Circuitry & IOT

SKU: DF-FIT0610 | Brand: DFRobot

This enclosed battery holder takes 3× AA batteries in series, providing approximately 4.5V from alkaline cells or 3.6V from NiMH/NiCd rechargeables. It features a built-in on/off switch and a sliding, removable cover ...

SKU: AF-4193 | Brand: Adafruit

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 p...

SKU: EF-EF04027 | Brand: ElecFreaks

Octopus Soil Moisture Sensor Brick can read the amount of moisture present in the soil surrounding it. It's a low tech sensor, but ideal for monitoring an urban garden, or your pet plant's water level. This is a mu...

SKU: AF-4031 | Brand: Adafruit

Pipe audio in or out of your project with this very handy breadboard-friendly audio jack. It's a stereo jack so you get left and right channels as well as a ground pin. You can use any 3.5mm stereo cable with this jac...

SKU: LB-00248 | Brand: Little Bird

Mike Tooley's book will show you how the micro:bit can be used in a wide range of applications from simpe domestic gadgets to more complex control systems such as those used for lighting, central heating and securi...

SKU: AF-2215 | Brand: Adafruit

A 16.000 MHz quartz crystal in the HC49/US short-style package, supplied with two 20pF load capacitors. The crystal provides higher precision than ceramic resonators, with 30 PPM tolerance and 50 PPM stability — suita...

SKU: DF-FIT0121 | Brand: DFRobot

Jumper wires are one of the most important gear component for the tinkerer. Often underestimated, but one of the first things to miss. If you are starting to assemble your tinker gear and wondering if this is really n...

SKU: PL-1025 | Brand: Pololu

The 0.100″ (2.54 mm) 2×5-Pin Straight Female Header is a double-row, 10-pin socket strip designed to mate with standard 0.1″ pitch male headers. The 2×5 configuration is one of the most widely used dual-row sizes, mat...

SKU: PL-1912 | Brand: Pololu

These 2×4-pin crimp connector housings let you quickly build custom cables that mate with standard 0.1" (2.54mm) spaced connectors. Pair them with pre-crimped terminal wires to create reliable, removable eight-wire co...

SKU: PL-1903 | Brand: Pololu

These 1×4-pin crimp connector housings let you quickly build custom cables that mate with standard 0.1" (2.54mm) spaced connectors. Pair them with pre-crimped terminal wires to create reliable, removable four-wire con...

SKU: AF-1951 | Brand: Adafruit

These premium female-to-female jumper wires are ideal for making wire harnesses or connecting between headers on PCBs. Each pack contains 20 wires in a ribbon cable format — two of each of ten rainbow colours — that c...

SKU: AF-1953 | Brand: Adafruit

These Female/Male 'extension' jumper wires for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 3" (75mm) long and come in a 'strip' of 20 (2 pieces of each of ten rainbow...

SKU: DF-DFR1154 | Brand: DFRobot

An intelligent AI camera module built around the ESP32-S3 chip, combining a 160° wide-angle infrared camera, onboard microphone, speaker, and powerful edge AI capabilities. Designed for video processing, image recogni...

SKU: KS-KS0530 | Brand: Keyestudio

The solar tracking kit launched by KEYES is based on Arduino. It consists of 4 ambient light sensors, 2 DOF servos, a solar panel and so on, aiming at converting light energy into electronic energy and charging power...

SKU: KI-56115 | Brand: Kitronik

The Kitronik :VIEW Graphics128 OLED display gives the user the ability to add a monochrome 128x64 display to the BBC micro: bit. The onboard edge connector allows the micro:bit to slot into the board without any addit...

SKU: KI-5331 | Brand: Kitronik

This board allows the Raspberry Pi Pico (connected via pin header) to drive two motors simultaneously with full forward, reverse & stop control, making it ideal for Pico controlled buggy projects. Alternatively, the b...

SKU: LB-LS4650 | Brand: Little Bird

This flat, dense PCB holder is designed to keep your circuit board steady while you work. Its low-profile vise style lets your hands rest directly on the work table, making it easier to steady yourself during precise ...

SKU: SF-WRL-19177 | Brand: SparkFun

The SparkFun IoT RedBoard is an ESP32 Development Board that includes everything but the kitchen sink! Espressif's ESP32 WROOM is a powerful WiFi and Bluetooth® MCU module that targets a wide variety of application...

SKU: SF-ROB-19223 | Brand: SparkFun

This is a servo adapter cable that allows you to hookup your servo directly to alligator clip connections. On one end you have a shrouded male servo connector, and on the other end three 30mm shrouded alligator clips....

SKU: DF-DFR0816 | Brand: DFRobot

Beetle CM-32U4 is a micro Leonardo controller with an onboard charging chip. As an upgraded version of the DFRobot Beetle Board, this board is greatly optimized in integration and usability, which makes it well a...