Flutter Morse Code Card with Dot Dash Timing Signal Strip
A Morse code keyer card for learning and ham radio apps: HELLO spelled with dot and dash pills under each letter, a 49 unit signal strip drawn to scale with on marks and letter gaps, the four timing rules for dots, dashes, letter gaps and word gaps, and a key button.
by Anılcan Çakır
189 views
0 stars
3 weeks ago
Rev 1
main.dart
WDiv(
className: 'w-[340px] rounded-3xl bg-white dark:bg-gray-900 border border-gray-200 dark:border-gray-800 p-5 flex flex-col shadow-xl',
children: [
WDiv(
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children: [
WDiv(
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WDiv(
className: 'flex flex-row items-center justify-center w-10 h-10 rounded-xl bg-emerald-600 dark:bg-emerald-500',
child: WIcon(
Icons.volume_up,
className: 'text-white text-xl'
)
),
WDiv(
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children: [
WText(
'Morse Keyer',
className: 'text-base font-bold text-gray-900 dark:text-white'
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WText(
'International code',
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WDiv(
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'49 units',
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WDiv(
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WDiv(
className: 'flex flex-col items-center',
children: [
WText(
'H',
className: 'text-2xl font-bold text-gray-900 dark:text-white'
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WDiv(
className: 'flex flex-row items-center gap-[3px] h-[10px] mt-1',
children: [
WDiv(
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WDiv(
className: 'w-[6px] h-[6px] rounded-full bg-emerald-600 dark:bg-emerald-400'
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WDiv(
className: 'w-[6px] h-[6px] rounded-full bg-emerald-600 dark:bg-emerald-400'
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WDiv(
className: 'w-[6px] h-[6px] rounded-full bg-emerald-600 dark:bg-emerald-400'
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]
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]
),
WDiv(
className: 'flex flex-col items-center',
children: [
WText(
'E',
className: 'text-2xl font-bold text-gray-900 dark:text-white'
),
WDiv(
className: 'flex flex-row items-center gap-[3px] h-[10px] mt-1',
children: [
WDiv(
className: 'w-[6px] h-[6px] rounded-full bg-emerald-600 dark:bg-emerald-400'
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]
),
WDiv(
className: 'flex flex-col items-center',
children: [
WText(
'L',
className: 'text-2xl font-bold text-gray-900 dark:text-white'
),
WDiv(
className: 'flex flex-row items-center gap-[3px] h-[10px] mt-1',
children: [
WDiv(
className: 'w-[6px] h-[6px] rounded-full bg-emerald-600 dark:bg-emerald-400'
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WDiv(
className: 'w-[16px] h-[6px] rounded-full bg-emerald-600 dark:bg-emerald-400'
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WDiv(
className: 'w-[6px] h-[6px] rounded-full bg-emerald-600 dark:bg-emerald-400'
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WDiv(
className: 'w-[6px] h-[6px] rounded-full bg-emerald-600 dark:bg-emerald-400'
),
]
),
]
),
WDiv(
className: 'flex flex-col items-center',
children: [
WText(
'L',
className: 'text-2xl font-bold text-gray-900 dark:text-white'
),
WDiv(
className: 'flex flex-row items-center gap-[3px] h-[10px] mt-1',
children: [
WDiv(
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WDiv(
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WDiv(
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WDiv(
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]
),
WDiv(
className: 'flex flex-col items-center',
children: [
WText(
'O',
className: 'text-2xl font-bold text-gray-900 dark:text-white'
),
WDiv(
className: 'flex flex-row items-center gap-[3px] h-[10px] mt-1',
children: [
WDiv(
className: 'w-[16px] h-[6px] rounded-full bg-emerald-600 dark:bg-emerald-400'
),
WDiv(
className: 'w-[16px] h-[6px] rounded-full bg-emerald-600 dark:bg-emerald-400'
),
WDiv(
className: 'w-[16px] h-[6px] rounded-full bg-emerald-600 dark:bg-emerald-400'
),
]
),
]
),
]
),
WDiv(
className: 'flex flex-row items-center justify-between w-full mt-4',
children: [
WText(
'Signal',
className: 'text-xs font-semibold text-gray-900 dark:text-white'
),
WText(
'Dot = 1 unit',
className: 'text-[11px] text-gray-400 dark:text-gray-500'
),
]
),
WDiv(
className: 'flex flex-row items-center justify-center w-full mt-2 rounded-xl bg-slate-900 dark:bg-slate-950 py-3',
child: WDiv(
className: 'relative w-[245px] h-[52px]',
children: [
WDiv(
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WDiv(
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WDiv(
className: 'absolute left-[10px] top-[4px] w-[5px] h-[26px] rounded-[2px] bg-emerald-400 dark:bg-emerald-400'
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WDiv(
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WDiv(
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WDiv(
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WDiv(
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),
WDiv(
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),
WDiv(
className: 'absolute left-[100px] top-[4px] w-[5px] h-[26px] rounded-[2px] bg-emerald-400 dark:bg-emerald-400'
),
WDiv(
className: 'absolute left-[110px] top-[4px] w-[5px] h-[26px] rounded-[2px] bg-emerald-400 dark:bg-emerald-400'
),
WDiv(
className: 'absolute left-[130px] top-[4px] w-[5px] h-[26px] rounded-[2px] bg-emerald-400 dark:bg-emerald-400'
),
WDiv(
className: 'absolute left-[140px] top-[4px] w-[15px] h-[26px] rounded-[2px] bg-emerald-400 dark:bg-emerald-400'
),
WDiv(
className: 'absolute left-[160px] top-[4px] w-[5px] h-[26px] rounded-[2px] bg-emerald-400 dark:bg-emerald-400'
),
WDiv(
className: 'absolute left-[170px] top-[4px] w-[5px] h-[26px] rounded-[2px] bg-emerald-400 dark:bg-emerald-400'
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WDiv(
className: 'absolute left-[190px] top-[4px] w-[15px] h-[26px] rounded-[2px] bg-emerald-400 dark:bg-emerald-400'
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WDiv(
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),
WDiv(
className: 'absolute left-[230px] top-[4px] w-[15px] h-[26px] rounded-[2px] bg-emerald-400 dark:bg-emerald-400'
),
WText(
'H',
className: 'absolute left-[0px] top-[36px] w-[35px] text-center text-[11px] font-semibold text-slate-400 dark:text-slate-400'
),
WText(
'E',
className: 'absolute left-[50px] top-[36px] w-[5px] text-center text-[11px] font-semibold text-slate-400 dark:text-slate-400'
),
WText(
'L',
className: 'absolute left-[70px] top-[36px] w-[45px] text-center text-[11px] font-semibold text-slate-400 dark:text-slate-400'
),
WText(
'L',
className: 'absolute left-[130px] top-[36px] w-[45px] text-center text-[11px] font-semibold text-slate-400 dark:text-slate-400'
),
WText(
'O',
className: 'absolute left-[190px] top-[36px] w-[55px] text-center text-[11px] font-semibold text-slate-400 dark:text-slate-400'
),
]
)
),
WDiv(
className: 'flex flex-row gap-2 w-full mt-4',
children: [
WDiv(
className: 'flex flex-col items-center w-[68px] rounded-xl border border-gray-200 dark:border-gray-700 py-2',
children: [
WText(
'1',
className: 'text-lg font-bold text-gray-900 dark:text-white'
),
WText(
'Dot',
className: 'text-[10px] text-gray-500 dark:text-gray-400'
),
]
),
WDiv(
className: 'flex flex-col items-center w-[68px] rounded-xl border border-gray-200 dark:border-gray-700 py-2',
children: [
WText(
'3',
className: 'text-lg font-bold text-gray-900 dark:text-white'
),
WText(
'Dash',
className: 'text-[10px] text-gray-500 dark:text-gray-400'
),
]
),
WDiv(
className: 'flex flex-col items-center w-[68px] rounded-xl border border-gray-200 dark:border-gray-700 py-2',
children: [
WText(
'3',
className: 'text-lg font-bold text-gray-900 dark:text-white'
),
WText(
'Letter gap',
className: 'text-[10px] text-gray-500 dark:text-gray-400'
),
]
),
WDiv(
className: 'flex flex-col items-center w-[68px] rounded-xl border border-gray-200 dark:border-gray-700 py-2',
children: [
WText(
'7',
className: 'text-lg font-bold text-gray-900 dark:text-white'
),
WText(
'Word gap',
className: 'text-[10px] text-gray-500 dark:text-gray-400'
),
]
),
]
),
WText(
'Every timing is a multiple of one dot.',
className: 'text-xs text-gray-500 dark:text-gray-400 mt-3'
),
WDiv(
className: 'w-full mt-4',
child: WButton(
className: 'w-full rounded-2xl bg-emerald-600 dark:bg-emerald-500 py-3 flex flex-row items-center justify-center gap-2',
child: WText(
'Key HELLO',
className: 'text-sm font-semibold text-white'
)
)
),
]
)
Stats
- Views
- 189
- Stars
- 0
- Revisions
- 1
- Size
- 12,044 chars
- Created
- Oct 8, 2026