of errors before PCB manufacturing