Four Digit Digital Clock Kit With PCB For Learning Electronics DIY Alarm Clock Soldering Project And English Instructions Great School Science Fair Gadget To Practice Soldering And Hands On Electronics Skills

4-Digit Clock Kit with PCB for learning electronics
✔️ STC11F02E master, USB power, 5V supply, 0.56 inch red LED, 24h

This DIY four-digit clock kit includes a complete PCB and a 4-digit red LED display, designed for students learning basic electronics and soldering. It’s ideal for classroom projects, science fairs, and hands-on lab sessions.

✅ STC11F02E master microcontroller for reliable timing
✅ DC5.5x2.1 mm power input with 5V USB cable included
✅ 4-digit 0.56 inch red LED display in 24-hour format
✅ Seconds correction and independent minutes display; travel time accuracy ±1s/24h
✅ Hourly chime from 8:00 to 20:00 and two alarms
✅ Power-cut memory keeps time after power loss

💡 What is a clock kit with PCB used for in learning electronics?

It's a handy project that teaches soldering and timing basics in a hands-on way.

• Helps students learn component placement and PCB layout
• Demonstrates timing circuits with a microcontroller
• Provides a tangible project for science fairs and classroom demos
• Shows power management and display module operation