Relay board have an option to change the ID (from ID 01 to ID 15) manually through a DIP Switch placed near power connector.
The complete includes:
- One RF433MHz 8 Relay board (12V)
- One Rotating Rubber Antenna
12VDC / minimum 600 mA.
(Relays OFF) - 21 mA
One Relay ON - 57 mA
Two Relays ON - 91mA
All Relays ON - 300 mA
- Each relay has an LED to indicate when it is operated.
- Relay outputs can be used to turn ON/OFF lights, motors and other devices.
Relays have Normally Open (NO) and Normally Closed (NC) Contacts
each capable of switching max:
FIRST chanel commands:
OFF command : FF 01 00 (HEX) or 255 1 0 (DEC)
ON command : FF 01 01 (HEX) or 255 1 1 (DEC)
EIGHT chanel commands:
OFF command : FF 08 00 (HEX) or 255 8 0 (DEC)
ON command : FF 08 01 (HEX) or 255 8 1 (DEC)
Status read (ID01):
FF A1 00 - Status request command
> FF A1 xx xx xx xx xx xx xx xx - Reply from relay where xx is status: 01 - Relay is ON, 00 - Relay is OFF
First byte is status first relay, Eight byte is status eight relay
Full list of commands:
Create your own label, use your company name or logo
How to control USB relays - Windows Shortcut example, Windows Command Line example, Macintosh example, Abacom ProfiLAB example, Sample Visual Basic code, Sample C# code, Sample PHP files and more