Code point
U+2411
Glyph appearance depends on your fonts.
U+2411
SoU+2411 SYMBOL FOR DEVICE CONTROL ONE is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Control Pictures block.
Choose the representation you need, then copy its value.
U+2411
9233
␑
␑
E2 90 91
2411
00002411
%E2%90%91
\u2411
\u2411
\u2411
\2411