The Arduino WTV020-SD MP3 Module is a voice recording module with 1GB SD Card storage capacity. You can upload WAV and AD4 format files that conform to FAT formatting. It supports 6KHz to 32KHz, being 36KHz for AD4 files and 6-16KHz for voice sampling rate (Audio Sampling).

The Vma210 Expansion Board is designed to allow easy access to the interface pins of an Arduino Nano. Each DIO pin or analog pin on the Nano is brought to an appropriate header.

This rubber ring is used to attach the ultrasonic sensor.

Basic breakout board for the TEMT6000 Ambient Light Sensor.

This sensor has a piezoelectric transducer that responds to voltage changes, generating a measurable change in output voltage that is proportional to the force of vibration . In this way, it is possible to know the vibration force , as opposed to the digital vibration sensor that only counts time.

This is the Mini Reed Magnetic Sensor Module for Arduino! Reed switches are driven by magnets and are used in Mechanical Systems as Proximity Sensors.

The flame sensor can be used to detect fire or another wavelength in light from 760 nm - 1100 nm.

This Flame Sensor is sensitive to the flame, but also can detect ordinary light. Usually used as a flame alarm. 

Learn about the capacity of your battery whenever you want with this Lithium Battery Capacity Indicator Module!

This is the Magnetic Door Switch Set, a small reed switch assembly specifically designed to alert you when doors, drawers, or any other aperture opens.

Light Sensitivity Switch Kit, Velleman.

infrared devices are widely used and often for remotely controlled devices . With this IR receiver, your Arduino project is now able to receive commands from any IR remote controller.

Load Cell - 50Kg

Sensor Temperatura PT-100

This sliding position sensor is based on sliding potentiometer position sensor and can be easily combined with the Arduino sensor/IO expansion board .

This Shuck Socket it is easy to use and to install.

Voltage Sensor Module.

This is the FeatherWing Adalogger: it adds a real-time clock with battery and micro SD card storage to any Feather mainboard. Using the Headers, you can connect a FeatherWing to the top of your board and let the board fly!

The Current Sensor 70A is a great option for those looking for equipment to measure current up to 70A and that is non-invasive.

This version of the Ethernet Shield is not only compatible with Mega 1280 and 2560, but also provides a Micro SD card slot for read / write

The HC-12 433MHz Transceiver is a wireless communication Module, which is based on the RF SI4463 chip, has a built-in microcontroller and can be configured by AT commands, the maximum output power is 100mW (20dBm) and the receiver sensitivity differs from: 117dBm to -100dBm, depending on the transmission speed. Accepts 3.2V - 5.5V and can be used with 3.3V and 5V UART voltage devices.

The purpose of this sensor is to measure the sound intensity of the surrounding environment.

This AA boost module integrates with TI's TPS61032 auxiliary chip, which is capable of producing 5V 1A with input above 1.8V . The only difference between V1 and V2 is to change the output current from 2A to 1A.

Crash sensor(Left)

Digital Push Button (Green)

This is the Infrared Proximity Sensor made by Sharp.

The Si7021 is a low-cost, easy-to-use, highly accurate, digital humidity and temperature sensor. 

SW-420 Motion and Vibration Sensor Module.

Can be used to monitor the heart rate of the patient and athlete. The result can be displayed on a screen via the serial port and can be saved for analysis.

The MQ4 is used in gas leak detection equipment in the consumer and industrial markets, this sensor is suitable for detecting CH4 , natural gas , LNG , avoiding exposure to alcohol, kitchen smoke and cigarette smoke . Sensitivity can be adjusted by potentiometer

This package includes a Sensor of Level of Water and a Sensor of Humidity from Solo. If the plates have water covering the sensor components, an analog value will be available on the "SIG" connection. The Sensor of Level of Water can detect up to 4cm of water. This way, you can check if your aquarium, or your pet's water bowl, still has enough water. You can use the Sensor of Moisture of the Soil to check your plant's soil or growing environment, for example.

8 relay module with ports " NC " means " Usually connected to COM " and ports "NO" means " Usually open to COM ".

This is an auxiliary plate for Honeywell HMC5883L , a digital 3-axis compass.

The SparkFun ESP8266 WiFi Shield is an Arduino compatible shield for the ESP8266 WiFi SoC – a leading platform for Internet of Things (IoT) or WiFi-related projects. There are a variety of designs based around the ESP8266, including tiny, modular boards and more accessible development boards like our very own SparkFun ESP8266 

Este módulo usa um interruptor de inclinação de mercúrio para ativar um LED. Há também uma saída digital conectada através de uma resistência de 10K embutido.

Gravity: IO Expansion Shield for Arduino V7.1

Temperature Sensor - Grove

Solid State Relay - 8 Channels

A Whadda Universal Temperature Sensor Mounting Kit, used for measuring indoor and outdoor temperatures, controlling the rise/fall of temperature in homes, equipment, control of temperatures in some processes, visualization of the temperature on your website, control of the temperature of your pool, etc.

This is a simple to use Light Sensor that outputs an analog value from 0 to 5V.

Detecting temperature changes has never been easier. The MCP9700 is a small thermistor type temperature sensor. 

The Vma449 integrates the Voice Recorder ISD1820 and Playback CI to record a single message up to 20 seconds long. The recorded message is stored in the analog flash memory that keeps the message stored even in the event of a power failure. The module has an integrated microphone to record your message and buttons for recording, partial playback or full reproduction of the message functions.

BTBee Pro is a Bluetooth serial port module that can be compatible with shields that have XBee socket.

Uses the NTC Thermistor Sensor, Good Sensitivity. The Clean Waveform of the Comparator Output Signal is Good, Driving Capacity.

This is a DC-DC buck-mode power module, with input voltage range of 3V - 15V and fixed voltage / current at fixed 5V / 600mA . Working frequency can reach 0.5 MHz . The module has high conversion rate and small size, easy to incorporate.

WiDo is a WIFI IoT Node development board compatible with Arduino.

4 channel module for detaining obstacles.

This DTMF Shield is a Dual-tone multi-frequency signaling module decoder for Arduino With it's audio connector you can decode the crazy funny noises common phones make.