Prototyping

SKU: AF-4570 | Brand: Adafruit

The Adafruit DS1841 is an I2C-controlled logarithmic digital potentiometer from Maxim with a resistance range of 3.7 kΩ to 22 kΩ across 128 tap points. Unlike linear potentiometers, the DS1841's logarithmic response c...

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

A bulk pack of 100 red 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 Red...

SKU: AF-4437 | Brand: Adafruit

This one's going out to all the makers and designers who use DIN railing in their builds. This adapter plate is perfect for simplifying complex wiring. You connect a 2x20 IDC cable to this very PCB, which ca...

SKU: SF-COM-09483 | Brand: SparkFun

A basic 4-digit 7-segment display in red. This common anode display features one decimal point per digit, plus individually controllable apostrophe and colon points — perfect for clocks, counters, and numeric readouts...

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: AF-5926 | Brand: Adafruit

MAJOR KEY ALERT 🔑🔑🔑 we now stock 'Key Lock Switches'! These are mechanical switches that don't use a button or a lever or a magnet to open and close the contacts. Instead, a literal key is used. This is a low cost bu...

SKU: AF-5410 | Brand: Adafruit

Have you ever seen a tactile button do a headstand? This little clicky button is like a circus (circuit circus?) performer, contorting itself so its legs stick up instead of down the way most are. We think these could...

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-15809 | Brand: SparkFun

The W25Q32FV (32M-bit) Serial Flash memory provides a storage solution for systems with limited space, pins, and power. This small SMD IC series offers flexibility and performance well beyond ordinary Serial Flash dev...

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: AF-1833 | Brand: Adafruit

This breakout board gives you easy access to all 5 pins of a USB Micro-B connector via standard 0.1" header pins. It's a simple way to add USB 5V power to a project, interface with a USB-capable microcontroller, or pr...

SKU: SF-COM-11409 | Brand: SparkFun

This 20mm 4-digit 7-segment display in white is a mid-size option — large enough to read from a distance but compact enough to fit in most enclosures. The common-cathode display features four 7-segment digits with one...

SKU: AF-3125 | Brand: Adafruit

Make your own custom DE-15 cable or DE-15 interface with ease, using this DE-15 Plug to Terminal Block Breakout. You get a nice solid PCB with a DE-15 plug and two strips of terminal blocks that you can use with st...

SKU: SF-DEV-10524 | Brand: SparkFun

The name says it all on this one. An ATmega328 in DIP package, pre-loaded with the Arduino Optiboot (Uno 16MHz) Bootloader. This will allow you to use Arduino code in your custom embedded project without having to ...

SKU: AF-2926 | Brand: Adafruit

The Terminal Block Breakout FeatherWing kit is like the Golden Eagle of prototyping FeatherWings (eg. majestic, powerful, good-looking). To start, you get a nice prototyping area underneath your Feather, wi...

SKU: AF-3417 | Brand: Adafruit

The FeatherWing Tripler lets you connect a Feather board to two FeatherWings side by side — no stacking headers needed. All three sets of pins are cross-connected, with dedicated GND and 3.3 V strips for easy power di...

SKU: AF-1935 | Brand: Adafruit

That's one tiny microphone! At about the size of a mature aphid, this wired Electret Microphone is perfect for your FONA. This microphone's very similar to our PCB-mount Elecret Microphone but is significantly sma...

SKU: AF-5993 | Brand: Adafruit

The Adafruit USB Type C Vertical Breakout (Downstream Connection) provides easy access to all the pins on a USB-C connector in a vertical orientation, ideal for breadboard use and enclosure mounting. Two 5.1K resistor...

SKU: AF-5927 | Brand: Adafruit

MAJOR KEY ALERT 🔑🔑🔑 we now stock 'Key Lock Switches'! These mechanical switches don't use a button, lever, or magnet to open and close the contacts. Instead, a literal key is used. This low-cost but effective key loc...