Prototyping

SKU: AF-2831 | Brand: Adafruit

This Photo Transistor Light Sensor is a simple sensor that detects ambient light. It's kind of the opposite of an LED - when light hits the little chip inside, it induces current to flow from the long pin...

SKU: SF-SEN-10293 | Brand: SparkFun

A simple piezo element that can be used as both a sensor and a small audio transducer. When flexed or tapped, it generates a voltage that can be read by a microcontroller, making it ideal for knock and vibration detec...

SKU: SF-COM-09117 | Brand: SparkFun

This is a 12-step rotary encoder with a nice ‘clicking’ feel. It’s breadboard friendly, and has a pretty handy select switch (by pushing in on the knob). The encoder is different from a potentiometer in that an enc...

SKU: AF-161 | Brand: Adafruit

CdS cells are little light sensors. As the squiggly face is exposed to more light, the resistance goes down. When its light, the resistance is about 5-10KΩ, when dark it goes up to 200KΩ. To use, connect one side o...

SKU: AF-377 | Brand: Adafruit

This high-quality 24-pulse rotary encoder features detented rotation with a satisfying click at each step, a built-in push-button switch, and a panel-mount design. It comes with a soft-touch knob with an arrow indicat...

SKU: AF-2765 | Brand: Adafruit

The Mini 2-Axis Analog Thumbstick is a compact, self-centring joystick with a black rocker cap, similar in style to PSP joysticks. It provides smooth directional analogue input using two 10 kΩ potentiometers — one for...

SKU: AF-4899 | Brand: Adafruit

The Adafruit SPI Flash SD Card breakout features an XTSD 512 MB chip — an SD card in an SMT package that you can wire up like standard SPI flash but use with existing SD card libraries. It comes pre-formatted as a 512...

SKU: LB-WHITE-100 | Brand: Little Bird

A bulk pack of 100 white 5mm through-hole LEDs. These standard LEDs are ideal for power indicators, status lights, and general-purpose projects. Key Features 5mm Diameter – Standard size for breadboards and PCBs W...

SKU: LB-LS1177 | Brand: Little Bird

Laser Detector Module Want to set up your own laser tripwire? These little modules make it super simple. Just hook one up to your Arduino, line it up with a laser pointer, and you’ve got a working laser detection syst...

SKU: DF-SEN0511 | Brand: DFRobot

This waterproof DS18B20 digital temperature sensor delivers accurate readings over a simple 1-Wire interface, requiring just a single data pin on your microcontroller. The sealed probe and silicone lead wire make it i...

SKU: SF-COM-15141 | Brand: SparkFun

Rotary encoders can be used similarly to potentiometers. The difference being that an encoder has full rotation without limits (It just goes round and round). They output gray code so that you can tell how much and in...

SKU: SF-COM-14624 | Brand: SparkFun

A panel-mount rotary potentiometer with a 100 kΩ logarithmic taper. Turn the knob and the resistance changes smoothly — ideal for volume controls and other audio applications where a logarithmic response matches human...

SKU: DF-FIT0908 | Brand: DFRobot

This kit includes two kinds of mini multi-color block building breadboards and 2 base plates of different sizes. Users can freely assemble these breadboards to make various projects combining with other microcontrolle...

SKU: EF-EF04038 | Brand: ElecFreaks

Octopus Electronic Bricks, you can use them build electronics projects just as easy as piling bricks. By using Octopus electronic bricks, you may connect Arduino/Freaduino compatible boards easily with various digi...

SKU: SF-COM-11102 | Brand: SparkFun

This 1024 pulse per rotation rotary encoder outputs gray code which you can interpret using a microcontroller and find out which direction the shaft is turning and by how much. This allows you to add feedback to motor...

SKU: AF-3103 | Brand: Adafruit

Sometimes a simple analog control device can be the perfect tactile solution for your project, but they can be surprisingly hard to come by. Luckily we've found a low cost, quality PSP 3000 2-Axis Analog Thumb...