Description
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In this video, I will show you how to build an accurate digital voltage and current meter using the IC 7107. This DIY meter can measure voltages from 0 to 99.0 volts and currents from 0 to 99.9 amps, with the readings displayed on bright 0.56-inch seven-segment LED displays.
The project features a push-button mode selector, allowing you to switch between voltage and current measurements, while indicator LEDs clearly show the active mode. One of the biggest advantages of this design is that it uses only commonly available components and requires absolutely no programming.
In the video, I demonstrate the assembly process, calibration procedure, and accuracy testing using high-precision digital multimeters. The results show excellent agreement between the reference meters and the IC 7107 display, with very small measurement errors.
Whether you are building a bench power supply, battery charger, or simply looking for a practical electronics project, this meter is a great addition to your workshop.
The PCB for this project was ordered from JLCPCB.
#IC7107 #DigitalPanelMeter #Voltmeter #Ammeter #DIYElectronics #ElectronicsProject #LEDDisplay #SevenSegmentDisplay #CircuitDesign #JLCPCB
Special thanks to my sponsor and partner, JLCPCB, for supporting this project.
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Download File link: https://drive.google.com/file/d/1JZDMn_XooZUpdL381oQrTGLRK51TGX69/view
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