CLK036
GEKCO INC.
Rev 1.0
3
1.
Introduction
The Digital Clock Model CLK056 was designed to fill the need for an accurate digital clock with the
capabilities of two time zone displays in a compact format.
This clock has 6 digits for hours, minutes and seconds and the hours display can alternate between
two time zones, i.e. Coordinated Universal Time (UTC) and local time.
The CLK056 is offered in kit form or fully assembled and tested. The kit is very easy to assemble with
no surface mount parts.
This step by step manual will guide you through the process to complete the assembly and testing of
the model CLK056 Digital Clock. The manual was designed so a total beginner in electronics can be
successful but the more experienced builder can skip any unnecessary information. Also this design is
fully open source for both the hardware and firmware. There are full schematics and pictorial diagrams
of the hardware, also there are links and flowcharts of the firmware microcontroller code.
2.
Operational Summary
The Model CLK036 has 8 digits of seven segment displays to display time zone one HOURS (UTC),
time zone 2 HOURS (local), MINUTES and SECONDS.
The eight digit display provides two time zones Hours, Hours, Minutes and Seconds
The display LEDs are high contrast red, 0.36 inch character height
Adjustable display brightness
Local hours can be set for 12 or 24 hour mode
Very accurate Real Time Clock (RTC) with battery backup
Powered by a U.L. listed 5 VDC wall adapter
Size: 4.16 x 2.35 x 1.46 inches (Width x Height x Depth)
Weight: 0.30 pounds
