LinkNode R4 is a WiFi relay controller and it is powered by ESP-12f ESP8266 WiFi module which is compatible with Arduino programming. There are 4 relay channels and each channel allows you to control high-power devices (up to 10 A) via the on-board relay...

Introduction Bluetooth 4.0 BLE Gateway Shield is an addon that can turn pcDuino8 Uno into a Bluetooth 4.0 BLE gateway. It is using Nordic nRF51422 chipset and Arduino compatible. User have the flexibility to what serial ports (soft serial port or hard...

So it turns out that your XBee based device would work even better as a BLE device… that probably means back to the drawing board, right? Well not anymore! Now you can swap in BLE functionality without a major hardware redesign!  Bluetooth 4...

This DFRobot 386AMP audio amplifier module uses the National Semiconductor LM386 audio power amplifier chip.  It has 20 voltage gain. In the 6V power supply, it's static power consumption of only 24mW, the module is suitable for battery-powered...

The Motor Pro Shield can independently drive four motors. It also has four interfaces for modules of linker kit, Analog: [A2 A3 VCC GND], Serial port: [D0, D1, V, GND], Digital IOs [D2, D4, V, GND], and [D5, D6, V, GND]. Moreover, it has interfaces...

RS485 is a standard communication port for field bus. Arduino only has a USB port and a TTL UART interface. In order to talk to a device that has RS485 bus, we can add a RS485 port to Arduino using this handy RS485 shield. Use this handy Arduino RS485...

RAMPS is short for  RepRap Arduino Mega Pololu Shield. It is designed to fit the entire electronics needed for a RepRap in one small package for low cost. RAMPS interfaces an Arduino Mega with its powerful platform and has plenty room for...

The Motor Shield is a perfect platform for robotics and mechanical applications. It enables the Arduino to drive two brushed DC motors or one 4-wire two-phase stepper motor. Based on the H-bridge driver Chip L298N motor driver integrated circuit, it...

Ethernet Shield instantly enables internet connectivity for Arduino projects. An on-board Wiz5100 ethernet controller handles up to four TCP and UDP connections, just stack it onto an Arduino to create your own networked devices. Easily check connection...

The Relay Shield is an Arduino compatible smart module with 4 mechanical relays providing an easy way to control high voltage. The max switching power is 35VDC 70W for each channel. It can be directly controlled by Arduino through digital IOs with...

The LoL Shield is a charlieplexed LED matrix for the Arduino. The LEDs are individually addressable, so you can use it to display anything in a 9×14 grid. Scroll text, play games, display images, or anything else you want to do. Since this is a...