4-Digit Digital Electronic Clock Single Chip Digital Clock Four-Digit Digital Clock DIY Electronic Production Kit Parts

4-Digit Digital Electronic Clock Single Chip Digital Clock DIY Electronic Production Kit Parts

(Description in Chinese and English for Details)

Description in Chinese:

The SCM Program in This Kit Has Been Written, and No Source Code Or Program Is Provided.

Four-Bit Electronic Clock Kit Based on the 89c2051

Power Supply Voltage: 3V-5V Recommend: 5V Travel Time Is Relatively Accurate

PCB Size: 52mm Long * 42mm Wide

Functions:

1. Second Correction (for Accurate Calibration)

2. You Can Switch to the Minute Independent Display Interface.

3. Hourly Chiming (8-20 Points Hourly Chiming 3 Seconds, Can Be Closed)

4. Two-Way Alarm Clock Setting (Alarm Clock Function Can Be Turned off)

Kit Features:

a. Use 0.56-Inch Clock Dedicated Red Nixie Tube for Display;

B. The Main Control Chip of the Imported 89c2051;

C.1.2mm Thick PCB Is Made of Military Grade FR-4 Plate;

D. Accurate Travel Time. the Travel Time Error Range Is-1 to 1 Second Every 24 Hours.

Operation Instructions：
When the Power-on Display Is 12:59, the Default Two Alarm Clocks Are Enabled and the First Alarm Clock Is Set at 13:01; the Second Alarm Clock Is Set at 13:02.
after Power on, Press S2 Briefly to Switch between the Time Travel Interface and the Minute Travel Interface; Press S1 for a Long Time to Enter the System Menu Settings. There Are a, B, C, D, E, F, G, H, I Nine Sub-Menus, Short Press S1 Sub-Menu plus 1, and Finally Return to the Travel Time Interface.
AWhen the Sub-Menu Is Corrected, Press S2 to Add 1 up. after Adjusting, Press S1 to Save and Exit the Sub-Menu to Enter the B Sub-Menu.

Bto Correct the Submenu for Minutes, Press S2 to Add 1 up. after Adjusting, Press S1 to Save and Exit the Submenu to Enter the C Submenu.

CSubmenu Hourly Chiming Switch, Default Status Is on (8 Points to 20 Points Hourly Chiming on) Press S2 to on and off (off
Switch between Closed Hourly Chiming); after Adjusting, Press S1 to Save and Exit the Book Submenu to Enter the D Submenu.

DThe First Alarm Clock Switch in the Submenu. the Default Status Is on (the First Alarm Clock Is on). Press S2 to Turn on and off (Turn off the First Alarm Clock
Switch between Clocks. If It Is Set to on, Press S1 to Save and Exit the Book Submenu to Enter the E Submenu; If
Set to off. Press S1 to Save and Exit, Then Go to the G Submenu Directly.

ESet the First Alarm Clock Hour in the Submenu, Press S2 to Add 1 up; after Adjustment, Press S1 to Save and Exit the Submenu to Enter the F Submenu.

FSet the First Alarm Clock Minute in the Submenu, Press S2 to Add 1 up; after Adjusting, Press S1 to Save and Exit the Submenu to Enter the G Submenu.

GThe Second Alarm Clock Switch in the Submenu. the Default Status Is on (the Second Alarm Clock Is on). Press S2 to Turn on and off (Turn off the Second Alarm Clock
Switch between Clocks. If It Is Set to on, Press S1 to Save and Exit the Book Submenu to Enter the H Submenu;
If It Is Set to off, Press S1 to Save and Exit, Then Return to the Travel Time Interface Directly.

HSet the Second Alarm Clock Hour in the Submenu, Press S2 to Add 1 up; after Adjustment, Press S1 to Save and Exit the Submenu to Enter the I Submenu.

ISet the Second Alarm Clock Minute in the Submenu, Press S2 to Add 1 up; after Adjustment, Press S1 to Save and Exit the Submenu to Enter the J Menu.

JAdjust the Speed of the Sub-Menu Clock. Press S2 to Add 1 up, with a Total of 9 One Gears. the Larger the Number, the Faster the Clock Goes. after Adjustment, Press S1 to Save and Exit, and Enter the Travel Time Interface.

Correction of Time Seconds:On the Travel Time Interface, Press S2 to Enter the Minutes and Seconds Display Interface. Press S2 for a Long Time to Return the Second to Zero, and Then Press S2 Twice to Check Whether the Current Second Is on Time.

Description in English:

AT89C2051-based of four electronic clock kit

Kit Model: YSZ-4

   Supply voltage: 3V-6V

PCB size: 52mm * wide 42mm

   Function:

   1. Seconds correction (for precise School)

   2. Switch to every minute independent display interface

   3. whole point of time (8-20 o\'clock chime can be turned off)

   4. Two alarm settings (you can turn off the alarm function)

   Kit Features:

   A. 0.56 inch special red digital clock for display;

   B. Import AT89C2051 for master chip;

   C.1.2mm thick PCB made from military grade FR-4 board;

   D. accurate travel time, travel time error range error -1 to 1 seconds every 24 hours.

   Package included:

100% Brand New

   1x Electronic Clock DIY Kits

   NOTE:

   This produce is DIY kits, not the end product! We don\'t provide technical assistance please make sure you are familiar with the product before purchasing.

Image Display: