Digital Clock Electronics Kit

Key Features

Pure Digital Craftsmanship: Utilizing a sophisticated array of chips including this clock kit is a marvel of digital engineering. It's designed to offer you a deep dive into the workings of digital circuits, all without the need for programming.

Precision Timekeeping: At the heart of this kit lies a second signal generator that ensures meticulous timekeeping. Thanks to a 1Hz square wave signal, finely tuned from a high-frequency signal generator, you'll witness timekeeping with unparalleled accuracy.

Quality Components: Crafted with high-quality materials and chips, this clock kit is built to last. Its reliable performance and durability make it a standout addition to your projects or educational tools.

Clear, Red Digital Display: With its vivid red digital LCD display, reading the time is effortless. The crisp clarity of the digits ensures that you can glance at the time from across the room, making it as functional as it is educational.

Component list:

• PCB board (1)
• 0.56" digital display blocks (6)
• 470 Ω resistor (2)
• 1 KΩ resistor (50)
• 2.2 KΩ resistor (3)
• 100 KΩ resistor (1)
• 10 MΩ resistor (1)
• 1N4148 Diode (4)
• Monolithic Capacitor (3)
• 32.768 KHz crystal (1)
• 30P Porcelain Capacitor (2)
• 25 V 100 µF Capacitor (1)
• KF301-2P (1)
• Keypad (1)
• 12D07 Toggle Switch (1)
• 16 pin IC Block (10)
• 14 pin IC Block (2)
• CD4511 IC(6)
• CD4518 IC (3)
• CD4081 IC (1)
• CD4060 IC (1)
• CD4013 IC (1)
• 3mm red LED (4)

Age: 12+

Young children require adult supervision when soldering

Note: requires a soldering iron (not included). Buy one here.

Building and experimenting with this 24-Hour Digital Clock Kit offers a hands-on learning experience in various scientific principles and skills. Here are some of the key scientific principles and skills that can be gained from working with this kit:

Scientific Principles

Electronic Circuit Theory: Understand how electronic components like resistors, capacitors, and integrated circuits (ICs) work together to perform specific functions, such as counting seconds, minutes, and hours. Examine the printed circuit board (PCB) to gain an understanding into how components are strategically placed to ensure devices as small as possible without interference between components or current channels. Learn about modular construction of electronic devices.

Frequency Division: Learn how a high-frequency signal can be divided down to a precise 1 Hz signal using a series of binary frequency dividers. This principle is crucial for generating accurate time signals.

Oscillation: Delve into how oscillators work, using a crystal oscillator as a stable time base, and explore the role of external components in setting the oscillation frequency.

Multiplexing and Decoding: Explore how BCD (Binary-Coded Decimal) to 7-segment decoders work to display numbers on digital displays, an essential concept for digital readouts.

Skills Development

Soldering and Circuit Assembly: Develop fine motor skills and learn the art of soldering electronic components to create functional circuits, an invaluable skill in electronics.

Problem-Solving: Enhance your ability to troubleshoot and solve problems as you work through the assembly process and ensure the clock functions correctly.

Critical Thinking: Engage in critical thinking as you follow circuit diagrams and understand how each component contributes to the clock's functionality.

Attention to Detail: Cultivate a keen eye for detail required in electronic projects, from placing components correctly to understanding the flow of current through the circuit.

Through the construction and operation of this 24-Hour Digital Clock Electronics STEM Kit, learners not only gain a tangible understanding of these principles and skills but also experience the satisfaction of building a device that interacts with the fundamental concept of time. This project serves as an excellent stepping stone into the broader world of electronics and timekeeping technology.