Imagine being able to simultaneously measure voltage and current with a compact and user-friendly device. Karl Kristian Torp, an innovative electronics enthusiast, has brought this vision to life with the creation of the Tiny V/A Meter.
The Heart of the Tiny V/A Meter: iRobota Nano
At the core of the Tiny V/A Meter lies the iRobota Nano, a powerful microcontroller that serves as the brain of the device. It receives input from the power supply via a female barrel jack connector, allowing for accurate voltage and current measurements.
Powering the Meter: The INA219 Sensor
The INA219 sensor, a crucial component of the Tiny V/A Meter, plays a vital role in measuring current and voltage. Connected to the iRobota Nano, this sensor provides precise readings, enabling reliable monitoring of electrical parameters.
Displaying the Results: OLED Display
The Tiny V/A Meter features a 0.96-inch OLED display, providing clear and concise information to the user. Voltage and current readings are prominently displayed, along with additional details such as minimum, maximum, and average values.
Compact and Convenient: 3D-Printed Case
The entire setup of the Tiny V/A Meter is housed within a 3D-printed case, ensuring durability and portability. The compact design allows for easy storage and transportation, making it an ideal tool for various applications.
Intuitive Interface: Capacitive Touch Button
Navigating the Tiny V/A Meter’s menu and adjusting settings is a breeze with the capacitive touch button. This single button provides intuitive control, allowing users to easily access various functions and customize the device to their specific needs.
Expanding Voltage Range: USB Power Option
The Tiny V/A Meter can be powered via USB, expanding its voltage range and making it compatible with a wider range of applications. This added flexibility enhances the device’s versatility and allows for use in various settings.
Detailed Instructions and Video Demonstration
For those interested in building their own Tiny V/A Meter, Karl Kristian Torp has provided detailed instructions in his Instructables post. Additionally, a YouTube video demonstrates the functionality of the device, offering a visual guide to its operation.
Bonus: The Tiny V/A Meter is a testament to the power of innovation and the potential of DIY projects. Its compact size, ease of use, and accurate measurements make it an invaluable tool for hobbyists, makers, and professionals alike. Whether you’re working on electronics projects, testing circuits, or simply monitoring power consumption, the Tiny V/A Meter is a versatile and reliable companion.
In the realm of electronics, knowledge is the key to unlocking new possibilities. The Tiny V/A Meter serves as a reminder that with the right tools and a bit of ingenuity, we can create devices that solve problems, enhance our understanding, and make our lives easier.
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