Beacon acts as a visual or/and audible morse beacon. When called with an empty query string, this page will show this usage.
Beacon accepts the following query string parameters, of which only m (message) is required:
| Parameter | Meaning | Default | Remarks |
|---|---|---|---|
m |
Message (a..z, 0..9) | (none) | A message is required and no default is provided |
a |
Enable audio signal | 0 | |
v |
Enable video signal | 1 | |
t |
Dot (or "dit") length in milliseconds | 50 | Dash (or "dah") length is three dot lengths; gap between dots and dashes is one dot; gap between letters is three dots; gap between words is seven dots; see Wikipedia |
f |
Audio signal frequency in hertz | 700 | |
c |
Video signal color as a (hex) RGB value | ffffff |
Silently morse the message "I AM THE WALRUS":
?m=i%20am%20the%20walrus
Use green signal color:
?m=i%20am%20the%20walrus&c=00ff00
Same message, this time also beep:
?m=i%20am%20the%20walrus&a=1
Lower audio pitch:
?m=i%20am%20the%20walrus&a=1&f=600