Circuitry Accessories

SKU: AF-653 | Brand: Adafruit

This sewable CR2032 battery holder makes it easy to add power to wearable electronics projects. Two small 1mm holes in the metal connection tabs are perfectly sized for a #5 or smaller needle to pass through, so you c...

SKU: AF-3314 | Brand: Adafruit

This is a cute half-size breadboard with an assortment of small jumper wires, great for prototyping. Breadboard is 2.2" x 3.4" (5.5 cm x 8.5 cm) with a standard double-strip in the middle and two power rails on ...

SKU: SF-PRT-09925 | Brand: SparkFun

This 2xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is secured with a small Phillips head screw. Another bonus is the ON/OFF ...

SKU: SF-PRT-09835 | Brand: SparkFun

This is a simple 4 cell AA battery holder. The 5 inch cable is terminated with a standard 5.5x2.1mm, center positive barrel jack connector. The connector mates with the barrel jack on the Arduino (among a numbe...

SKU: AF-824 | Brand: Adafruit

Handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 12" (300mm) long and come in a 'strip' of 40 (4 pieces of each of ten rainbow colors). They have 0.1" male he...

SKU: AF-1949 | Brand: Adafruit

These Female/Female Jumper Wires are handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 12" (300mm) long and come in a 'strip' of 20 (2 pieces of each of ten rainb...

SKU: AF-825 | Brand: Adafruit

Handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are approximately 3" (75mm) long and come in a 'strip' of 40 (4 pieces of each of ten rainbow colors). They have 0.1...

SKU: AF-2018 | Brand: Adafruit

Add a micro-slice standard solderless breadboard to your Perma-Proto or other perf-board. This 2x8 point solder-less breadboard is a good way to add some solderless prototyping space if you just need to...

SKU: SF-TOL-24771 | Brand: SparkFun

A wire stripper is an essential tool for any electronics work bench, and this multi-purpose stripper and cutter makes removing protective covers easy. This wire stripper and cutter works with six standard wire sizes f...

SKU: AF-5472 | Brand: Adafruit

Why are bananas never lonely? Because they hang around in bunches!A lot of power supplies, multimeters, and other benchtop equipment use standard 4mm banana plugs to connect this-to-that. When you need more, we now st...

SKU: AF-5471 | Brand: Adafruit

A 0.5-metre red banana plug cable with stackable connectors and retractable safety shrouds. The spring-loaded plastic cover retracts automatically when plugged into a 4 mm banana jack, then extends to cover the metal ...

SKU: AF-4375 | Brand: Adafruit

A simple I2C temperature sensor in a breadboard-friendly TO-220 package. The TC74A0 provides basic temperature readings with ±2°C accuracy — a straightforward choice when you need easy temperature logging or monitorin...

SKU: AF-5253 | Brand: Adafruit

A weighted metal rework station designed for SMT soldering and electronics repair. The 600 g metal plate keeps your workspace stable, while four magnetic PCB holders secure boards of any shape between 0.2–2 mm thick. ...

SKU: SF-TOL-18341 | Brand: SparkFun

The Artech A5020 is a 4000-count True RMS digital multimeter with Smart Measurement — it automatically identifies whether you're measuring AC voltage, DC voltage, resistance, or continuity, and auto-ranges to the opti...

SKU: AF-4635 | Brand: Adafruit

These premium extension jumper wires are handy for making wire harnesses or jumpering between headers on PCBs. They're 200mm (~7.8") long and come loose as a pack of 40 (10 pieces of red, blue, yellow, and Adafruit bl...

SKU: AF-4482 | Brand: Adafruit

These premium male-male jumper wires are handy for making wire harnesses or jumpering between headers on PCBs. They're 200mm (~7.8") long and come loose as a pack of 40 (10 pieces of red, blue, yellow, and Adafruit bl...

SKU: AF-4191 | Brand: Adafruit

A slim 2×AAA battery holder with a built-in on/off switch and genuine JST PH connector. Two AAA batteries in series provide approximately 3V — ideal for powering low-voltage electronics projects, microcontrollers, and...

SKU: AF-3842 | Brand: Adafruit

A compact battery holder for three AA cells with an integrated power cable and DC barrel jack. The series configuration delivers approximately 3.6–4.5V depending on battery chemistry, making it a convenient power sour...

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: AF-4081 | Brand: Adafruit

This flat vibration switch is a low-sensitivity, directional trigger that closes its circuit when bumped from the side. Inside, a soft spring coiled around a metal pin makes contact when vibration or impact occurs, ac...