M5Stack Finger Print Sensor Unit
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M5Stack Finger Print Sensor Unit
Description
Unit Finger is a fingerprint recognition sensor unit that integrates the FPC1020A capacitive fingerprint recognition module. It supports multiple fingerprint enrollment, image processing, feature extraction, fingerprint matching, and fingerprint searching functions.
The unit uses UART communication and is designed with a compact form factor and low power consumption. It is suitable for projects that need biometric fingerprint enrollment, verification, and management functions.
Features
- Integrates FPC1020A capacitive fingerprint recognition module
- Uses a capacitive area-array semiconductor fingerprint sensor
- Each sensor pixel supports 256 grayscale levels
- Supports 1:N identification and 1:1 verification
- Supports 360-degree finger rotation recognition
- Supports fingerprint enrollment, matching, and searching
- Compact design with low power consumption
- UART communication protocol
Specifications
| Specification | Parameter |
|---|---|
| Fingerprint Module | FPC1020A |
| Fingerprint Capacity | 150 |
| Security Level | 0-9, default 5 |
| Output Format | Username, Image, Feature value |
| Feature Value Size | 193Byte |
| Communication | UART (9600-115200) |
| Default Baud Rate | 19200bps |
| Operating Temperature | -10°C ~ 60°C |
| Relative Humidity | 20%-80% |
| Product Size | 48.0 x 24.0 x 8.0mm |
| Product Weight | 7.7g |
| Package Size | 138.0 x 93.0 x 9.0mm |
| Gross Weight | 12.9g |
Interface
- Connects to PORT C for UART communication with M5Core
- UART default baud rate: 19200bps
- Start bit: 1 bit
- Stop bit: 1 bit
- Parity bit: none
Applications
- Fingerprint attendance machine
- Fingerprint storage cabinet
- Biometric access control projects
- Fingerprint verification and identification systems
Product List
- 1 x Unit Finger
- 1 x HY2.0-4P Grove Cable (20cm)
Other Content
Unit Finger provides a compact biometric recognition solution for M5Stack projects. It supports fingerprint enrollment and recognition through UART communication, making it suitable for access control, identity verification, and secure storage applications.
Resources
- Official Documentation
- Unit Finger Schematics PDF
- FINGER Serial Communication Protocol
- FPC1020A Datasheet
- Unit Finger Example with M5Atom
- Unit Finger Example with M5Core
- Unit Finger Example with M5Core2
- Unit Finger Example with M5StickC
- Unit Finger Example with M5StickCPlus
- UiFlow1 Documentation
- UiFlow2 Documentation
- Unit Finger Test EasyLoader
- Official Product Video
FAQ
What fingerprint module does Unit Finger use?
It uses the FPC1020A capacitive fingerprint recognition module.
How many fingerprints can it store?
It supports a fingerprint capacity of 150.
What communication interface does it use?
Unit Finger uses UART communication.
What is the default UART baud rate?
The default baud rate is 19200bps.
Which port should it connect to?
When used with M5Core, it should be connected to PORT C for UART communication.
What is included in the package?
The package includes 1 x Unit Finger and 1 x HY2.0-4P Grove cable.
1. General Shipping Information
- We provide reliable shipping services with a tracking number for each order.
- Shipping addresses must be entered in English and should not contain special symbols, so that the courier system can recognize your location correctly.
- Please make sure your shipping address is accurate before placing your order. We ship strictly according to the address provided at checkout.
- In-stock orders are usually dispatched within 1 business day after order confirmation.
- Estimated delivery times refer to the period after dispatch and do not include order processing time, weekends, public holidays, customs inspection, or force majeure delays.
- If you need to cancel or modify your order, please contact us before the order is marked as “Shipped”. Once shipped, the order cannot be canceled or changed.
🚀 Need Faster Shipping?
If you require expedited shipping, please contact our customer support team at info@upenelab.com for a customized quote based on your destination.
2. Shipping Rates & Options
Shipping rates are calculated based on order value, destination, and available shipping methods. The final available options will be displayed at checkout.
2.1 Germany Domestic Shipping
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| Deutsche Post | €0.00 - €50.00 | €4.95 | 2-4 Business Days |
| Deutsche Post | Over €50.00 | Free | 2-4 Business Days |
|
DHL Paket (Faster Delivery) |
€0.00 - €50.00 | €6.95 | 1-3 Business Days |
|
DHL Paket (Faster Delivery) |
€50.00 - €100.00 | €2.00 | 1-3 Business Days |
|
DHL Paket (Faster Delivery) |
Over €100.00 | Free | 1-3 Business Days |
2.2 Selected EU Countries / Regions
Available EU shipping destinations are shown at checkout based on your shipping address. For orders shipped to selected EU countries or regions outside Germany, we use FedEx Regional Economy.
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| FedEx Regional Economy | €0.00 - €100.00 | €7.95 | 3-5 Business Days |
| FedEx Regional Economy | Over €100.00 | Free | 3-5 Business Days |
EU orders may be fulfilled from our Munich warehouse or, when applicable, from our Shenzhen warehouse depending on inventory availability. For EU member states, OpenELAB covers applicable import duties and taxes under DDP service where required.
2.3 United States
| Region | Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|---|
|
Continental U.S. (50 States) |
USPS Ground Advantage | €0.00 - €45.00 | €4.95 | 3-7 Business Days |
| USPS Ground Advantage | Over €45.00 | Free | 3-7 Business Days | |
| USPS Priority Mail | €0.00 - €45.00 | €16.95 | 1-4 Business Days | |
| USPS Priority Mail | Over €45.00 | €14.95 | 1-4 Business Days | |
|
Non-Continental U.S. (AK, HI, PR, etc.) |
USPS Ground Advantage | €0.00 - €60.00 | €6.95 | 5-9 Business Days |
| USPS Ground Advantage | Over €60.00 | Free | 5-9 Business Days |
Non-Continental U.S. regions include Alaska, American Samoa, Guam, Hawaii, the Marshall Islands, the Northern Mariana Islands, Palau, Puerto Rico, the U.S. Virgin Islands, and U.S. Armed Forces addresses.
2.4 International Destinations Outside the EU
For selected international destinations outside the EU, including Switzerland, the United Kingdom, and Norway, shipping rates are as follows:
| Order Amount | Shipping Cost |
|---|---|
| €0.00 - €300.00 | €19.95 |
| Over €300.00 | Free |
For non-EU destinations, import duties, taxes, and customs fees may be charged by the destination country and are the responsibility of the recipient.
3. Warehouses & Fulfillment
Our products may be stored in our Munich, Arlington, and Shenzhen warehouses. The actual shipping warehouse depends on product availability and destination.
3.1 Munich Warehouse
For products stored in our Munich warehouse, we use Deutsche Post or DHL Paket for domestic deliveries within Germany. For selected EU destinations outside Germany, we use FedEx Regional Economy.
3.2 Arlington Warehouse
For products stored in our Arlington warehouse, we use USPS or UPS for deliveries within the United States.
3.3 Shenzhen Warehouse
For pre-order items or products fulfilled directly from our Shenzhen warehouse, we arrange reliable international shipping based on destination and inventory status. For EU member states, OpenELAB covers applicable import duties and taxes under DDP service where required.
4. Inventory, Pre-orders & Split Shipments
- Inventory Status: Please check the product page for real-time stock information. If an item is out of stock in our local warehouses, it may be marked as “Pre-order”.
- Pre-order Fulfillment: Pre-order items may be shipped directly from Shenzhen or restocked to a local warehouse first before final delivery.
- Split Shipments: If your order contains both in-stock and pre-order items, we may ship them separately. No additional shipping fee will be charged for split shipments caused by our fulfillment arrangement.
5. Customs, Taxes & Delivery Issues
5.1 Customs and Taxes
For EU Member States:
Whether shipped from Germany or China, OpenELAB covers applicable import duties and taxes under DDP service where required. Customers in EU member states should not be charged additional import duties or VAT upon delivery.
For destinations outside the European Union, such as Switzerland, Norway, and the United Kingdom, import duties, taxes, and customs fees may be charged by local authorities upon delivery. These fees are the responsibility of the recipient.
5.2 Damaged, Delayed, or Lost Parcels
Please inspect your parcel upon delivery where possible. If you notice visible damage, please report it to the courier and contact us as soon as possible. This does not affect your statutory consumer rights.
If your parcel is delayed, lost, returned to sender, or the tracking information has not updated for an unusual period of time, please contact us at info@upenelab.com. We will assist you in checking the shipment status with the courier.
5.3 Incorrect Address or Failed Delivery
If a parcel cannot be delivered due to an incorrect or incomplete address provided by the customer, refusal of delivery, or failure to collect the parcel, additional shipping or return costs may apply.
6. VAT
For orders within the EU, VAT is collected at checkout according to the applicable destination rules. No additional VAT should be collected upon delivery for EU member state orders covered under our DDP shipping arrangement.




