Digital Clock Temperature Voltage Module – DIY Car Voltmeter

3-in-1 Digital Display: Clock, Temperature & Voltage Monitor for Your Car

Upgrade your dashboard or DIY electronics project with this compact Digital Clock Temperature Voltage Module. Featuring a bright LED display, this multi-function module shows the time, ambient temperature, and real-time DC voltage simultaneously — keeping you informed at a glance. Available in 4 color options to match your style or interior setup.

Key Features

• 3-in-1 Functionality: Displays digital clock, temperature readout, and live voltage level in one compact unit
• Voltmeter Range: DC 5V–30V — ideal for 12V automotive and DIY electronics applications
• RX8025T Chip: High-accuracy real-time clock chip for precise timekeeping
• Easy DIY Integration: Simple wiring makes it a great addition to cars, trucks, custom builds, or bench setups
• 4 Display Colors Available: Choose the color that fits your aesthetic — red, blue, green, or white
• Compact & Versatile: Slim module design fits dashboards, panels, or enclosures with minimal effort

Specifications

• Voltage Measurement Range: DC 5V – 30V
• Power Supply: Requires a pure DC power supply
• Clock IC: RX8025T high-precision chip
• Display Colors: 4 options available
• Application: Automotive, DIY electronics, workshop bench use

⚠️ Important Note: This module requires a pure DC power supply. Use with a 24V battery is not recommended — the module may overheat under 24V charging conditions. Best suited for standard 12V automotive or DC 5V–30V applications.

Who Is This For?

Whether you're a car enthusiast looking to add a functional display to your dash, a hobbyist building a custom electronics enclosure, or simply want an easy way to monitor your battery voltage and temperature, this module is a smart, affordable solution. It's also a great thoughtful gift for the DIYer or gearhead in your life.

For more information on vehicle electrical systems and safe DC power use, visit the NIST Electronics resources for reliable technical guidance.

Frequently Asked Questions

Q: What does the Digital Clock Temperature Voltage Module display?

A: This 3-in-1 module simultaneously displays the current time (digital clock), ambient temperature, and DC voltage — making it a versatile addition to any car dashboard or DIY electronics build.

Q: What is the voltage measurement range of this car voltmeter module?

A: The module measures DC voltages from 5V to 30V, making it compatible with standard 12V automotive systems and a wide range of DIY DC power setups. Note: a pure DC power supply is required, and use with a 24V battery during charging is not recommended.

Q: What clock chip does this module use, and why does it matter?

A: This module uses the RX8025T real-time clock chip, which is known for its high accuracy and reliability in timekeeping applications — ensuring your clock display stays precise even over extended use.

Q: Is this module easy to install in a car?

A: Yes. The module is designed for straightforward DIY installation with simple wiring connections. It's a popular choice for car modification enthusiasts, hobbyists, and electronics makers looking for a plug-and-display solution.