SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM industrial profile etc general purpose ferrous

profile etc general purpose ferrous thin tubing

Dispenser IT110804 or IT112459

6-Feet Durable Type C Cable: this cables with braided nylon can bear 10000 cycles of 90 degreen bending test

Dual frequency136-174/400-480MHz

SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM industrial profile etc general purpose ferrousSainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM Overview: This USB Relay Controller Data Acquisition Module allows computer controlled switching of external devices as well as full bi directional communication with the external world (ideal for Data Acquisition applications) using the USB port of your computer. The controller is very flexible and can be used in many custom applications including weather