Circuitry & IOT

SKU: SF-WRL-17830 | Brand: SparkFun

The ESP32-WROOM-32E is a powerful, generic Wi-Fi+BT+BLE MCU module that targets a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music stre...

SKU: SF-TOL-18340 | Brand: SparkFun

The digital multimeter (DMM) is an essential tool in every electronic enthusiasts arsenal. This Smart Digital Multimeter, however, is not your average multimeter, it features a continuity sound at less than about 40±5...

SKU: DF-DFR0866 | Brand: DFRobot

The 6V 2-Position 3-Way Air Valve is a solenoid-driven pneumatic valve for controlling air flow direction in pneumatic systems. Like a relay, it features three interfaces: a common port (COM), a normally open port (NO...

SKU: DF-SEN0395 | Brand: DFRobot

This 24GHz millimeter-wave radar sensor employs FMCW, CW multi-mode modulation, and separate transmitter and receiver antenna structure.In working, the sensor first emits FMCW and CW radio waves to the sensing area. N...

SKU: SF-WRL-17743 | Brand: SparkFun

The SparkFun Thing Plus ESP32-S2 WROOM is a Feather form-factor development board built around Espressif's ESP32-S2 SoC with integrated 2.4 GHz Wi-Fi. It features enhanced security over the original ESP32, including t...

SKU: DF-DFR0813 | Brand: DFRobot

The ESP32-S2-DevKitM-1 is an entry-level development board built around the ESP32-S2-MINI-1 module. It features a single-core Xtensa LX7 processor with Wi-Fi connectivity, 4MB SPI flash, and most I/O pins broken out t...

SKU: DF-MBT0034 | Brand: DFRobot

The Environment Science Expansion Board V2.0 is a micro:bit add-on designed for STEAM education, integrating 14 environmental sensors and modules onto a single tree-shaped board. Students can measure UV levels, temper...

SKU: DF-ROB0156-L-1 | Brand: DFRobot

The micro:Maqueen Mechanic Loader kit adds a functional front-loader attachment to your Maqueen robot car. The kit includes a metal gear servo, aluminium alloy mechanical parts, and all necessary hardware for assembly...

SKU: AF-4435 | Brand: Adafruit

This generic DIN rail holder lets you mount PCBs and small modules up to 50 × 80 mm onto standard 35 mm DIN rail. The snap-on design assembles in under a minute and locks securely in place with the included yellow pla...

SKU: DF-FIT0626 | Brand: DFRobot

This battery holder connects 3× AAA batteries in series, providing approximately 4.5V from alkaline cells. It features a PH2.0-2P connector, making it compatible with DFRobot boards and other devices that use the PH2....

SKU: DF-FIT0611 | Brand: DFRobot

This is a Li-ion Battery Holder specially designed for micro: bit educational robot Maqueen. It can be used to hold a CR123A 3.6V lithium rechargeable battery to provide more than 8 hours continuous power for Maqueen....

SKU: AF-4194 | Brand: Adafruit

A slim, open-top 2×AA battery holder with a genuine JST PH connector. Two AA batteries in series provide approximately 3V — ideal for powering low-voltage electronics projects, Adafruit boards, and microcontrollers wi...

SKU: AF-4192 | Brand: Adafruit

A slim, open-top 2×AAA battery holder with a genuine JST PH connector. Two AAA batteries in series provide approximately 3V — ideal for powering low-voltage electronics projects, microcontrollers, and boards with JST ...

SKU: LB-OTTO | Brand: Little Bird

Build a functional, interactive Otto-style robot with a bundled set of electronics for sensing, movement, control and power. This kit is designed to help you assemble a robot that can detect objects in its path and mo...

SKU: AF-1518 | Brand: Adafruit

The Adafruit Flex Perma-Proto is a half-sized breadboard-layout prototyping board made from ultra-thin polyamide film. It bends, twists, and can even be cut to shape with scissors — perfect for wearables, curved enclo...

SKU: AF-3591 | Brand: Adafruit

The Adafruit HUZZAH32 ESP32 Feather Board brings the powerful Espressif ESP32 dual-core processor into the Adafruit Feather form factor. With WiFi, Bluetooth Classic, and BLE support, a built-in USB-to-serial converte...

SKU: AF-1577 | Brand: Adafruit

We've got some awesome LED goggle tutorials, and now you want to make your own, right? So pick up a pair of NeoPixel rings and these costuming goggles and get to it!These goggles look a bit like aviator/welding gog...

SKU: AF-2561 | Brand: Adafruit

Everything you need to get started with NeoPixel LED strips in one convenient pack. Includes a 1-metre NeoPixel strip with white flex PCB, power supply, and connectors — just add a microcontroller and you're ready to ...

SKU: DF-FIT0141 | Brand: DFRobot

A 6×AA battery holder with a DC 2.1mm power jack that plugs directly into an Arduino's barrel jack input. Creates a 7.2V rechargeable battery pack from NiMH/NiCd cells or a 9V pack from alkaline cells. Features mounti...

SKU: SF-PRT-14299 | Brand: SparkFun

This is a unique two-cell AA battery holder built specifically for the BBC micro:bit. The 6" (~150mm) cable has been terminated with a JST-PH connector. The connector mates the JST socket on the micro:bit perfectly...