This is an intro of 8 channel RS-485 based DAQ & Relay Board Module from Iknowvations. These boards are best if you want to operate any electrical equipment by RS-485 bus. You can also have Data Acquisition from different sensors like Temperature, Pressure, light sensors etc. Best for home and industrial automation.
You can use it with any microcontrollers like AVR, PIC, 8051 or ARM.
For more information please visit http://iknowvations.in.
You can also buy these 8 channel Relay boards modules from http://shoppee.iknowvations.in