Features:
1.Multi functional Electric clock, which can set date/week/time/alarm clock/temperature;
2.A digital clock controlled by a microcontroller with a supply voltage of 5V DC;
3.Using a dedicated timing chip DS1302, it can display hours, minutes, seconds, months, days, and weeks. With temperature measurement, music alarm clock, hour reminder, and brightness control;
4.Four digit Nixie tube, control adjustment button, memory battery, all functions are realized by two user keys;
5.Paired with a USB to DC power cord, it is easy to use and installation instructions. There are four melodies to choose from for alarm music.

Parameters:
Name: Multifunctional Digital Clock
Circuit board size 73 * 26mm
Power supply voltage: DC 5V
Shell size: 73 * 34 * 22mm
MCU program: The program has been burned into the microcontroller
Function: Display of time on month, day, and week, alarm function, temperature measurement, hour reminder, brightness control, power outage memory
Usage: Desktop art accessories for home, school, and company use. Loose parts are used for electronic enthusiasts and practical training kits in universities and colleges.

Package include:
Color ring resistance 10K * 5
Color ring resistance 20K * 1
Color ring resistor 510 * 1
Ceramic capacitor 104 * 2
Ceramic capacitor 5P * 2
In line Electrolytic capacitor 100uF * 1
Photoresistor 5516 * 1
Thermistor 10K NTC glass seal * 1
Inline transistor 8550 * 1
Buzzer passive * 1
Four digit Nixie tube with second point 0.56 inch Gongyang * 1
Inline diode 1N4148 * 1
DC power socket 3.5 * 1.2 * 1
Button battery holder CR1220 * 1
Button battery: CR1220 * 1
Tap the button side press 6x6x5 * 2
Integrated circuit: STC15W404AS DIP20 * 1
Integrated circuit: DS1302 DIP8 * 1
IC seat 20P * 1
IC holder 8P * 1
Cylindrical crystal oscillator 32768 * 1
PCB PF-TJ-56-428 * 1

Attention:
Due to the variety of component styles and batch issues, the color of the components may not be the same, which does not affect their use. Mind taking photos with caution!