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GROW-R302 Fingerprint Module

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Fingerprint Sensors for everyday users

The GROW-R302 Fingerprint Module by Grow is a mid-range fingerprint sensors designed for everyday users. It features Item Type: Module and Model No. / Name: Fingerprint Module.

₹2,009
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Total: ₹2,009
Buying tip: A well-rounded choice at a fair price. Recommended for most buyers.
Estimated delivery: 23 Aug6 Sept
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Quick Specs

Item Type: Module
Model No. / Name: Fingerprint Module
Operating Voltage (V): 4.2 to 6
Interface: USB 2.0, RS232 (TTL)
Resolution: 508 DPI
Working Current (mA): 30

Ideal For

Electronics projectsArduino / Raspberry Pi buildsPrototyping
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SKU: robu-2092212Category: Fingerprint Sensors

About This Product

The GROW-R302 Fingerprint Module by Grow is a mid-range fingerprint sensors designed for everyday users. It delivers reliable performance at an accessible price.

Key Specifications

  • Item Type: Module
  • Model No. / Name: Fingerprint Module
  • Operating Voltage (V): 4.2 to 6 — works with standard household power
  • Interface: USB 2.0, RS232 (TTL) — compatible with modern devices
  • Resolution: 508 DPI
  • Working Current (mA): 30
  • Shipping Weight: 0.01 kg
  • Shipping Dimensions: 8 × 6 × 3 cm

Why Buy from Pricio?

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The R302 Fingerprint Module features integrated image collection and an algorithm chip for all-in-one functionality. It supports USB 2.0 and UART interfaces, with a fingerprint capacity of 150 and a sensing array of 160x160 pixels. The effective collection area is 8x8mm, ensuring high recognition rates for various finger types, including dry, wet, and aged. Ideal for access control, attendance systems, and safety deposit boxes, it operates at 508 DPI resolution and DC 4.2-6.0V.
Specifications
·Interface:USB 2.0 and RS232 (TTL)
·Resolution:508 DPI
·Voltage:DC 4.2-6.0V
·Fingerprint capacity:150
·Fingerprint reader module size:33.4 * 20.4 (mm)
·Effective collection area:8 * 8 (mm)
·ScanningSpeed:< 0.2 second
·Verification Speed:< 0.3 second
·Matching Method:1:1; 1:N
·FRR (False Rejection Ratio):≤0.01%
·FAR (False Acceptance Ratio):≤0.00001%
·Antistatic capacity:15KV
·Abrasive resistance intensity:1 million times
·Peak power consumption:60 mA
·Work environment:-20°C ---55°C
·Work Humidity:0-90%
·Communications baud rate (UART):(9600 × N) bps where N = 1 ~ 12(default N = 6, ie 57600bps)

Features:

  1. Integrated image collection and algorithm chip
  2. High recognition rate for various finger types
  3. All-in-one design for ease of use
  4. Suitable for access control, attendance, and safety deposit boxes
  5. Compact and efficient
  6. Fingerprint Capacity: 150
  7. Fingerprint module size: 33.4 x 20.4 (mm)
  8. Effective collection area: 8 x 8 (mm)
  9. Sensing array: 1

Package Includes:

1 x R302 Fingerprint Module

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.