Passive Components

US$1.67
This potentiometer is a two-in-one, good in a breadboard or with a panel. Its a fairly standard linear taper 10K ohm potentiometer, with a grippy shaft. Its smooth and easy to turn, but not so loose that it will shift on its own.
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US$3.42
A 0.1uF capacitor right next to the VCC pin of your chips will improve stability by filtering out power supply spikes and noise that can cause flaky behavior. We love these little guys, they have 0.1" spacing so fit into any perf or breadboard, compact and good quality.
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US$1.75
356 Adafruit Breadboard trim potentiometer - 10K They have a raised adjustment knob which is knurled and grippy, and with a 0.1" spacing, they plug into...
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US$7.23

This a 10 turn 2 watt solder lug panel mount potentiometer of 10Kohm.

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US$12.95
Mounting Style: Panel. Taper: Linear. Number of Turns: 1. Resistance: 20 Ohms. Element Type: Wirewound. Termination Style: Solder Lug. Power Rating: 5 Watts. Tolerance: 20%. Shaft Diameter0.236 in. Shaft Length0.335 in.
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US$10.49
Mounting Style: Panel. Taper: Linear. Number of Turns: 1. Resistance: 50 Ohms. Element Type: Wirewound. Termination Style: Solder Lug. Power Rating: 5 Watts. Tolerance: 20%. Shaft Diameter0.236 in. Shaft Length0.335 in.
Delivery within 2-3 weeks
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US$10.49
Mounting Style: Panel. Taper: Linear. Number of Turns: 1. Resistance: 100 Ohms. Element Type: Wirewound. Termination Style: Solder Lug. Power Rating: 5 Watts. Tolerance: 20%. Shaft Diameter0.236 in. Shaft Length0.335 in.
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US$10.49
Mounting Style: Panel. Taper: Linear. Number of Turns: 1. Resistance: 1K Ohms. Element Type: Wirewound. Termination Style: Solder Lug. Power Rating: 5 Watts. Tolerance: 20%. Shaft Diameter0.236 in. Shaft Length0.335 in. 
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US$10.49
Mounting Style: Panel. Taper: Linear. Number of Turns: 1. Resistance: 2K Ohms. Element Type: Wirewound. Termination Style: Solder Lug. Power Rating: 5 Watts. Tolerance: 20%. Shaft Diameter0.236 in. Shaft Length0.335 in.
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US$6.93
Yes you read that correctly - 10Farad capacitor. This small cap can be charged up and then slowly dissapated running an entire system for hours. Combine two in series for 5F/5V. Do not over voltage or reverse polarize these capacitors.
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US$6.31
Yes you read that correctly - 1 Farad capacitor. This small cap can be charged up and then slowly dissapated running an entire system for hours. Combine two in series for 0.5F/5V. Do not over voltage or reverse polarize these capacitors.
Delivery within 2-3 weeks
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US$0.39
This is a very common 0.1uF capacitor. Used on all sorts of applications to decouple ICs from power supplies. 0.1" spaced leads make this a perfect candidate for breadboarding and perf boarding. Rated at 50V.
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Minimum quantity for "COM-08375 Capacitor Ceramic 0.1uF" is 5.

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US$0.58
Electrolytic decoupling capacitors 1000uF/25V. These capacitors are great transient/surge suppressors and work well in high-voltage and audio applications. High quality radial electrolytic capacitors.
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Minimum quantity for "COM-08982 Electrolytic Decoupling Capacitors - 1000uF/25V" is 5.

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US$0.49
Electrolytic decoupling capacitors 100uF/25V. These capacitors are great transient/surge suppressors. Attach one between the power and ground of your project to ensure smooth power delivery. High quality radial electrolytic capacitors.
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Minimum quantity for "COM-00096 Electrolytic Decoupling Capacitors - 100uF/25V" is 5.

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US$0.63
Low-profile electrolytic decoupling capacitors 10uF/25V. These capacitors are great transient/surge suppressors and work well as charge pump caps for MAX232 circuits. High quality radial electrolytic capacitors.
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Minimum quantity for "COM-00523 Electrolytic Decoupling Capacitors - 10uF/25V" is 5.

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