All Products

SKU: AF-783 · MPN: 783

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/off switch built into the top for convenient power control. The holder features...

SKU: KI-5681

Explore time, light, and also sound with the Kitronik Alarm Clock Kit, a fun and hands-on introduction to the ZIP Halo HD. KITRONIK ALARM CLOCK KIT: The Kitronik Alarm Clock Kit with ZIP Halo HD for microbit provides a fun introduction to features of Halo HD. This kit features a modified version ...

SKU: AF-4193 · MPN: 4193

A slim 2×AA battery holder with a built-in on/off switch and genuine JST PH connector. Two AA batteries in series provide approximately 3V — ideal for powering low-voltage electronics projects, microcontrollers, and portable builds without needing to disconnect the battery to turn off power. The...

SKU: LB-BK-00081

Running a Paper Circuits Class or need lots of batteries for E-Textiles and Wearables?  This is our best-priced Coin Cell Battery.CR2032 Button Cell Battery - Great for use with the Lilypad Switch Battery Holder.  These batteries are also used with many paper circuit kits.Please note - ...

SKU: PI-CCL001

This circuit gained a life of its own, jumping from the pages of the 555 Timer IC Circuits Engineer's Mini-Notebook and out into the world as the storied Atari Punk Console. Well-known for enabling the creation of sounds just like classic Atari console games from the 1980s, it provides a ...

SKU: PR-PIM610

A hackable, programmable badge with E Ink® display, powered by Raspberry Pi RP2040. In honour of Raspberry Pi's 10th birthday, we've fused a RP2040 microcontroller with an EPD display to make a stylishly monochrome, maker friendly, e-paper badge(r) to attach to your person, your office door...

SKU: AF-5129

Cytron's Maker Pi RP2040 features the new Raspberry Pi RP2040 chip embedded on a robot controller board. The board comes with a dual-channel DC motor driver, 4 servo motor ports, and 7 Grove I/O connectors. Now you can build your new robot friend while simultaneously trying out the new RP2040 chi...

SKU: WS-34032

The Waveshare PocketTerm35 turns a Raspberry Pi 4B or Pi 5 into a proper handheld Linux computer. A 3.5inch 640 × 480 optically bonded touchscreen sits above a 67-key QWERTY silicone keyboard, so you get a complete Linux desktop — terminal, editor, browser, development tools — in something that f...

SKU: AF-1566 · MPN: 1566

A large-sized rechargeable battery pack for your Raspberry Pi (or Arduino, or Propeller, or anything else that uses 5V!). This pack is intended for providing a lot of power to an GPS, cell phone, tablet, etc but we found it does a really good job of powering other miniature computers and mi...

SKU: AF-4191 · MPN: 4191

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 portable builds. The JST PH connector polarity matches Adafruit's Li-Ion/LiPo ...

SKU: KI-5672

The Kitronik ZIP Halo HD for micro:bit is the ultimate micro:bit interface. 60 full-colour ZIP LEDs, Pins 1 & 2 broken out, MEMs mic, Piezo sounder, RTC & more!The Kitronik Halo HD board for the BBC micro:bit incorporates 60 individually addressable full colour ZIP LEDs. It also breaks out P1 and...

SKU: DF-DFR0386

A real-time clock (RTC) module designed specifically for the Raspberry Pi, built around the Maxim DS1307 chip. It communicates via I2C and includes a CR1220 coin cell battery to maintain accurate timekeeping even when the Pi is powered down. The module plugs directly onto the Raspberry Pi GPIO he...

SKU: PR-ESPRUINO_PUCKJS_V2

Puck.js v2 is an open-source Bluetooth LE button and beacon powered by the Espruino JavaScript interpreter. Program and debug it wirelessly from any modern browser using Web Bluetooth — no wires, drivers, or native software required. Built around the nRF52832 SoC, it packs sensors, LEDs, an IR tr...

SKU: AF-2850 · MPN: 2850

The CR2450 is a high-capacity 3V lithium coin cell battery, ideal for powering microcontroller projects, sensors, key fobs, and other small electronics that need reliable, long-lasting power. With a generous 610mAh capacity and a compact 24.5mm diameter form factor, the CR2450 delivers significa...

SKU: DF-DFR0225

RoMeo V2 [R3] is an All-in-One Arduino based robot board, it is especially designed for robotics applications, and extended devices. Romeo benefits from the Arduino open source platform, it is supported by thousands of open source projects, and can easily be expanded with Arduino Shields. The ...

SKU: KI-5674

The Kitronik Air Quality Board provides a complete air monitoring and reporting solution for the BBC micro:bit. The wealth of onboard sensors and connection points allow you to collect extensive air quality data that can be stored in onboard memory and displayed on the OLED screen or transferred ...

SKU: AF-5890 · MPN: ADA5890

This compact ItsyBitsy board packs an ESP32 PICO module into Adafruit’s small-format microcontroller layout, with dual-core processing, Wi-Fi, Bluetooth® Classic and BLE, 8 MB of Flash and 2 MB of PSRAM.This version swaps the PCB trace antenna for a w.FL external antenna connector, making it usef...

SKU: AF-653 · MPN: 653

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 can stitch it directly onto fabric with conductive thread. One tab connects to g...

SKU: AF-5889 · MPN: ADA5889

This compact wireless development board gives you a full-featured ESP32 platform in the familiar ItsyBitsy format. It uses the ESP32 PICO ECO V3 in an FCC-certified ESP32 Pico module, combining a dual-core 240MHz processor with 2.4GHz Wi-Fi, Bluetooth® Classic and BLE, plus 8 MB of Flash and 2 MB...

SKU: WS-31278 · MPN: 31278

Four versions — check the Wireless option before you order This page sells all four factory versions of the Luckfox Core1106 Smart 86 Box. Two of them have Wi-Fi and Bluetooth fitted, and two do not. Wireless is not an add-on — it is soldered at the factory, so you cannot add it later. Pick your ...