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This is USB controlled relay module with 4 relays SRD-12VDC-SL-C. You may use it for simple ON/OFF switching electrical devices - home lights, DC motors, solenodis and others. It may help you building projects like robotics and home automation. Each such board requires one USB port. The more USB ports you have the more Relay boards you may connect. You may use it with our software –DRM Softwar(universal software for all our relay boards). If you are developer and need software example, please look at ：（http://www.ftdichip.com/Support/SoftwareExamples/CodeExamples.htm）or contact with us. We have Windows examples for VB6, BCB6, Java (netbeans), VB.NET 2010 Express, C++.NET 2010 Express
 
Features
4 SPDT relays SRD-12VDC-SL-C/ SRD-05VDC-SL-C
Relay specification – 10A 250VAC/10A 125VAC/10A 30VDC /10A 28VDC
Power Supply - 12 VDC /5VDC
Current consumption - 200 mA
FT245RL. Datasheet –(http://www.ftdichip.com/)
Led for each relay output
Power Led
USb led
Size - 101*40*16mm
Supported by our Software
Windows software examples: VB6, BCB6, Java (netbeans), VB.NET 2010 Express, C++.NET 2010 Express
PCB parameters: FR4 / 1.5mm / two layers / metalized holes / HAL / white stamp / solder mask
Extra PCB openings for better voltage isolation
Doubled high current tracks
Important
 
When the board is connected to the PC and the PC is restarted, the relays will be toggled several times. This is because of the structure of the FTDI chip.
The device must be supplied with 12 VDC/5VDC or order to work.
There is no protection against reversed voltage! If the VCC(+12V) and GND are reversed the board will be damaged!
The board can not work without computer
 
 
Supply characteristics
 
Type
 
 
 
 
 
SRD-12VDC-SL-C
 
Recommend voltage
 
 
 
VDC
 
12
 
Voltage limits
 
Including ripple
 
VDC
 
11...14.4
 
Nominal input current
 
Voltage 12VDC
 
mA
 
300
 
Power dissipated
 
When all relays are ON
 
W
 
3.6
 
Protection
 
Against reverse polarity
 
 
 
None
 
Relay output
 
Type
 
 
 
 
 
12V
 
Relay type
 
 
 
 
 
T73
 
Relay outputs count
 
 
 
 
 
4
 
Contact type
 
 
 
 
 
NO, NC
 
Current consumption
 
12 VDC
 
mA
 
30
 
Switching parameters
 
220VAC
 
125 VAC / 28 VDC
 
250 VAC
 
A
 
A
 
A
 
10
 
10
 
10
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We provide airmail service with good package . The items will be shipped within the nest

2 business days after we received the payment . when you buy multiple items ,your shipping

cost will be combined with discount .

SHIPPING TIME (weekends/holidays excluded)

    
   

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Shipping Time

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Spanish/Portugue

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Italy

10-30d

    

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10 -15d

West Asia/Middle East

15-25d

    

Most Country of West/North Europe

10-20d

South America and Africa

15-30d

    

East /Middle Europe/Russia

10-25d

      

 

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