Components

SKU: AF-3910 | Brand: Adafruit

This peristaltic pump moves liquid by squeezing flexible silicone tubing with a rotating clover-pattern roller mechanism — the pump never directly contacts the fluid. This makes it well suited to food, beverage, garde...

SKU: PI-COM0301 | Brand: Pimoroni

A pack of 5 PN2222A NPN transistors in through-hole TO-92 packages. A versatile general-purpose transistor commonly used for switching and signal amplification in microcontroller projects — apply a small voltage to th...

SKU: PI-COM0215 | Brand: Pimoroni

The 74HC595 is an 8-bit serial-in, parallel-out shift register with a storage register and tri-state outputs. Clock in data serially and latch it to the output pins, freeing up I/O on your microcontroller. Multiple re...

SKU: PI-TEK004 | Brand: Pimoroni

A four pack of sewable, heart-shaped bright pink LEDs. The voltage (and hence current) supplied from LIR2032 rechargeable coin cell batteries may damage the Teknikio LED boards, so please ONLY USE CR...

SKU: LW-KO-1003 | Brand: Little Bird

Build and code 128 dazzling lights. Paint pictures, make animations, play with 16 million colours. Learn to code art, games, live data, weather apps, sports tickers and more. Perfect for beginners, expansive for exper...

SKU: SF-COM-14622 | Brand: SparkFun

An adjustable potentiometer can open up many interesting user interfaces. With this rotary potentiometer just turn the dial and the resistance changes. This potentiometer has a ¼" metal knurled shaft diameter, solder ...

SKU: AF-2142 | Brand: Adafruit

A compact 10-pin screw terminal block with 2.54mm (0.1") pitch, designed to fit directly into perfboard and protoboards. Terminal blocks provide reliable, tool-adjustable PCB-to-wire connections that are easy to maint...

SKU: AF-3951 | Brand: Adafruit

A 2×AA battery holder with a built-in knife switch for controlling power. Unlike typical slide switches, the knife switch provides a clear visual indicator of open and closed circuit states — making it an excellent to...

SKU: LB-00052 | Brand: Little Bird

This 1×2-pin crimp connector housing lets you quickly build custom two-wire cables that mate with standard 0.1" (2.54mm) spaced connectors. Pair it with pre-crimped terminal wires or crimp pins to create reliable, rem...

SKU: TB-SZ2043 | Brand: Little Bird

An inline mini blade fuse holder with an integrated failure indicator lamp that lights up when the fuse blows. This makes it easy to identify a blown fuse, especially in crowded or hard-to-reach wiring locations. The ...

SKU: AF-1051 | Brand: Adafruit

The Adafruit Small 1.2" 8×8 LED Matrix w/I2C Backpack in green combines a bright 8×8 LED matrix with a dedicated HT16K33 driver backpack, letting you add a compact display to any microcontroller project with just two ...

SKU: TB-SP0716 | Brand: Little Bird

A simple, reliable momentary pushbutton switch with a red actuator. Press to close the circuit, release to open — ideal for control panels, reset buttons, and general-purpose switching. Panel-mounts into a 6 mm round ...

SKU: PR-PIM244 | Brand: Little Bird

A starter pack of over 50 LEDs in three sizes and five colours, bundled with a selection of through-hole resistors. The current-limiting resistors protect the LEDs and let you control brightness — everything you need ...

SKU: TB-ZL3556 | Brand: Little Bird

The NE556 is a dual 555 timer IC in a single 14-pin DIP package, providing two independent timing circuits. Each timer operates identically to the standard NE555, supporting astable, monostable, and bistable modes. I...

SKU: TB-ZC4850 | Brand: Little Bird

A 74HC154 4-to-16 line decoder/demultiplexer IC in a through-hole DIP-24 package. This chip takes a 4-bit binary input and activates one of 16 mutually exclusive active-low outputs, making it useful for address decodi...

SKU: PI-COM1303 | Brand: Pimoroni

DC power jack/connector. This is a common barrel-type power jack for DC wall supplies. These have a 5.5mm jack, with a 2.1mm center pole diameter. Datasheets: Datasheet

SKU: AF-1270 | Brand: Adafruit

The Adafruit 1.2" 4-Digit 7-Segment Display with I2C Backpack in red makes it easy to add a large, bright numeric display to any microcontroller project. The backpack handles all LED multiplexing and driving via I2C, ...

SKU: PR-PIM301 | Brand: Little Bird

Button SHIM gives you five handy, physical buttons and an RGB status LED, and it's HAT and pHAT-compatible! Our SHIM-format boards are designed to slip neatly onto your Pi's GPIO pins and still allow you to use HAT...

SKU: AF-1391 | Brand: Adafruit

A compact 2-button keyfob RF transmitter operating at 315MHz. Each button sends a distinct command, corresponding to two of the four outputs on compatible 315MHz RF receiver modules. Effective range is up to approxima...

SKU: PI-COM0208 | Brand: Pimoroni

The NE556N is a dual timer IC containing two independent 555 timers in a single PDIP-14 package. Both timers share common power and ground pins but operate completely independently, making it ideal for circuits that n...