# Title: Fingerprint Sensor with Two-Color LED Ring ## Description: How Does The Fingerprint Sensor Work? The GROW R503 Fingerprint Sensor has an image buffer and six feature file buffers. Important note for users is that all buffer contents are not saved after power failure. A fingerprint pattern template can be composed of 2-6 feature files. If the composite template has more characteristic files, the fingerprint pattern template has the better the quality. The enclosure of the module is dust resistant but not waterproof with ring indicator LED light controlled by command, and it has a high recognition rate and the flexibility to adapt on different conditions of human finger whether it's dry, wet, a person of different ages. This module can be connected to existing Fingerprint 3 Click board or to any other product that has 1.0mm pitch vertical type wire to board connector as this module and the appropriate type of communication. Connector: MX1.0--6P Thread: M25 Product external diameter: 28mm Inner diameter: 23.5mm Height: 19mm Sensor Electrical Specifications Description Min Typ Max Unit Supply Voltage - 3.3 - V Image Acquisition Time - <0.2 - sec Image Resolution - 508 - dpi Template Size - 768 - bytes Operating Temperature Range -20 - +60 °C ## Product type: Component ## Vendor: Mikroelektronika d.o.o. ## Tags: Component, Fingerprint, GROW, Hangzhou Grow Tech, MikroE, Sensor ## Price range: 37.8 - 37.8 GBP ## Link: https://thedebugstore.com/products/mikroe-4347-fingerprint-sensor-with-led-ring ## Compare-at price range: 54.0 - 54.0 GBP ## Options - Title: Default Title ## Collections - [New Products](https://thedebugstore.com/a/llms/collections/new-products-debug-store) - [Mikroelektronika d.o.o. (MikroE)](https://thedebugstore.com/a/llms/collections/mikroelektronika-catalogue-uk) - [GROW Technology Co Ltd Device Support: Barcode Scanners & Fingerprint Readers](https://thedebugstore.com/a/llms/collections/grow-technology-co-ltd-device-support) - [Essential Components for Debug Store Development Boards](https://thedebugstore.com/a/llms/collections/components) - [Sensors](https://thedebugstore.com/a/llms/collections/sensors) - [MikroE Sale](https://thedebugstore.com/a/llms/collections/mikroe-sale) - [MIKROE Stock](https://thedebugstore.com/a/llms/collections/mikroe-products-in-stock-sale) ## Variants - Default Title, SKU: MIKROE-4347, Available: yes, Inventory: 1 ## Metafields - full_description:

How Does The Fingerprint Sensor Work?

The GROW R503 Fingerprint Sensor has an image buffer and six feature file buffers. Important note for users is that all buffer contents are not saved after power failure. A fingerprint pattern template can be composed of 2-6 feature files. If the composite template has more characteristic files, the fingerprint pattern template has the better the quality. The enclosure of the module is dust resistant but not waterproof with ring indicator LED light controlled by command, and it has a high recognition rate and the flexibility to adapt on different conditions of human finger whether it's dry, wet, a person of different ages.

This module can be connected to existing Fingerprint 3 Click board or to any other product that has 1.0mm pitch vertical type wire to board connector as this module and the appropriate type of communication.

Sensor Electrical Specifications

Description Min Typ Max Unit
Supply Voltage - 3.3 - V
Image Acquisition Time - <0.2 - sec
Image Resolution - 508 - dpi
Template Size - 768 - bytes
Operating Temperature Range -20 - +60 °C
- description_tag: The Fingerprint Sensor with Two-Colour LED Ring (GROW R503) is a capacitive fingerprint sensor module scanner with a two-colour ring indicator from Hangzhou Grow Technology Co. Ltd. Available from Debug Store UK. - title_tag: MikroE Fingerprint Sensor with LED Ring (MIKROE-4347) - manufacturer: Mikroelektronika d.o.o. - warranty: 12 months - amazon_enable: TRUE - amazon_title: Fingerprint Sensor with Two-Color LED Ring - amazon_product_type: computercomponent - amazon_block: FALSE - amazon_prime_enable: FALSE - amazon_search: MikroElektronika Microelectronica MIKROE-1100 - amazon_uk_price: 31.9 - amazon_uk_currency: GBP - amazon_de_currency: EUR - amazon_de_price: 36.047 - amazon_fr_currency: EUR - amazon_fr_price: 36.047 - amazon_es_currency: EUR - amazon_es_price: 36.047 - amazon_nl_currency: EUR - amazon_nl_price: 36.047 - amazon_it_currency: EUR - amazon_it_price: 36.047 - amazon_se_curency: SEK - amazon_se_price: 363.66 - amazon_product_id: 8606018717491 - amazon_product_id_type: EAN - amazon_update: Update - amazon_short_description: The Fingerprint Sensor with Two-Color LED Ring (GROW R503) is a capacitive fingerprint sensor module scanner with a two-color ring indicator from Hangzhou Grow Technology Co., Ltd. designed with the intention to be used as an extension of development boards and placed remotely on Fingerprint 3 Click. The module is designed in a circular shape with a diameter of 28mm. It's important to mention that this module represents an integrated image collecting and algorithm chip together.If you are interested in more complete solution we have also created a Fingerprint 3 Click Bundle for you. - amazon_long_description:

How Does The Fingerprint 2 Click Board Work?

This click board features an A-172-MRQ, a 2D capacitive fingerprint sensor with active scanning area of 8.8 x 8x8 mm and resolution of 176 x 176 pixels. The sensor is based on capacitive-contact technology with hardened surface and enhanced ESD immunity. On board Nuvoton M2301 MCU which serves as interface IC and control unit on this board, interface this sensor over high speed SPI interface and comes with built-in fingerprint matching capability while leaving most of the chip resource to application developers. Developers can develop fingerprint-related products based on the communication protocol without the advanced knowledge of fingerprint identification.

Fingerprint 2 Click

The Fingerprint 2 Click has stable performance and simple structure. The simplified functions for faster and easy development include fingerprint comparison, image scanning transmission, search, registered fingerprint storage and system unique internal code protection mechanism. The fingerprint comparison program can register at most 24 fingerprints, the comparison speed is fast and the correct rate is very high.

Thanks to the Nuvoton MCU with the on-chip crypto-accelerator, Cortex-M23 TrustZone, and XOM facilities that is communicating with the fingerprint sensor and providing information to the host, Fingerprint 2 Click board can be interfaced with commands over UART protocol (baud rate 115200) or USB 2.0 full speed.

For proper operation Fingerprint 2 Click board needs to be supplied with 3.3V and 5V. However, note that this board it is designed to be operated only with 3.3V logic levels. Therefore a proper logic voltage level conversion should be performed before the Click board™ is used with MCUs with logic levels of 5V.

BYNEW QUICKICK ULTILITY TOOL

For using and controlling Fingerprint 2 Click with PC Application from ByNew you will need first to connect your board to PC by using USB or some TTL converter for UART. After that you can start Utility tool BNQuickick.exe and select the COM port and Baud rate to operate/control this board.

Since this application is simplifying testing our board and acts as MCU host you can use the same commands from Fingerprint 2 Click example to control our board.

- amazon_main_image: https://www.thedebugstore.com/images/product/lg-fingerprint-sensor-with-two-color-led-ring-angle_1.jpg - amazon_other_image_1: https://www.thedebugstore.com/images/product/lg-fingerprint-sensor-with-two-color-led-ring-back.jpg - amazon_other_image_2: https://www.thedebugstore.com/images/product/lg-fingerprint-sensor-with-two-color-led-ring-back.jpg - amazon_other_image_3: https://www.thedebugstore.com/images/product/lg-fingerprint-2-click-fusion.jpg - amazon_other_image_4: https://www.thedebugstore.com/images/product/lg-fingerprint-2-click-shuttle.jpg - amazon_other_image_5: https://www.thedebugstore.com/images/product/lg-fingerprint-2-click-clicker.jpg - amazon_other_image_6: https://www.thedebugstore.com/images/product/lg-fingerprint-2-click-breadboard.jpg - amazon_browse_node: 428655031 - mpn: MIKROE-4347 - backorder_label: If no stock shown above, check availability - google_product_category: 2082 - condition: new - custom_product: false - mpn: MIKROE-4347 - google_product_category: Electronics - custom_label_0: Component - attachments: [{"download_file":[{"download_file":"Hangzhou Grow Technology GROW R503 Fingerprint Sensor Datasheet"}],"download_filetype":[{"download_filetype":"pdf"}]}] - device_vendor: GROW - device_type: K200-3.3+R502-A - warranty: 12 months - brand: MikroE - key_feature_1: Rugged Fingerprint Sensor - manufacturer: Mikroelektronika d.o.o. - badge: - widget:

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- target_keyword: Fingerprint Sensor with Two-Color LED Ring - brands: gid://shopify/Metaobject/56256004319 - customhs_code: 853190 - detailed_description: {"type":"root","children":[{"type":"heading","level":3,"children":[{"type":"text","value":"How Does The Fingerprint Sensor Work?"}]},{"type":"paragraph","children":[{"type":"text","value":"The GROW R503 "},{"type":"text","value":"Fingerprint Sensor","bold":true,"italic":true},{"type":"text","value":" has an image buffer and six feature file buffers. Important note for users is that all buffer contents are not saved after power failure. A fingerprint pattern template can be composed of 2-6 feature files. If the composite template has more characteristic files, the fingerprint pattern template has the better the quality. The enclosure of the module is dust resistant but not waterproof with ring indicator LED light controlled by command, and it has a high recognition rate and the flexibility to adapt on different conditions of human finger whether it's dry, wet, a person of different ages."}]},{"type":"paragraph","children":[{"type":"text","value":"This module can be connected to existing"},{"type":"text","value":" Fingerprint 3 Click boar","bold":true},{"type":"text","value":"d or to any other product that has 1.0mm pitch vertical type wire to board connector as this module and the appropriate type of communication."}]},{"type":"list","listType":"unordered","children":[{"type":"list-item","children":[{"type":"text","value":"Connector","bold":true},{"type":"text","value":": MX1.0--6P"}]},{"type":"list-item","children":[{"type":"text","value":"Thread","bold":true},{"type":"text","value":": M25"}]},{"type":"list-item","children":[{"type":"text","value":"Product external diameter","bold":true},{"type":"text","value":": 28mm"}]},{"type":"list-item","children":[{"type":"text","value":"Inner diameter","bold":true},{"type":"text","value":": 23.5mm"}]},{"type":"list-item","children":[{"type":"text","value":"Height","bold":true},{"type":"text","value":": 19mm"}]}]},{"type":"heading","level":3,"children":[{"type":"text","value":"Sensor Electrical Specifications"}]},{"type":"paragraph","children":[{"type":"text","value":"Description\nMin\nTyp\nMax\nUnit\nSupply Voltage\n-\n3.3\n-\nV\nImage Acquisition Time\n-\n<0.2\n-\nsec\nImage Resolution\n-\n508\n-\ndpi\nTemplate Size\n-\n768\n-\nbytes\nOperating Temperature Range\n-20\n-\n+60\n°C"}]}]} - summary:

The Fingerprint Sensor with Two-Colour LED Ring (GROW R503) is a capacitive fingerprint sensor module scanner with a two-colour ring indicator from Hangzhou Grow Technology Co. Ltd. Designed with the intention to be used as an extension of development boards and placed remotely on Fingerprint 3 Click Board™. The module is designed in a circular shape with a diameter of 28mm. It's important to mention that this module represents an integrated image collecting and algorithm chip together.

If you are interested in a more complete solution we have also created a Fingerprint 3 Click Bundle for you.