EC1621 Rotation LED Electronic Clock

Feature

• PCB parameter: 110.4 x 34 x 1.6mm (Blue)
• Parameter with case: 122.8 x 51.4 x 29mm
• Digital Tube working voltage: DC 5V
• Operating Current: around 50MA

Function

• Exact timing: Adopts DS3231 chips, official said the accuracy comes to 2PPM.
• Chime on every hour: User can set the hour time randomly and choose the ring you like.
• Dual Alarm clock: Dual independent alarm clock, user can set the duration and ring.
• Temperature: It has the Centigrade and the Fahrenheit, which can be calibrated.
• Intelligent light control: It can lower the brightness when gets dark, user can set the light control level (total 5 level) according to preferences.
• 12-hour/ 24-hour display
• Display by circle: The Time, Tempreture, Date and Week display in circle. It only shows time when you close the circle display.

Packing List

• 1 x Battery Holder
• 1 x Battery
• 1 x Capacitor(Cap3)
• 2 x Capacitor(104)
• 4 x nixie tube
• 1 x Loudspeaker
• 1 x PNP transister
• 8 x Resistor(470R)
• 5 x Resistor(20K)
• 1 x photoresistor
• 1 x thermistor
• 2 x switch
• 1 x MCU
• 1 x 28 PIN holder
• 1 x RTC IC
• 1 x USB seat
• 1 x Power line
• 1 x PCB Board

Clock Setting

Document

• File:Components-List.zip
• File:DS3231.zip
• File:EC1621 Component List.pdf
• File:EC1621A V0 Principle Diagram.pdf
• File:MF58 503J3950.zip
• File:Schematic-Diagram.zip