50 Pieces MFR3-68RFC Through-Hole Resistor, MFR Series, 68 Ohm, 400 mW, ±1%, 200 V, Axial Leads 68R 0.5W

Description

Tutorial: How to Use the MFR3-68RFC Through Hole Resistor

The MFR3-68RFC through hole resistor of 68 ohms is a fundamental component for those learning electronics. It is used to limit electrical currents in circuits, making it essential for both Arduino projects and custom schematics.

What you need

• Arduino Uno
• Digital Multimeter
• Soldering Iron

Steps

1. Install the resistor on your PCB or test board.
2. Check the resistance with a multimeter in ohmmeter mode.
3. Connect the axial conductors to the circuit via soldering.
4. Verify that there are no short circuits using a multimeter.
5. Test the functionality of the complete circuit.

Mini project

Create a simple dimmer for an LED bulb using Arduino and the MFR3-68RFC resistor. Adjust the brightness of the LED by varying the current intensity.

Common mistakes

• Using an incorrect resistor value.
• Not verifying the resistance before use.
• Faulty soldering or short-circuited conductors.

Recommended accessories

• Arduino Uno
• Variable LEDs
• Breadboard

Frequently asked questions

What is the maximum power of the resistor?
Check the datasheet, but generally it is 400 mW.

How do you connect an axial conductor to a circuit?
Using a soldering iron and a PCB or breadboard.