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4pcs Digital Mini Digital Voltmeter 0.28Inch Three-Line 0-100V Digital Voltmeter Gauge Tester LED Display Panel Voltmeter — image 1
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4pcs Digital Mini Digital Voltmeter 0.28Inch Three-Line 0-100V Digital Voltmeter Gauge Tester LED Display Panel Voltmeter

5.06 ratings
406+ bought in past month
AI Summary
Test & Measuring Module for everyday users

The 4pcs Digital Mini Digital Voltmeter 0.28Inch Three-Line 0-100V Digital Voltmeter Gauge Tester LED Display Panel Voltmeter is a value-for-money test & measuring module designed for everyday users. Customers praise its fast and responsive and accurate and reliable. 100% of buyers rate it 4★ or above.

fast and responsiveaccurate and reliablecompact and portable
₹785-44%
MRP:₹1,410Save ₹625
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Price: ₹785

Total: ₹785
Buying tip: A smart budget buy — solid performance without breaking the bank.
Estimated delivery: 17 Aug31 Aug
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Electronics projectsArduino / Raspberry Pi buildsPrototyping
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SKU: bg-2016621Category: Test & Measuring Module

About This Product

The 4pcs Digital Mini Digital Voltmeter 0.28Inch Three-Line 0-100V Digital Voltmeter Gauge Tester LED Display Panel Voltmeter is a value-for-money test & measuring module designed for everyday users. Customers highlight its fast and responsive and accurate and reliable.

Customer Verdict

100% of buyers rated this product 4 stars or above. The most appreciated qualities are: fast and responsive, accurate and reliable.

Why Buy from Pricio?

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Specifications:
Measuring range: three-wire DC 0~100V
Working voltage: 4~40V (with reverse connection protection), higher than 40V may be damaged
Test accuracy: ±1% >10V error positive and negative 0.2V <10V positive and negative 0.03V
Input impedance: 50KΩ
Working current: <30mA
Refresh rate: about 100mS once
Display specifications: three wire 0.28" LED digital tube
Lead length: default 15cm
Shape ruler: 33 x 11.5 x 9 mm
Mounting hole: 23*10 mm
Opening size: hole distance: 26mm hole diameter: 2.2mm
Working temperature: -10 ~ +65 °C
Working humidity: 10 ~ 80%
Working pressure: 80 ~ 106kPa
LED Color:Red/Blue/Green


Features:
• 2 Connection Methods:3 wires are connected separately to measure voltage and power(yellow red is both forpos, black isneg); 3 wires are used as 2 wires, connected to measure voltage and Yellow can be pair forpos, black isneg).
• Mini Voltmeters:Total 4PCS, 4 colors optional each one; 0.28 inch LED Panel; small in size and light in weight.
• Features:Reverse polarity-protection, voltmeter will not burn out if reverse-polarity is applied; high-precision; low starting working voltage; fine adjustment function.
• Good quality: This product is made of high-quality materials, exquisite workmanship, very good quality and long service life.


Package include:
4x 0.28inch Digital Mini Digital Voltmeters



Product Safety Information

Setup Guide

1
Identify the pins
Locate VCC (power), GND (ground), and data pins (SDA/SCL for I2C, MOSI/MISO for SPI, or TX/RX for UART). Refer to the pinout diagram on the product page.
2
Wire to your microcontroller
Connect VCC to 3.3V or 5V (check the module spec), GND to GND, and data pins to the appropriate GPIO pins on your Arduino or Raspberry Pi.
3
Install libraries
In Arduino IDE, go to Sketch → Include Library → Manage Libraries and search for the sensor library. Install the recommended version.
4
Upload example sketch
Open File → Examples → [library name] → Basic Example. Upload to your board and open Serial Monitor to view output.
5
Calibrate if needed
Some sensors (temperature, humidity, distance) may need a short warm-up period or calibration. Run the calibration sketch if provided.