Geekcreit® Fourth Generation DIY EC1838B DS3231 Light Control Rotation LED Electronic Clock Kit Music Alarm Clock With H

Features 1 Digital tube displays time temperature date2 13 kinds of LED seconds display3 4 independent alarm clocks alarm mode can be set4 DS3231 clock chip5 Time setting can be saved after power down6 Speaker sound output7 Volume is adjustable8 Chinese and English voice time9 Boot music10 Celsius or Fahrenheit shows temperature11 Temperature calibration12 100 level automatic brightness13 100 level brightness setting is adjustable14 12 24 hour system setting15 Working voltage DC5V16 PCB board size 81x81mm17 With housing size 93x93x26mm18 Manual Download here Description Comparison and improvement of the fourth generation electronic clock and the third generation function 1 The color of the PCB board is purple The third generation PCB board is black 2 Increase the pronunciation of Chinese and English voices and report the temperature The third generation can t voice the time report temperature 3 The DS3231 or DS1032 can be selected as the clock chip Here it is DS3231 Chip The third generation of clock chips are fixed using the DS1302 4 the brightness has 100 levels adjustable The third generation electronic clock brightness is adjusted to 5 levels 5 There is clock calibration function The third generation electronic clock has no clock calibration function 6 you can change the alarm ringtones The third generation electronic clock can t change the ringtone 7 4 alarm clock can be set independently alarm mode The third generation electr