Bicycle Flashlight with Speaker and BT/FM/SD/USB from Manta.

A large LED array panel of dots to connect to your PI, Arduino and more! This large, bright 512 LEDs  has integrated controller circuits designed to facilitate direct use on your board.

The Hexa base rotation kit is perfect for rotating a large mass. It can easily support 5kg . It is injection molded from ultra strong ABS plastic .

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

Shield of relays for Arduino, with 2 channel mechanical relays and with 2 channel MOS switch , providing an easy way for applications low and high voltage control. 

This relay shield is capable of controlling 4 relays . The maximum switching power can be 360VA / 90W . It can be controlled directly by the Arduino by means of digital IOs digital with external power of 9v . With integrated xbee socket and APC220 socket, it can be controlled wirelessly via Xbee / bluetooth / APC220 . Make it an ideal solution for home automation and robotics.

Sonoff BasicZBR3 is the first Sonoff ZigBee DIY smart switch that connects the SmartThings hub to control all devices connected via SmartThing APP on iOS / Android phones to access rooms, scenes, members or automations mode to build a smart home.