Capacitor Choose-o-matic!

Years ago I built a simple tool so I could sample different capacitors in my guitar tone circuits to see which ones I liked best. It lets you hear several different types and values of capacitors, easily switching back and forth between them just by turning a knob!

In this video I show you how to build your own tester. There’s a complete list of parts and tools below, and also a download link for the full schematic & easy-to-follow build instructions.

Parts Required

Click the images for more details. Note: These are affiliate links, meaning if you make a purchase I receive a small commission at no extra cost to you. Read my Affiliate Disclaimer.

Project Box
Project Box
Terminal Block
Terminal Block (2)
Chicken Head Knob
Knob
Rotary Switch
Rotary Switch
Mini Toggle Switch
Mini Toggle Switch
LED
LED (6)
LED Bezel
LED Bezel (6)
Resistor 2.2k
Resistor 2.2K
9V Battery
9V Battery
Battery Snap
Battery Snap
Battery Mounting Clip
Battery Clip
Wire 24 Gauge
Wire 24 Gauge
Wire (Solid Core)
Wire (Solid Core)

Tools Required

Drill
Drill
Drill Bit
1/8″ Drill Bit
Step Drill
Step Drill
Solder Tip Cleaner
Solder Tip Cleaner
Solder Fume Fan
Solder Fume Fan
Wire Strippers
Wire Strippers
Wire Cutters
Wire Cutters
Long-nose Pliers
Long-nose Pliers
Solder
Solder
Multimeter
Multimeter
Soldering Station
Soldering Station

All these highlighted tools are available in one Electronics Kit

Electronics Kit
Electronics Kit

Tools (Optional)

These optional tools aren’t absolutely required but definitely come in very handy during the build.

Caliper
Caliper
Machinist Square
Machinist Square
Helping Hands
Helping Hands
Wire Bending Pliers
Wire Bending Pliers
Mike Potvin
Mike Potvin

Chief Sawdust Officer

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