- A breadboard
- A soldering iron or station
- Your components
- A power supply for active components (it could be a battery).
With your equipment ready and parts delivered you can start putting your filter together. Check against your schematic making sure nothing is wired up incorrectly. Breadboards can be useful to test if the circuit works before you solder it. If you are not confident soldering you should first practice using some cheaper kits/components until you get the hang of it. You may damage your components otherwise. Don't be disheartened if the circuit doesn't work after building it. You will learn more by finding out why it's not working.
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