New Arrivals

SKU: SF-SEN-17052 | Brand: SparkFun

The MQ-136 is a Hydrogen Sulfide detection sensor with a sensing range of 1 - 200ppm. The sensing element is SnO2, which has lower conductivity in clean air. When H₂S gas exists, the sensor’s conductivity gets higher ...

SKU: SF-SEN-17053 | Brand: SparkFun

The MQ-137 is an ammonia (NH3) gas sensor from Winsen, designed to detect ammonia concentrations in the air. The sensing element is tin dioxide (SnO2), which has lower conductivity in clean air and increases in conduc...

SKU: EC-SEA0002T | Brand: Elecrow

The Crowtail Advanced Kit for Arduino is a comprehensive STEAM education kit containing 22 electronic modules and a Crowduino Uno SD board. With plug-and-play Crowtail connectors, no soldering or complex wiring is req...

SKU: AF-4699 | Brand: Adafruit

A simple DC-powered air pump for inflatables and air-powered projects. Power it with ~4.5V (5V works fine) and it draws about 500mA, making it easy to run from the same supply as your DC motors or servos. The pump suc...

SKU: EC-ESP11002R | Brand: Elecrow

A WiFi-controlled relay module designed for ESP-01 or ESP-01S modules (based on the ESP8266). The relay is controlled via GPIO0 with a low-level trigger, allowing you to switch mains-powered devices on and off wireles...

SKU: EC-DTS04012R | Brand: Elecrow

Do you still looking for the relay module for the Micro: bit? Here we had combined the relay with the Micro: bit and you can use Micro: bit to control 4 relays at the same time. Features Apply to Micro: bit. ...

SKU: DF-SEN0337 | Brand: DFRobot

TOF Sense is a TOF-based (Time of Flight) laser ranging sensor that offers 1cm-5m detection range, 1mm resolution, ± 1.5cm error, and 10Hz data update frequency. The sensor supports 15 ° ~ 27 ° adjustable FOV, UART an...

SKU: EC-MCA02328UNO | Brand: Elecrow

The Crowduino Uno-SD mainboard is a microcontroller board that completely compatible with the Arduino UNO. It is based on the Atmega328P, which is widely also used in the Arduino Uno and other Arduino compatible board...

SKU: EC-MCA01328A | Brand: Elecrow

The Crowduino is Arduino compatible board. Based on Arduino Duemilanove Schematic, 100% compatible to its existing program, shield and IDEs.This Crowduino is a microcontroller board based on the ATmega328 (datasheet)....

SKU: EC-ACS17101S | Brand: Elecrow

This WiFi Shield connects your Arduino or Crowduino to the internet wirelessly. Just connect it to your wireless network with a few simple instructions, you can start to control your applications through the internet ...

SKU: EC-ACM82664A | Brand: Elecrow

The Crowduino UNO ESP8266 combines an Arduino UNO-compatible microcontroller with an onboard ESP8266 WiFi module in a single, compact board. Instead of wiring a separate WiFi shield or module, you get integrated wirel...

SKU: EC-ACS53201S | Brand: Elecrow

NFC(Near Field Communication) is a set of standards for smartphones and similar devices to establish radio communication with each other by touching them together or bringing them into close proximity , it builds upon...

SKU: EC-SEA0003T | Brand: Elecrow

The Crowtail-Deluxe Kit for Arduino is a kit for advanced learners with a basic programming foundation. It is designed to help learners diverge their ideas, learn how more complex electronic components work and progra...

SKU: EC-ACA2560MEG | Brand: Elecrow

Elecrow Crowduino Mega2560 board, almost the same usage and performance with the Arduino Mega2560 but with some difference on the power circuit to ensure the power. Based on the ATmega2560 (datasheet). The Elecrow Meg...

SKU: AF-4441 | Brand: Adafruit

The Garmin LIDAR-Lite V4 LED is a compact, low-power optical distance sensor that measures up to 10 metres using lensed LED light (not a laser, despite the name). Drawing only 85 mA during acquisition with measurement...

SKU: DF-FIT0658 | Brand: DFRobot

This compact 5V inductive proximity switch detects metal objects at distances up to 4mm without physical contact. It features an NPN normally-open output, a fast response time under 1ms, and a 1,000Hz switching freque...

SKU: DF-SEN0329 | Brand: DFRobot

The TF03 is an industrial-grade ToF (Time-of-Flight) LiDAR sensor with a detection range of up to 180 m at 90% reflectivity. Using pulsed laser ranging at 905 nm, it delivers ±10 cm accuracy with a 0.1 m minimum blind...

SKU: EF-EF01003 | Brand: ElecFreaks

The Freaduino MEGA2560 is an Arduino MEGA 2560 compatible development board from ElecFreaks. It inherits the same pin layout, screw holes, and dimensions as the official Arduino MEGA 2560, so all existing shields, lib...

SKU: DF-SEN0328 | Brand: DFRobot

The TF03 is an industrial-grade LiDAR sensor with a detection range of up to 100 m. Using pulsed time-of-flight (ToF) measurement, it delivers high accuracy in a compact 44 × 43 × 32 mm package weighing just 77 g. Its...

SKU: EF-EF01001 | Brand: ElecFreaks

Resources: Atmega 328 Datasheet Schematic v1.8 Schematic v2.2 Arduino IDE Arduino UNO Reference Freaduino UNO review,thanks Wilhelm, Mathias Please visit the ElecFreaks wiki page for more info about this product. ...