All Products

SKU: DF-SEN0219 | Brand: DFRobot

The concentration of carbon dioxide (0.03% usuallly) is related to daily life. Recently, there's a study showing that the atmospheric CO2 content has reached 0.0385% (385 ppm) which is the highest value since 2.1 ...

SKU: DF-DFR0034 | Brand: DFRobot

This is a new Arduino compatible Analog Sound Sensor. Sound Sensor is typically used in detecting the loudness in ambient, the Arduino can collect its output signal and actuate accordingly. You may use it to make some...

SKU: AF-2857 | Brand: Adafruit

The Adafruit Sensirion SHT31-D is a high-accuracy temperature and humidity sensor with a true I2C interface and PTFE filter for protection against dust and contaminants. Part of Sensirion's third-generation SHT sensor...

SKU: LB-LS6972x2 | Brand: Little Bird

A compact stereo speaker pair for small audio projects, handheld devices, and embedded builds. Each 45mm driver is rated at 4Ω and 3W, delivering clear, balanced sound in a slim form factor. Pre-wired with a PH2.0 plu...

SKU: LB-LS4968 | Brand: Little Bird

MQ-2 Gas Sensor - Smoke & Flammable Gas Detector The MQ-2 is a reliable, easy-to-use gas sensor that’s ideal for detecting flammable gases like LPG, methane, propane, and even smoke. At its core is tin dioxide (SnO₂...

SKU: WS-26244 | Brand: Waveshare

An RS485-controlled industrial I/O module with 8 isolated digital inputs and 8 open-drain digital outputs, communicating via the Modbus RTU protocol. Multiple protection layers — power isolation, magnetic isolation, T...

SKU: LB-LR0317 | Brand: Little Bird

1x 400 pt breadboard1x USB Cable1x UNO R3 Board1x Protoshield65x Jumper Wires1x SG90 Servo1x DC Motor5x PN2222 Transistors5x BC557 PNP5x BC547 NPN2x LDR sensor5x 1N4001 Diodes1x stepper Motor1x UNL2003 driver board1x ...

SKU: SF-SEN-20844 | Brand: SparkFun

The SparkFun ENS160 Indoor Air Quality Sensor is a digital multi-gas sensor solution with four sensor elements that can be used in a wide range of applications including building automation, smart home, and HVAC. The ...

SKU: AF-5440 | Brand: Adafruit

The Adafruit Ultimate GPS Breakout with GLONASS + GPS is an enhanced version of the popular Ultimate GPS, built around the MTK3333 chipset with PA1616D module. It supports both GPS and GLONASS satellite networks, trac...

SKU: EC-ARS03218S | Brand: Elecrow

The board is designed for beginners in Arduino, with various components available that makes you build more than 10 projects easily. You won’t have to solder or connect anything at all, just plug it in a shield and st...

SKU: SF-KIT-15631 | Brand: SparkFun

The SparkFun Inventor's Kit (SIK) for Arduino Uno is a great way to get started with programming and hardware interaction with the Arduino programming language. The SIK includes everything you need to complete five ov...

SKU: SF-SEN-15440 | Brand: SparkFun

The BME280 Atmospheric Sensor Breakout measures barometric pressure, relative humidity, and temperature from a single compact board. With both Qwiic (I2C) and 0.1″ header connections, it integrates easily into Arduino...

SKU: LB-00035 | Brand: Little Bird

Description: Prolific hacker and successful author Simon Monk helps you solve specific issues for using Raspberry Pi, the $35 system on a chip that's taking the computer and electronics world by storm.  This ...

SKU: AF-1231 | Brand: Adafruit

The ADXL345 from Analog Devices is a triple-axis digital accelerometer with both I2C and SPI interfaces. This breakout board includes an on-board 3.3V regulator and logic-level shifting, making it easy to interface wi...

SKU: AF-1272 | Brand: Adafruit

The Adafruit Ultimate GPS Logger Shield combines the popular Ultimate GPS module with a MicroSD card slot, giving your Arduino a complete GPS datalogging solution. Built around the MTK3339 chipset, it tracks up to 22 ...

SKU: AF-3986 | Brand: Adafruit

This T-Slot Photo Interrupter is a simple plastic sensor with two elements - an IR LED and an IR photo-transistor, situated across a U-shaped gap. You can control the IR LED and turn it on to transmit IR light acro...

SKU: LB-00312 | Brand: Little Bird

A hands-on guide to building electronic circuits, robots, and cloud-connected devices using littleBits — the snap-together magnetic electronic building blocks. Co-authored by littleBits founder Ayah Bdeir and top-sell...

SKU: LB-LR0205 | Brand: Little Bird

An alcohol sensor module for Arduino with both digital (TTL) and analog output. It detects alcohol vapour in the 10–1000 PPM range, with analog output voltage increasing proportionally with concentration. The module a...

SKU: PL-2485 | Brand: Pololu

The Pololu Basic 2-Channel SPDT Relay Carrier provides simple, independent control of two single-pole, double-throw (SPDT) relay switches from low-voltage, low-current control signals. This assembled version comes rea...

SKU: AF-166 | Brand: Adafruit

The Interlink 402 is a round force-sensitive resistor (FSR) with a 12.7 mm (0.5″) sensing area. It changes resistance based on applied pressure — the harder you press, the lower the resistance — making it a simple, lo...