4 Channel Relay Module DC5V Relay Control Board With Optocoupler For Arduino PIC ARM DSP AVR Raspberry Pi

4 Channel Relay Module DC5V Relay Control Board With Optocoupler For Arduino PIC ARM DSP AVR Raspberry Pi
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sku: 32749656890
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$2.19
Shipping from: China
   Technical Details
Brand Name: NIUEWISX
Contact Load: Low Power
Model Number: 4 channel relay module
Power Source: DC
Protect Feature: Sealed
Size: Miniature
Theory: Voltage Relay
Usage: General Purpose
Voltage: 5V
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