NAME
usbrelay - control or query USB HID relays
SYNOPSIS
usbrelay [OPTION...] [ACTION...]
DESCRIPTION
usbrelay allows for querying and setting the state of USB HID electrical relays. If no ACTION is passed, the state of all relays is printed to stdout. RELID_N=[0|1] sets the N-th relay on module RELID to off or on.
Multiple actions can be performed with one command
eg:
usbrelay REL0A_1=0 REL0A_2=1 REL0B_2=0...
The Relay module ID can be changed on DCTTECH relays: RELID_0=NEWID sets the relay RELID to NEWID
OPTIONS
- -d, --debug
-
Produce debugging output
- -q, --quiet
-
Suppress output
- -?, --help
-
Print the help menu
- --usage
-
Print a usage description
- -V, --version
-
Print the program version
SEE ALSO
/usr/share/doc/usbrelay/README.md.gz