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5Pcs Geekcreit® 0.28 Inch Yellow LED 2.6V-30V Mini Digital Volt Meter Voltage Tester Two Line Voltmeter — image 1
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Geekcreit

5Pcs Geekcreit® 0.28 Inch Yellow LED 2.6V-30V Mini Digital Volt Meter Voltage Tester Two Line Voltmeter

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Test & Measuring Module for everyday users

The 5Pcs Geekcreit® 0.28 Inch Yellow LED 2.6V-30V Mini Digital Volt Meter Voltage Tester Two Line Voltmeter by Geekcreit is a mid-range test & measuring module designed for everyday users.

compact and portable
₹2,000
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Total: ₹2,000
Buying tip: A well-rounded choice at a fair price. Recommended for most buyers.
Estimated delivery: 4 Aug18 Aug
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Ideal For

Electronics projectsArduino / Raspberry Pi buildsPrototyping
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SKU: bg-2025759Category: Test & Measuring Module

About This Product

The 5Pcs Geekcreit® 0.28 Inch Yellow LED 2.6V-30V Mini Digital Volt Meter Voltage Tester Two Line Voltmeter by Geekcreit is a mid-range test & measuring module designed for everyday users. It delivers reliable performance at an accessible price.

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Feature:


Detection voltage: DC2.6V ~ 30V Working current: <30mA Display: 0.28 inch LED Dimensions: 31 × 12.0 × 9mm (length x width x height) Installation hole: 23 × 10 mm Measurement rate: ≥200mS / times Accuracy: 1% (+/- 1 word)

Red is the input positive
Black line is the input negative
Package included:
5 x Mini Digital Voltmeter


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.