What can I use to supply power to this?

Using an old U.S.B. lead, cut off the plug that would normally go to your device, leaving the larger plug end intact. Strip back some of the insulation and just leave the red and black wires. Joint to the same colour of wire in the short lead from the kit. Insulate joints. On the P.C.B. do not fit the U2 voltage regulator (remove it if already fitted ). Just join the inner and outer mounting holes with wire from a cut off component lead. Plug your U.S.B. lead into the J2 input connector and use a 5 volt U.S.B. power from computer or adaptor, to power clock. Do not use a higher voltage. The other white socket next to the buzzer is for an alarm output to another device.

Does anyone know where you can get a case for this clock

You probably have to make one. I’ve not seen one.

Anyone else have theirs start smoking?

mine hasn't as of yet, what power source are you running through it?

Deliver to Armenia

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Gikfun DIY 6 Digit LED Digital Clock Kit - Electronics Project - Barebone PC Design - AT89C2051 MCU by Microchip Technology

Gikfun DIY 6 Digit LED Digital Clock Kit - Electronics Project - Barebone PC Design - AT89C2051 MCU by Microchip Technology

Product ID: 117957604

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Details

Brand
Gikfun
CPU speed
12 MHz
Graphics card description
Integrated
Specific uses for product
Education
Personal computer design type
Barebone
Screen size
3.68 Inches

🔢6-digit precision display

⏱️Multi-mode timer & alarm

⚙️AT89C2051 MCU @12MHz

Description

⏳ Build Time, Build Skills – Own the Clock, Own the Moment!

FUTURE READY LEARNING TOOL - Ideal for school projects or personal skill-building, bridging theory and practical electronics with real-world components.
VERSATILE FUNCTIONAL MODES - Countdown, stopwatch, hourly chime, and alarm functions let you customize your timing needs effortlessly.
COMPACT LIGHTWEIGHT DESIGN - At just 40g and 13x8x2 cm, this kit fits perfectly on your desk or project shelf without clutter.
PRECISION TIMEKEEPING MASTERY - Experience exact 24-hour format with second-level accuracy powered by the Microchip AT89C2051 MCU.
HANDS ON ELECTRONICS EXPERTISE - Step-by-step English manual with circuit diagrams makes soldering and assembly a breeze for aspiring pros.

The Gikfun DIY 6 Digit LED Digital Clock Kit features a 6-digit LED display driven by a Microchip AT89C2051 MCU running at 12 MHz. Designed for electronics enthusiasts and students, it offers precise 24-hour timekeeping with second correction, plus countdown, stopwatch, hourly chime, and alarm functions. The kit includes a detailed English manual with circuit diagrams, making it perfect for hands-on learning and soldering practice. Compact and lightweight, it’s a professional-grade project that elevates your electronics skills while delivering a sleek, functional digital clock.

Specifications

Brand	Gikfun
Package Dimensions	13 x 8 x 2 cm; 40 g
Item model number	AT89C2051
Series	AT89C2051
Standing screen display size	3.68 Inches
Screen Resolution	1920 x 1080
Resolution	1920x1080
Processor Brand	Microchip Technology
Processor Speed	12 MHz
Processor Count	1
Computer Memory Type	SDRAM
Hard Disk Description	No internal storage
Graphics Card Description	Integrated
Graphics RAM Type	Shared
Graphics Card Interface	Integrated
Are Batteries Included	No
Item Weight	40 g
Guaranteed software updates until	unknown

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