Circuitry & IOT

SKU: AF-1536 | Brand: Adafruit

A breadboard-friendly active buzzer module that produces a loud 2 kHz tone when you apply 3–5V. Unlike a passive piezo element, this buzzer has built-in driver circuitry — no oscillating signal needed, just apply powe...

SKU: EF-EF08297 | Brand: ElecFreaks

The Classroom Smart Home Kit includes components such as an IOT:bit expansion board, crash sensor, 180-degree servo, rainbow LED, noise sensor, light sensor, and OLED display. These components enable a wealth of funct...

SKU: AF-5323 | Brand: Adafruit

The Adafruit ESP32-S3 Feather with STEMMA QT brings the dual-core ESP32-S3 to the Feather ecosystem with Wi-Fi, Bluetooth LE, and native USB. This version comes with 8 MB flash, 512 KB SRAM, and no PSRAM — suitable fo...

SKU: WS-14718 | Brand: Waveshare

A 1.8" colour display module designed for the BBC micro:bit, featuring 160 × 128 resolution and 65K colour support. It plugs directly into the micro:bit edge connector — no soldering required. The module includes onb...

SKU: LB-LR0298 | Brand: Little Bird

This stand alone DHT11 can read the temperature and humidity and send the information over a one wire, simplex serial bus. Arduino.cc provides a DHT11 library to aid in communicating with this module.**DHT11 Temper...

SKU: SF-PRT-10007 | Brand: SparkFun

A set of stackable headers designed for the Arduino Uno, Arduino Pro, and other boards using the classic (pre-R3) pin layout. These female headers sit tall enough to clear the USB-B connector, making them ideal for st...

SKU: AF-4900 | Brand: Adafruit

The Adafruit QT Py RP2040 puts the popular Raspberry Pi RP2040 chip into the tiny QT Py form factor. With dual-core ARM Cortex-M0+ running at 125 MHz, 264 KB SRAM, 8 MB flash, native USB, and a STEMMA QT connector, it...

SKU: PL-1902 | Brand: Pololu

These 1×3-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 or crimp pins to create reliable, removable...

SKU: SF-PRT-09547 | Brand: SparkFun

A 2×AA battery holder with a sliding cover secured by a Phillips head screw and a built-in ON/OFF switch for convenient power control. The 150mm tinned leads make it easy to solder into your projects. Key Features ...

SKU: AF-356 | Brand: Adafruit

These are our favorite trim pots, perfect for breadboarding and prototyping. They have a long grippy adjustment knob and with 0.1" spacing, they plug into breadboards or perfboards with ease. This is the same pot t...

SKU: SF-WRL-20168 | Brand: SparkFun

The SparkFun ESP32 WROOM Thing Plus is a Feather-compatible development board built around Espressif's ESP32-WROOM module, featuring USB-C, integrated Wi-Fi and Bluetooth, a microSD card slot, LiPo battery management ...

SKU: WS-31201 | Brand: Waveshare

ESP32-C6 1.47inch Touch Display Development BoardUnleash your creativity and step into the future of wireless technology with the ESP32-C6 1.47inch Touch Display Development Board. This compact yet powerful developmen...

SKU: EF-EF08313 | Brand: ElecFreaks

The ELECFREAKS Smart Greenhouse Kit is a hands-on STEM kit that simulates smart agriculture using a micro:bit and IoT expansion board. Students plant seeds in the built-in growth groove, monitor conditions with integr...

SKU: LB-LS0824-V2 | Brand: Little Bird

This IO expansion board adapter for the micro:bit V2 breaks out all pins to accessible connectors, making it easy to connect sensors, modules, servos, and other peripherals to your micro:bit projects without alligator...

SKU: DF-DFR1096 | Brand: DFRobot

The Arduino Nano ESP32 brings the ESP32-S3 (u-blox NORA-W106 module) into the familiar Nano form factor with a USB-C connector. It supports both Arduino and MicroPython programming, making it an accessible entry point...

SKU: AF-5723 | Brand: Adafruit

The Feather RP2040 with USB Type A Host adds a full USB Type A port to the Feather, letting you connect USB devices like keyboards, mice, flash drives, and serial peripherals. The USB host functionality is achieved th...

SKU: PL-1702 | Brand: Pololu

These premium jumper wires are stranded 26 AWG wires with male terminations on both ends, for use with 0.1″ (2.54 mm) fefemale headers, connectors, and solderless breadboards and breadboards. The assortm...

SKU: AF-1085 | Brand: Adafruit

Add precision analog-to-digital conversion to any microcontroller with the ADS1115 breakout. This 16-bit ADC delivers 860 samples per second over I2C, with four single-ended or two differential input channels and a bu...

SKU: LB-LR0293-29 | Brand: Little Bird

These compact jumper cables feature a premium female header on one end and a grippy mini alligator clip on the other — perfect for breadboarding with non-header-friendly boards and components. Clip onto a micro:bit, C...

SKU: LB-LR0293-30 | Brand: Little Bird

These compact jumper cables feature a premium male header pin on one end and a grippy mini alligator clip on the other — perfect for breadboarding with non-header-friendly boards and components. Clip onto a micro:bit,...