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.