Hello,
If you do not know what Valkee is, http://www.valkee.com/uk/
The price is ~180 euros and it's basically just two leds, so I decided to build one my self.
I used 08 protoboard, old earphones and a battery case from DX.
Time and power can be adjusted with trimmers. When the time is up, it shut down the white power leds and makes a sound & lights a red led.
I know that sleep is not accurate, but I dont think you die or get cancer if you get few mins of extra light
(personally I don't think it has any effect, but this is now a big thing there and I made it for present). Two sleeps gives a time between 0-20 min, and official recommendation is 4-12 minutes.
I thought I had 08 chip, but it turned out to be 08m when I programmed the chip, therefore my piezo is not in the tune pin. It was not worth to resolder everything, eventhough it is the season
Thanks to PICAXE the project was again very easy.
I used 2k trimmers, but VSM only had 1k pots.
If you do not know what Valkee is, http://www.valkee.com/uk/
The price is ~180 euros and it's basically just two leds, so I decided to build one my self.
I used 08 protoboard, old earphones and a battery case from DX.
Time and power can be adjusted with trimmers. When the time is up, it shut down the white power leds and makes a sound & lights a red led.
I know that sleep is not accurate, but I dont think you die or get cancer if you get few mins of extra light
(personally I don't think it has any effect, but this is now a big thing there and I made it for present). Two sleeps gives a time between 0-20 min, and official recommendation is 4-12 minutes. I thought I had 08 chip, but it turned out to be 08m when I programmed the chip, therefore my piezo is not in the tune pin. It was not worth to resolder everything, eventhough it is the season
Thanks to PICAXE the project was again very easy.
I used 2k trimmers, but VSM only had 1k pots.
Code:
main:
let dirs = 00010101
'0 red led
'1 adcin
'2 white leds
'3 empty
'4 piezo
readadc 1,b0
high 2
sleep b0
sleep b0
low 2
high 0
sound 4,(120,50,80,50,120,50)
sleepp:
sleep 65535
goto sleepp