Large-screen Voice Clock Kit High-precision Clock Electronic DIY Welding Training Kit

Description
Name:Big screen voice clock production kit
Functional characteristics:stc single-chip computer +8025+ voice playback
1. Simultaneously display the current date, week, time and temperature for easy viewing.
2. Large-size digital tube display (date, week 0.8 inches; time 1.0 inches; temperature 0.56 inches).
3. Time and temperature precision
The time IC uses RX-8025AC, with a built-in frequency adjustment 32.768khz crystal oscillator ÷5*10-6.
The temperature IC is DS18B20 with an error of 0.5C. Positive and negative temperature display, positive temperature display accuracy is 0.1→, negative temperature display accuracy is 1→.
4. Gregorian calendar and lunar calendar display and switch automatically (10s).
5. Voice timekeeping function (automatic timekeeping on the hour, manual timekeeping by pressing the button).
6. Hourly timekeeping function:the hourly timekeeping function can be turned on and off.
7. Alarm clock function:turn on and off the alarm clock function.
8. Countdown function (maximum countdown time 99 hours 99 minutes 250 seconds)
9. Brightness automatic adjustment function (from 7 am to 9 pm, daytime brightness; 10 pm to 6 am, night brightness)
Without shell size:180mm *26mm * 80mm(length* wide *high)
With shell size:180x82x25mm
Weight with case:295g
Working voltage:5V (powered by mobile phone charger and Android data cable, power bank, usb port)
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Package included
1 x clock production kit