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Components

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  Big Dome Pushbutton - Blue...

  This is a Giga Sized Big Blue Button measuring 4" across! It can be illuminated or used without illumination. Press down and hear a satisfying 'click' and the 2 pins on the back will become connected.

  
  

  $9.90
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  Big Dome Pushbutton - Red...

  This is a Giga Sized Big Red Button measuring 4" across! It can be illuminated or used without illumination. Press down and hear a satisfying 'click' and the 2 pins on the back will become connected.

  
  

  $9.90
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  Micro Limit Switch with Roller

  This little switch is great for reading even the lightest touch. With a roller at the end of a long arm, this switch works great as a contact / limit switch. 

  
  

  $1.49
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  Piezo Element (Vibration / Knock...

  Use this Piezo Element to sense vibration such as a knock or jump or to produce sound.

  
  

  $1.45
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  4x4 16 Key Button Matrix Module...

  Use this 4x4 Button Matrix module to easily add 16 buttons to your projects! Nicely arranged and with only 8 pins to read all 16 button presses, this is a great way to add 16 user inputs in a single package. Arduino & Raspberry Pi compatible.

  
  

  $3.99
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  16 Port Expander: I2C MCP23017

  Add 16 more pins that are accessible using I2C easily with this chip. Arduino and Raspberry Pi Compatible

  
  

  $2.99
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  12V Voltage Regulator - 7812CV

  When you want to use batteries to power a 12V device, this voltage regulator does the trick.

  
  

  $1.99
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  Red Arcade Button SPST

  Sometimes you just want to press a red button. This simple Red Arcade Button is just what you need. Press the button and the 2 terminals get connected to complete your circuit.

  
  

  $1.45
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  Yellow & Blue OLED Module...

  Wire up this crisp 128x64 Yellow and Blue Organic LED Module for a small display with rich contrast. No soldering required.

  
  

  $12.90
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  FT232 Serial Module...

  Convert USB to Serial easily with this FT232 Serial Module. Plug one end into a USB port and the other to your Serial devices for easy communication.

  
  

  $7.99
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  1F 5.5V Super Capacitor

  This 1 farad Super Capacitor is used for holding a charge for hours of power. Slowly charge up to 5.5V and have it dissipate to provide power to your projects for hours!

  
  

  $2.99
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  ATmega328P Microcontroller IC

  This is a bare ATmega328P that's been loaded with the Arduino bootloader.

  
  

  $7.99
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