Retro vintage led watch, bubble display from 1970 Year

This firmware demonstration. Check my stores for new models.

https://www.tindie.com/stores/bobricius/
http://www.ebay.com/sch/bobricius76/m.html
https://www.etsy.com/shop/Bobricius
FEATURES:

display QDSP - 6064 or any 12pin display, matrix or segment (configurable pinout)
DS3231 precise clock
Atmega328
Temperature sensor
All important communication signals on headers
Arduino compatible
LIR2032 CHARGER micro usb for charging
Speech time output (talkie library) very low volume on this smd speaker (experimental function)
FUNCTIONS

time
date
seconds
day of week automatically calculated
day in year
week in year
max. days in actual month
temperature CPU
temperature RTC
RTC DS3231 or can work without RTC in timer2 in async mode, automatically detected at startup
battery voltage
RTTTL melody player with nice PWM tones with envelope
Alarm 1, configurable time, date, days in week
Alarm 2, configurable minute, hourly beep or time talk
sunset time for selected earth position and date
sunrise time for selected earth position and date
moon phase
IIC scaner, list address of connected I2C devices

Видео Retro vintage led watch, bubble display from 1970 Year канала Bobricius