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For Makey Makey kits that turn everyday objects into computer inputs (great for STEM/classroom projects), the core option is Makey Makey - JoyLabz (kit board; $81.62). For a guided, classroom-friendly resource that teaches Makey Makey projects and innovation skills, consider Makey Makey by Sandy Ng (project/lesson resource; $51.54). If you want quick curriculum integration ideas, Teaching With Makey Makey is a low-cost webinar-style intro ($0.02).
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Showing 61-80 of 100 products
Adafruit SCD-30 - NDIR CO2 Temperature and Humidity Sensor - STEMMA QT / Qwiic
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The Adafruit SCD-30 is a true NDIR (Non-Dispersive Infrared) CO2 sensor that directly measures carbon dioxide concentration in ambient air, rather than estimating it from volatile organic compounds. With an integrated SHT31 temperature and humidity sensor, it provides comprehensive environmental ...
Gravity 4Pin IIC/I2C/UART Sensor Cable (10pcs)
A pack of 10 Gravity-series 4-pin sensor cables, 30 cm long, for connecting I2C or UART sensors to Gravity-compatible boards. Each cable has a PH2.0 4-pin connector on one end and a XH2.54 DuPont connector on the other, compatible with standard 2.54 mm breadboard pin pitch for easy prototyping. ...
7-Segment Display - 4-Digit (Blue)
This compact 4-digit 7-segment display in blue features 10 mm digit height with a common-anode configuration. Each digit has its own decimal point, and the display includes individually controllable apostrophe and colon points — making it well suited for clock and time displays. The hardware int...
Gravity I2C OLED-2864 Display
The Gravity I²C OLED-2864 is a 0.96″ blue OLED display module driven by the SSD1306 controller. It communicates via I²C and refreshes at up to 60 Hz, making it ideal for real-time data readouts on Arduino and other microcontroller projects. The module uses the Gravity I²C interface for plug-and-...
Gravity: UART Infrared CO2 Sensor (0-50000ppm), air sensor
The Gravity UART Infrared CO2 Sensor uses non-dispersive infrared (NDIR) technology to measure carbon dioxide concentrations from 0 to 50,000 ppm. It offers excellent selectivity with no oxygen dependency, built-in temperature compensation, and a service life of over 5 years. The UART interface m...
Adafruit Pro Trinket - 3V
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Note: The Pro Trinket's bit-bang USB technique is a legacy approach that may not work reliably with modern operating systems. For new projects, consider an ItsyBitsy or Metro Mini board with native USB support at a comparable price. The Adafruit Pro Trinket 3V is a compact ATmega328P-based mic...
Adafruit Pro Trinket - 5V
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Note: The Pro Trinket's bit-bang USB technique is a legacy approach that may not work reliably with modern operating systems. For new projects, consider an ItsyBitsy or Metro Mini board with native USB support at a comparable price. The Adafruit Pro Trinket 5V is a compact ATmega328P-based mic...
2x7A DC Motor Driver
An ultra-compact dual DC motor driver built around a robust H-bridge design with 7 A continuous current per channel and a 50 A peak rating. Opto-coupler isolation on all control signals protects your microcontroller from motor-induced reverse currents, while built-in UVLO (Under-Voltage Latch-Out...
2x2A DC Motor Shield For Arduino
The DFRobot 2×2A DC Motor Shield uses the L298P dual full-bridge driver chip to control two DC motors at up to 2 A per channel. It stacks directly onto Arduino Uno and Arduino Mega boards, using PWM pins 5 and 6 for speed control and digital pins 4 and 7 for enable/disable. The shield can be pow...
Mini LED Arcade Button - 24mm Translucent Red
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A 24 mm translucent red arcade button with built-in LEDs. The crystal-clear body glows when the LEDs are powered, making it ideal for illuminated control panels, arcade cabinets, and interactive projects. A pre-installed micro-switch with gold-plated contacts provides a smooth, tactile press. Th...
Turbo Metal Gear Worm Motor (12V 40RPM 8kg.cm)
This turbo worm gear motor delivers high torque through a durable metal gearbox with a 1:150 reduction ratio. The worm drive mechanism provides a self-locking output shaft that cannot be back-driven, making it ideal for applications where the load must hold position when the motor is off. Rated ...
Sharp GP2Y0A21YK0F Analog Distance Sensor 10-80cm
The Sharp GP2Y0A21YK0F is an infrared distance sensor that outputs an analogue voltage corresponding to the distance of the nearest object within its 10–80 cm detection range. Using IR triangulation, it provides reliable distance measurements independent of the target object's colour or reflectiv...
Adafruit Feather M0 Express - Designed for CircuitPython [ATSAMD21 Cortex M0]
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The Feather M0 Express is Adafruit's CircuitPython-optimised Feather, built around the ATSAMD21G18 ARM Cortex M0+ processor. It combines the standard Feather M0 platform with 2 MB of SPI flash storage, a Mini NeoPixel, and a UF2 bootloader for drag-and-drop programming — no special tools or drive...
Gravity: Photoelectric Arduino Water Liquid Level Sensor
A photoelectric liquid level sensor that uses optical principles to detect the presence or absence of liquid. With no moving parts, it requires minimal calibration and offers high sensitivity and long service life. The corrosion-resistant polycarbonate probe handles temperatures from −25 °C to 10...
Adafruit DotStar High Density 8x8 Grid - 64 RGB LED Pixel Matrix
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The Adafruit DotStar High Density 8×8 Grid packs 64 individually addressable RGB LEDs into a compact 25.4 mm × 25.4 mm (1" × 1") square. Each DotStar pixel features a built-in PWM driver and is controlled via a 2-wire SPI interface using just two digital I/O pins — data and clock. Each LED deliv...
Dual Alphanumeric Display - Blue 0.54 Digit Height - Pack of 2
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A pack of two 14-segment alphanumeric LED displays in blue, each with a 0.54" (13.7 mm) digit height. These displays can show letters, numbers, and select symbols, making them suitable for clocks, status indicators, and text-based readouts. Each display features bright blue segments on a black f...
Universal Qi Wireless Receiver Module
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A Qi-compatible wireless charging receiver module that outputs regulated 5 V at up to 500 mA. Place this module on any standard Qi charging base to receive power wirelessly — ideal for adding wireless recharging capability to Arduino projects, custom devices, and embedded builds. The module uses...
Micro Metal Gear Motor with Connector (50:1)
This compact micro metal gear motor features a 50:1 gear ratio and a D-profile metal output shaft, making it ideal for small robotics platforms and wheeled projects. The shaft dimensions are compatible with Pololu 42×19mm and 32×7mm wheels. The motor comes with a PH2.0 connector for solderless w...
PowerBoost 500 Basic - 5V USB Boost @ 500mA from 1.8V+
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The PowerBoost 500 Basic is a compact DC/DC boost converter that takes input from 1.8V or higher and outputs a steady 5.2V — perfect for powering portable 5V projects from batteries. The slightly elevated 5.2V output provides headroom for cable resistance and high-current draws, preventing brown-...
SparkFun USB LiPoly Charger - Single Cell
The SparkFun USB LiPoly Charger is a single-cell Li-Ion/Li-Polymer battery charging board based on the MCP73831T. It charges 3.7V LiPo cells at a selectable rate of 500 mA or 100 mA via a solder jumper, with power input from either USB or a barrel jack connector. The board includes a SYS OUT JST...