Circuitry & IOT

SKU: LB-LR0347A | Brand: Little Bird

This E-Textiles  Coin Cell Battery Holder has a small slide switch installed on the board, in-line with the power so you can shut off your project and save batteries. This slide switch is the same as is found on ...

SKU: PL-1161 | Brand: Pololu

A battery holder for eight AA cells, arranged as two back-to-back four-cell holders. Provides up to 12V (with alkaline cells) in a compact, stackable form factor. Specifications Cell Type – AA Capacity – 8 cells ...

SKU: AF-3905 | Brand: Adafruit

This compact 2×2 AA battery holder connects four AA batteries in series, providing a nominal 6 V DC output (alkaline) or 4.8 V DC (rechargeable NiMH). The premium jumper header wires plug directly into a breadboard — ...

SKU: AF-3858 | Brand: Adafruit

A 2×AA battery holder with premium jumper header wires that plug directly into a breadboard — no stripping, twisting, or fighting with thin leads. Two AA batteries in series provide approximately 2.5V to 3V, making th...

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-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-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: SF-PRT-07948 | Brand: SparkFun

A through-hole 12mm coin cell battery holder for PCB mounting. Uses friction to hold the battery securely in place — the metal housing is positive (+) and the PCB pad underneath is negative (−). Commonly used for RTC ...

SKU: SF-PRT-00783 | Brand: SparkFun

Basic 20mm coin cell holder. Posts can be inserted into 0.1" perf board! Holds the common CR2032 type batteries.

SKU: LB-PAPER-SCREW | Brand: Little Bird

A child-safe battery holder designed for paper circuits in educational settings. Features a screw-secured enclosure for the CR2032 coin cell battery, meeting ACCC safety guidelines for button batteries used around chi...

SKU: LB-SMILE | Brand: Little Bird

This is a simple coin cell battery holder that can enclose two CR2032 batteries inside itself, and safely kept closed via two phillips head screws. Each battery holder will run batteries in series, output up to 6V, an...

SKU: LB-BK-LR0347A | Brand: Little Bird

A sewable coin cell battery holder with built-in on/off slide switch, designed for e-textile and wearable electronics projects. This bulk 10-pack is ideal for classrooms, workshops, and makerspaces. Each holder accep...

SKU: PI-COM1900 | Brand: Pimoroni

A sewable coin cell battery holder designed for wearable electronics projects. The metal tabs have small 1mm holes that accommodate a #5 or smaller needle, making it easy to sew directly onto fabric with conductive th...

SKU: SF-DEV-13883 | Brand: SparkFun

Sure, your flashing, chip-tune playing T-shirt is really cool at the party… but at some point you need to turn it off. And yes, you could just pull the battery, or maybe you’ve even sewn a LilyPad slide switch in-line...

SKU: DF-FIT0337 | Brand: DFRobot

This small capsule is a 4.5V button cell battery holder for mini power solutions.Its minimalism design in clean white cylinder body and matte surface makes it an elegant power capsule in your projects. It also includ...

SKU: LB-PRT-12618 | Brand: Little Bird

An enclosed coin cell battery holder for two CR2032 batteries wired in series, delivering up to 6 V output. The holder features a built-in on/off slide switch and two 150 mm (6″) power leads (positive and negative). A...

SKU: AF-783 | Brand: Adafruit

A compact coin cell battery holder designed for small portable and wearable electronics projects. It holds two 20mm coin cells (CR2032 is the most common size) wired in series to provide 6V nominal output, with an on/...