Prototyping

SKU: LB-LR0289 | Brand: Little Bird

With the passive buzzer you can control the volume by PWM. A passive buzzer requires an AC signal to make a sound. It is like an electromagnetic speaker, where a changing input signal produces the sound, rather than...

SKU: EC-CIN3232RT | Brand: Elecrow

This module can be used to convert the RS232 voltage of PC to TTL voltage that used by microcontroller. Directly plug the DB9 connector your PC then you can communicate with the microcontrollers using the Serial port....

SKU: LB-LS3381-K | Brand: Little Bird

A 12 mm panel-mount momentary push button with a smooth dome-shaped cap in black, pre-wired with 20 cm red and black leads for easy connection. Normally open — pressing the button closes the contacts. Key Features ...

SKU: AF-5938 | Brand: Adafruit

A breakaway strip of 36 press-fit male pin headers at standard 2.54mm (0.1") pitch. These headers can be attached to PCBs without soldering — press them firmly into place using pliers for a friction-fit connection tha...

SKU: LB-LS3381-G | Brand: Little Bird

A 12 mm panel-mount momentary push button with a smooth dome-shaped cap in green, pre-wired with 20 cm red and black leads for easy connection. Normally open — pressing the button closes the contacts. Key Features ...

SKU: SF-COM-16473 | Brand: SparkFun

The classic 555 timer/oscillator IC from Texas Instruments — one of the most versatile and widely used integrated circuits in electronics. With just a few external resistors and capacitors, it can generate timing dela...

SKU: LB-LS3381-W | Brand: Little Bird

A 12 mm panel-mount momentary push button with a smooth dome-shaped cap in white, pre-wired with 20 cm red and black leads for easy connection. Normally open — pressing the button closes the contacts. Key Features ...

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: 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: 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: 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: 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-5978 | Brand: Adafruit

The Adafruit USB Type C Plug Breakout gives you easy access to the pins on a USB-C plug connector, making it simple to add a USB-C connection to your projects. A 5.1K resistor on the CC1 pin signals the upstream host ...

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...

SKU: SF-COM-18076 | Brand: SparkFun

The GD25Q40C is a 4 Mbit (512 KB) serial flash memory chip supporting standard, dual, and quad SPI interfaces. With clock speeds up to 120 MHz and quad I/O transfer rates reaching 480 Mbits/s, it provides fast non-vol...

SKU: SF-BOB-28467 | Brand: SparkFun

A simple breakout board that converts the 22-pin HSTX/camera/display connector to standard 0.1" through-hole pins. Perfect for prototyping and debugging when you need direct access to all the signals from your RP2350 ...

SKU: AF-5988 | Brand: Adafruit

The Adafruit RS-232 Full Pinout Level-Shifter Breakout lets you interface any 3.3 V microcontroller or single-board computer with RS-232 devices using all 8 data/flow-control signals. Built around the trusted TI MAX32...

SKU: AF-5929 | Brand: Adafruit

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

SKU: AF-3877 | Brand: Adafruit

A hex Schmitt-trigger inverter IC that doubles as a handy logic level shifter. The 74AHCT14 provides six independent inverter channels, each with Schmitt-trigger inputs for clean switching on noisy or slow-transitioni...