93% of 100
Price $6.99



  • Simple relay magnetic circuit to meet the low cost of mass production.
  • Switching capacity available by 10A in spite of small size design for high-density P.C. board mounting technique.
  • UL,CUL,TUV recognized.
  • Selection of plastic material for high temperature and better chemical solution performance.
  • Sealed types are available.

Perfect used for domestic appliance, office machine, audio, equipment, automobile, etc. (Remote control TV receiver, monitor display, Audio,Raspberry Pi equipment high rushing current use application)


  • 5V 2-Channel Relay interface board, and each one needs 15-20mA Driver Current
  • Equipped with high-current relay, AC250V 10A ; DC30V 10A
  • Standard interface that can be controlled directly by microcontroller (Arduino, Raspberry Pi, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
  • Indication LED's for Relay output status
  • Size: 50.5mm(L) x 38.5mm(W) x 18.5mm(H)(1.99inch x 1.54inch x 0.73inch)


Product discription

Product Name : 2-Channel Relay Module; Output Channel : 2
Power Supply : 5V;Load Voltage : AC250V 10A,DC30V 10A
Total Size : 50.5mm(L) x 38.5mm(W) x 18.5mm(H) (1.99 x 1.54x 0.73)inch
Material : Electric Part
Package Content : 1 x 2-Channel Relay Module

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    Relay Energizes on Ground (0V) Signal and general dimensions
    4 Stars for: lack of documentation, general OK build quality, and good price. Would Buy Again. Good product for quick deployment to switch a simple load on/off with a PIC micro-controller. Note that a 0V / GND Signal into any input on the relay board will energize / activate the relay, while a 5V signal will de-energize the relay. Relays listed for 30VDC / 125-250VAC both at 10A, but id never trust something with tiny screw terminals to that extent. There is a set of "VCC / GND" JumperRead mores on the board. I believe this is used to bridge the circuit from the optocoupler output stage to the to use the optocoupler input voltage. You could probably remove this jumper if you want to isolate the power supplies, but I did not test this. Moving the jumper over 1 position just shorts out the board ;). Lastly, attached some general dimensions of the unit if you're building an enclosure or mount for it.

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