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

Description Name Big screen voice clock production kitFunctional characteristics stc single chip computer 8025 voice playback1 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 5°C 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 180x82x25mmWeight with case 295gWorking voltage 5V powered by mobile phone charger and Android data cable power bank usb port SPackage included 1 x clock production kit