Learn how to use resistor for your electronics projects. In our guides you can find various tips and tricks on how to use resistors. Color Code On Resistors Ballast Resistor: The Unsung Hero of Circuit Stability Transistor vs Resistor: What’s the Difference? What is a Variable Resistor Resistor vs Fuse: What’s the Difference? What Is a Resistor? Symbol, Types, Unit, Applications BACK TO HOME