SYMBOL FOR DEVICE CONTROL ONE U+2411

BlockControl Pictures
CategoryOther Symbol
UTF-80xE2 0x90 0x91
UTF-160xFF 0xFE 0x11 0x24
UTF-320xFF 0xFE 0x0 0x0 0x11 0x24 0x0 0x0
HTML␑
Pythonu"\u2411"