Arduino Clock using tinygo

main.go

package main

import (
	"machine"
	"time"
)

var (
	hour uint8 = 6
	min  uint8 = 48
)

func main() {
	hours := map[uint8]machine.Pin{
		1: machine.D2,
		2: machine.D3,
		4: machine.D4,
		8: machine.D5,
	}
	mins := map[uint8]machine.Pin{
		1: machine.D7,
		2: machine.D8,
		4: machine.D9,
		8: machine.D11,
	}
	for _, led := range hours {
		led.Configure(machine.PinConfig{Mode: machine.PinOutput})
	}
	for _, led := range mins {
		led.Configure(machine.PinConfig{Mode: machine.PinOutput})
	}

	for {
		for k, v := range mins {
			m := uint8(min / 5)
			v.Set(m&k != 0)
		}
		for k, v := range hours {
			v.Set(hour&k != 0)
		}

		time.Sleep(time.Minute)
		min++

		if min == 60 {
			hour++
			min = 0
		}
		if hour == 13 {
			hour = 1
		}
	}
}