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USB 8 Channel Relay Board-FT245RL

USB 8 Channel Relay Board-FT245RL

USB 8 Channel Relay Board FT245RL is controlled by computer USB port. The USB Relay Board is with 8 SPDT relays rated up to 7A each. You may control devices 230V / 120V (up to 8) directly with one such relay unit. Suitable for home automation applications, hobby projects, industrial automation. 

Order Code : RDL/8RB/14/001/V2.0

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Questions:

19
votes
Q: Dear Sir, Requesting you to share the VB.net code for relay on/off.
1
Answer
Posted by qwtrwy, Wednesday, 24 December 2014 on product USB 8 Channel Relay Board-FT245RL
  • 0
    vote
    A:

    onbyte=0x00

    Relay 1 On

    onbyte=onbyte or 0x01

    serialport.write(onbyte)

     

    Relay 1 off

    onbyte=onbyte And 0XFE

    serialport.write(onbyte)

     

    relay 2 On
    OnByte = OnByte Or 0x02
    serialport.write(onbyte)

     

    relay 2 off
    OnByte = OnByte And 0xFD
    serialport.write(onbyte)

     

    relay3 on
    OnByte = OnByte Or 0x04
    serialport.write(onbyte)

     

    relay3 off
    OnByte = OnByte And 0xFB
    serialport.write(onbyte)

     

    relay 4 On

    OnByte= OnByte Or 0x08
    serialport.write(onbyte)

     

    relay 4 off

    OnByte = OnByte And 0xF7
    serialport.write(onbyte)

     


    relay 5 On

    OnByte = OnByte Or 0x10
    serialport.write(onbyte)

     

     

    relay 5 off
    OnByte = OnByte And 0xEF

    serialport.write(onbyte)

     

    relay 6 0n
    OnByte = OnByte Or 0x20

    serialport.write(onbyte)


    relay 6 0ff
    OnByte = OnByte And 0xDF

    serialport.write(onbyte)


    relay 7 on
    OnByte = OnByte Or 0x40
    serialport.write(onbyte)


    relay 7 off

    OnByte = OnByte And 0xBF

    serialport.write(onbyte)


    relay 8 on
    OnByte = OnByte Or 0x80

    serialport.write(onbyte)


    relay 8 off
    OnByte = OnByte And 0x7F

    serialport.write(onbyte)

     

     

     

    Posted by Dipti Divakar on Wednesday, 24 December 2014
6
votes
Q: Hello, We are controlling this module through LabVIEW. The module doesn't initialise till FT245RL Utility is opened and closed. Is there any way to directly intialize though labview without opening the utility each time?
1
Answer
Posted by Sudeshna, Tuesday, 31 October 2017 on product USB 8 Channel Relay Board-FT245RL
  • 0
    vote
    A:

    Dear Sir,

    Greetings From RDL!!!

    We have mailed you the initialization file to your personal email address.

    Posted by Raghavendra Shetty on Tuesday, 31 October 2017
3
votes
Q: ft245rl board, can i interface music to control the relays
1
Answer
Posted by JAMES SIELAFF, Friday, 28 December 2018 on product USB 8 Channel Relay Board-FT245RL
  • 0
    vote
    A:

    No sir. You can send only commands to control the relays.

    Posted by Raghavendra Shetty on Friday, 28 December 2018
3
votes
Q: I recently bought this item, the sample application Code does not work similarly like your utility does. 1) When i turn on one channel and send command to on second, it turn off the first one an on Second one. 2)sending the command to off one channel it off that channel and on all other channel can you share your utility code or provide some input to handle above situations?
1
Answer
Posted by Mahesh, Wednesday, 19 April 2017 on product USB 8 Channel Relay Board-FT245RL
  • 0
    vote
    A:

    Dear Sir/Madam,

    We have sent the sample code to your personal Email ID.

    Posted by Vikhitha Shetty on Wednesday, 19 April 2017
2
votes
Q: I have "USB 4 Channel Relay Board-FT245RL" relay board got it from you. I was using it with "FT245RL Utility" on windows laptop. I wanted to control the same with Linux PC running Ubuntu. I have tried with the steps/instructions mentioned in Raspberry Pi usage. I couldn't succeed. Do you have any utility or info on the steps to be followed to control this from Linux PC with Ubuntu ?
1
Answer
Posted by Shravya, Monday, 9 March 2020 on product USB 8 Channel Relay Board-FT245RL
  • 0
    vote
    A:

    Refer following link to install pylibftdi library https://pylibftdi.readthedocs.io/en/0.15.0/quickstart.html Please find the attached python code to interface FT245RL relay with Linux Refer to the steps mentioned in the attached document to control the relay through python script in windows. The python script is also attached with this mail.

    Documents:

    Python Code

    STEPS

    Posted by Raghavendra Shetty on Monday, 9 March 2020
2
votes
Q: I bought this board Rdl USB 8 Channel Relay Board . Which power supply should I use? . Can you send me link>?
2
Answers
Posted by Rahul Chimanbhai Mehta, Monday, 25 November 2019 on product USB 8 Channel Relay Board-FT245RL
  • 0
    vote
    A:

    You can use 12V 2A Dc adapter.

    Posted by Raghavendra Shetty on Wednesday, 28 August 2019
  • 0
    vote
    A:

    You can use 12VDC 2AMP

    Please go through the below link for more information

    https://researchdesignlab.com/usb-8-channel-relay-board.html

    Posted by Dhanya Shetty on Monday, 25 November 2019
1
vote
Q: Hi, I have purchased the Relay for my project but as per requirement i need to automate it with the help of python script. But i am finding it difficult in finding the commands which will make the relay to get ON and OFF. so could you please help with the commands used in switching ON and OFF. so that i will try to access with help of serial port in python and complete my requirement.
1
Answer
Posted by Y. P. Sairam reddy, Tuesday, 3 May 2022 on product USB 8 Channel Relay Board-FT245RL
  • 0
    vote
    A: Hello Commands are as below. 1N 1F 2N 2F 3N 3F 4N 4F
    Posted by Raghavendra Shetty on Friday, 11 March 2022

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