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?

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

HANDS ON LEARNING - Step-by-step English manual guides you through soldering and circuit assembly like a pro.
MICROCHIP MCU INSIDE - Powered by the reliable AT89C2051 microcontroller for smooth, professional-grade performance.
COMPACT LIGHTWEIGHT - At just 40g and 13x8x2 cm, it fits perfectly on your desk or project shelf.
MULTIFUNCTIONAL CLOCK - Includes countdown timer, stopwatch, hourly chime, and alarm to master versatile electronics.
PRECISION TIMEKEEPING - Experience exact 24-hour format with second correction for flawless timing.

The Gikfun DIY 6 Digit LED Digital Clock Kit is a compact, lightweight electronics project featuring a 6-digit LED display driven by the AT89C2051 microcontroller. Designed for hands-on learning, it includes a detailed English manual with circuit diagrams and step-by-step instructions, making it ideal for students and hobbyists to master soldering and digital clock functions like countdown, stopwatch, and alarms.

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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

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

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