Velleman VMA329 User manual

VMA329
FINGERPRINT SENSOR ZFM-708
USER MANUAL

VMA329
V. 01 –06/04/2018 2 ©Velleman nv
USER MANUAL
1. Introduction
To all residents of the European Union
Important environmental information about this product
This symbol on the device or the package indicates that disposal of the device after its lifecycle could
harm the environment. Do not dispose of the unit (or batteries) as unsorted municipal waste; it
should be taken to a specialized company for recycling. This device should be returned to your
distributor or to a local recycling service. Respect the local environmental rules.
If in doubt, contact your local waste disposal authorities.
Thank you for choosing Velleman®! Please read the manual thoroughly before bringing this device into service.
If the device was damaged in transit, do not install or use it and contact your dealer.
2. Safety Instructions
This device can be used by children aged from 8 years and above, and persons with
reduced physical, sensory or mental capabilities or lack of experience and knowledge if
they have been given supervision or instruction concerning the use of the device in a
safe way and understand the hazards involved. Children shall not play with the device.
Cleaning and user maintenance shall not be made by children without supervision.
Indoor use only.
Keep away from rain, moisture, splashing and dripping liquids.
3. General Guidelines
Refer to the Velleman®Service and Quality Warranty on the last pages of this manual.
Familiarise yourself with the functions of the device before actually using it.
All modifications of the device are forbidden for safety reasons. Damage caused by user
modifications to the device is not covered by the warranty.
Only use the device for its intended purpose. Using the device in an unauthorised way
will void the warranty.
Damage caused by disregard of certain guidelines in this manual is not covered by the
warranty and the dealer will not accept responsibility for any ensuing defects or
problems.
Nor Velleman nv nor its dealers can be held responsible for any damage (extraordinary,
incidental or indirect) –of any nature (financial, physical…) arising from the possession,
use or failure of this product.
Due to constant product improvements, the actual product appearance might differ from
the shown images.
Product images are for illustrative purposes only.
Do not switch the device on immediately after it has been exposed to changes in
temperature. Protect the device against damage by leaving it switched off until it has
reached room temperature.
Keep this manual for future reference.
4. What is Arduino®
Arduino®is an open-source prototyping platform based in easy-to-use hardware and software. Arduino®boards
are able to read inputs –light-on sensor, a finger on a button or a Twitter message –and turn it into an output
–activating of a motor, turning on an LED, publishing something online. You can tell your board what to do by
sending a set of instructions to the microcontroller on the board. To do so, you use the Arduino programming
language (based on Wiring) and the Arduino®software IDE (based on Processing).
Surf to www.arduino.cc and www.arduino.org for more information.

VMA329
V. 01 –06/04/2018 3 ©Velleman nv
5. Overview
VMA329
Add a fingerprint sensor to your Arduino®installation.
operating voltage: 3.8 V to 7 V
back light: green
baud rate: (9600 x N) bps, N=1-12 (default N=6)
image acquiring time: < 0.5 s
finger prints storage capacity: 1000
false acceptance rate: 0.001 % (at security level 3)
false reject rate: 1.0 % (security level 3)
interface: TTL serial
operating current (max.): 95 mA
average searching time: 1 s
working temperature: -20 to +50 °C
outline dimensions: 54 x 20 x 20.5 mm
6. Connection
pin number
name
type
description
wire colour
1
Vtouch
in
touch sensor power input
blue
2
Sout
out
touch sensor output
yellow
3
Vin
in
power input
red
4
TD
in
data output TTL logical level
green
5
RD
out
data input TTL logical level
white
6
GND
/
signal ground
black

VMA329
V. 01 –06/04/2018 4 ©Velleman nv
7. Example
Library and examples can be found at https://github.com/adafruit/Adafruit-Fingerprint-Sensor-Library.
8. More Information
Please refer to the VMA329 product page on www.velleman.eu for more information.
Use this device with original accessories only. Velleman nv cannot be held responsible in the event
of damage or injury resulting from (incorrect) use of this device. For more info concerning this
product and the latest version of this manual, please visit our website www.velleman.eu. The
information in this manual is subject to change without prior notice.
© COPYRIGHT NOTICE
The copyright to this manual is owned by Velleman nv. All worldwide rights reserved. No part of this
manual may be copied, reproduced, translated or reduced to any electronic medium or otherwise without the
prior written consent of the copyright holder.

Velleman® Service and Quality Warranty
Since its foundation in 1972, Velleman® acquired extensive experience in the electronics world and currently
distributes its products in over 85 countries.
All our products fulfil strict quality requirements and legal stipulations in the EU. In order to ensure the quality,
our products regularly go through an extra quality check, both by an internal quality department and by
specialized external organisations. If, all precautionary measures notwithstanding, problems should occur,
please make appeal to our warranty (see guarantee conditions).
General Warranty Conditions Concerning Consumer Products
(for EU):
• All consumer products are subject to a 24-month warranty on production flaws and defective material as from
the original date of purchase.
• Velleman® can decide to replace an article with an equivalent article, or to refund the retail value totally or
partially when the complaint is valid and a free repair or replacement of the article is impossible, or if the
expenses are out of proportion.
You will be delivered a replacing article or a refund at the value of 100% of the purchase price in case of a flaw
occurred in the first year after the date of purchase and delivery, or a replacing article at 50% of the purchase
price or a refund at the value of 50% of the retail value in case of a flaw occurred in the second year after the
date of purchase and delivery.
• Not covered by warranty:
- all direct or indirect damage caused after delivery to the article (e.g. by oxidation, shocks, falls, dust, dirt,
humidity...), and by the article, as well as its contents (e.g. data loss), compensation for loss of profits;
- consumable goods, parts or accessories that are subject to an aging process during normal use, such as
batteries (rechargeable, non-rechargeable, built-in or replaceable), lamps, rubber parts, drive belts...
(unlimited list);
- flaws resulting from fire, water damage, lightning, accident, natural disaster, etc.…;
- flaws caused deliberately, negligently or resulting from improper handling, negligent maintenance, abusive
use or use contrary to the manufacturer’s instructions;
- damage caused by a commercial, professional or collective use of the article (the warranty validity will be
reduced to six (6) months when the article is used professionally);
- damage resulting from an inappropriate packing and shipping of the article;
- all damage caused by modification, repair or alteration performed by a third party without written permission
by Velleman®.
• Articles to be repaired must be delivered to your Velleman® dealer, solidly packed (preferably in the original
packaging), and be completed with the original receipt of purchase and a clear flaw description.
• Hint: In order to save on cost and time, please reread the manual and check if the flaw is caused by obvious
causes prior to presenting the article for repair. Note that returning a non-defective article can also involve
handling costs.
• Repairs occurring after warranty expiration are subject to shipping costs.
• The above conditions are without prejudice to all commercial warranties.
The above enumeration is subject to modification according to the article (see article’s manual).
Made in PRC
Imported by Velleman nv
Legen Heirweg 33, 9890 Gavere, Belgium
www.velleman.eu

ZFM-70 SeriesFingerprint Identification Module User Manual
ZFM-70 Series
Fingerprint Identification Module
User Manual
Ver V1.0

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Preface & Declaration
Thank you for you selection of ZFM-70 series Fingerprint Identification Module (Module) of
Zhiantec Technologies Co., Ltd. (Zhiantec).
The Manual is targeted for hardware & software developing engineer, covering hardware
interface, system resource, instruction system, installment information, etc. To ensure the
developing process goes smoothly, it is highly recommended the Manual is read through carefully.
We will try our best to assure you the correctness of the Manual. However, should you find any
problem or error with it, feel free to contact us or the sales representative of us. We would be very
grateful.
Holding the principle of constantly improving and perfecting products, so both the module and
contents of the Manual might subject to changes. Sorry for separate notice. You may visit our
website or call us for the latest information.
The Manual contains proprietary information of Zhiante, which shall not be used by or
disclosed to third parties without the permission of Zhiantec, nor for any reproduction and alteration
of information without any associated warranties, conditions, limitations, or notices.
No responsibility or liability is assumed by Zhiantec for the application or use, nor for any
infringements of patents or other intellectual property rights of third parties that may result from its
use.
All products are sold subject to Zhiantec’s terms and conditions of sale supplied at the time of
order acknowledgment. Testing, tool and other quality control techniques are used to the extent
Zhiantec considers necessary to support the warranty of relevant performance of its products to the
specifications, except as expressly agreed to in writing by government requirements, testing of all
parameters of each product is not necessarily performed.
Copyright © 2010–2012 by Hangzhou Zhian Technologies Co., Ltd. All rights reserved.

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Contact Information
http://www.zhiantec.com
Address: Suite C&D, Floor 8,West Building of International Garden,
No.160 Tianmushian RD.,Hangzhou 310013, P.R.China
Phone: [phone]
Fax: [phone](818)

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Revisions
Version
Date
Modify
Modify content
V1.0
20131213
Base version

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Content
Revisions.......................................................................................................................................4
Content.................................................................................................................................................5
I Introduction........................................................................................................................................7
1.1 characteristics .............................................................................................................................................. 7
1.2 New features................................................................................................................................................ 7
1.3 Operation Principle...................................................................................................................................... 8
1.4 Order Information........................................................................................................................................ 8
II Main Parameters.............................................................................................................................10
III Hardware Interface........................................................................................................................11
3.1 Serial Communication ................................................................................................................................11
3.1.1 Hardware connection....................................................................................................................11
3.1.2 Serial communication protocol................................................................................................ 12
3.1.3 Reset time ................................................................................................................................ 12
3.1.4 Electrical paramenter (All electrical level takes GND as reference)....................................... 12
3.2 USB communication.................................................................................................................................. 13
IV System Resources .........................................................................................................................15
4.1 Buffer................................................................................................................................................... 15
4.1.1 Image buffer............................................................................................................................. 15
4.1.2 Character file buffer........................................................................................................................ 15
4.2 Fingerprint Library .............................................................................................................................. 15
4.3 System Confiuration Parameter........................................................................................................... 15
4.3.1 Baud rate control (Parameter Number: 4)....................................................................................... 15
4.3.2 Security Level (Parameter Number: 5)........................................................................................... 15
4.3.3 Data package length (Parameter Number: 6).................................................................................. 16
4.4 System status register .......................................................................................................................... 16
4.5 Module password................................................................................................................................. 16
4.6 Module address.................................................................................................................................... 16
4.7 Notepad................................................................................................................................................ 16
V Communication Protocol ...............................................................................................................18
5.1 Data package format............................................................................................................................ 18
Instruction set summary................................................................................................................................... 19
3.1.5 Classified by functions............................................................................................................. 19
3.1.6 Classified by instruction order................................................................................................. 20
5.2 Check and acknowledgement of data package .................................................................................... 20
5.3 Brief Work flow................................................................................................................................... 21
VI Module Instruction System...........................................................................................................23
6.1 System-related instructions.................................................................................................................. 23
6.1.1 Verify passwoard...................................................................................................................... 23
6.1.2 Set password............................................................................................................................ 23
6.1.3 Set Module address.................................................................................................................. 24
6.1.4 Set system parameter ............................................................................................................... 24

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6.1.5 Read system Parameter............................................................................................................ 25
6.1.6 Read template index table........................................................................................................ 25
6.1.7 Read valid template number .................................................................................................... 26
6.2 Fingerprint-processing instructions ..................................................................................................... 27
6.2.1 To capture finger image........................................................................................................ 27
6.2.2 Open backlight......................................................................................................................... 27
6.2.3 Close backlight ........................................................................................................................ 28
6.2.4 Capture fingerprint no control light......................................................................................... 28
6.2.5 Handshake................................................................................................................................ 29
6.2.6 Auto Enroll fingerprint ............................................................................................................ 29
6.2.7 Auto search.............................................................................................................................. 31
6.2.8 Search (with residual judge）.................................................................................................. 31
6.1.1 Upload image........................................................................................................................... 32
6.2.9 Download the image................................................................................................................ 33
6.1.1 To generate character file from image ..................................................................................... 34
6.2.10 To generate template................................................................................................................ 34
6.2.11 To upload character or template............................................................................................... 35
6.2.12 To download character file or template.................................................................................... 36
6.2.13 To store template...................................................................................................................... 36
6.2.14 To read template from Flash library......................................................................................... 37
6.2.15 To delete template.................................................................................................................... 38
6.2.16 To empty finger library............................................................................................................ 38
6.2.17 To carry out precise matching of two finger templates............................................................ 39
6.2.18 To search finger library............................................................................................................ 39
6.3 Other instructions................................................................................................................................. 40
6.3.1 Write notepad........................................................................................................................... 40
6.3.2 Read notepad ........................................................................................................................... 40
Appendix.....................................................................................................................................42

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I Introduction
1.1 characteristics
ZFM-70 series are separate fingerprint identification modules proposed by Hangzhou Zhian Technologies
Co., Ltd., which takes Synochip DSP as the main processor and optical sensor with Zhian’s own intellectual
property rights. The module performs series of functions like fingerprint enrollment, image processing, fingerprint
matching, serching and template storage。Compared to similar fingerprint products, the ZFM-70 module has the
following characteristics:
Touch sensing intelligent, more convenient operation
Acquisition window finger touch induction, works with low power consumption, more convenient. The
ZFM-708 module with the function, the module of ZFM-706 do not have this feature.
Independent intellectual property rights, image caputered clearly
Hardware module of optical fingerprint sensor, all technologies, from Hangzhou zhian independent
development, access to a number of national patents, optical path design is excellent, can gather to the clear
fingerprint image.
Finger match in range of ±45°
When Fingerprint matching, support in range of ±45°.
Responsive, strong adaptability of fingerprints
Fingerprint image reading, has sensitive response and judgment of the dry and wet fingers, to obtain the
optimal imaging quality, wide application of the crowd. Can also be self learning and adaptive function
customization, adjust the parameters automatically according to the change of the habits of the users, such as
climate, to better match.
A particular highlight light green LED, anti-aging excellent performance
Using a specific green bright light source component, ultra low attenuation, longer service life, better
performance and more durable.
Easy to develop
Without the need for fingerprint recognition of professional knowledge can be applied, the ZFM-70 module
provides rich control instruction, can develop powerful application of fingerprint identification system。
Flexible to set security level
For different application occasions or environment, users can set different security level 1 to level 5
1.2 New features
Green LED backlight
ZFM-70 series uses green led backlight, more gentle
Backlight long bright mode
6.1.1 ZFM-70 series provide the control interface of the LED backlight.
can keep lighting.( Realize by use the command“To capture finger image
Description: detecting finger and store the detected finger image in ImageBuffer while returning

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successful confirmation code; If there is no finger, returned confirmation code would be
“can’t detect finger”.
Input Parameter: none
Return Parameter: Confirmation code (1 byte)
Instruction code: 01H
Command (or instruction) package format:
Header
Module address
Package
identifier
Package length
Instruction code
Checksum
2 bytes
4bytes
1 byte
2 bytes
1 byte
2 bytes
0xEF01
Xxxx
01H
0003H
01H
05H
Acknowledge package format:
Header
Module address
Package
identifier
Package length
Confirmation code
Checksum
2 bytes
4bytes
1 byte
2 bytes
1 byte
2 bytes
0xEF01
Xxxx
07H
0003H
xxH
Sum
Note: Confirmation code=00H: finger collection success;
Confirmation code=01H: error when receiving package;
Confirmation code=02H: can’t detect finger;
Confirmation code=03H: fail to collect finger;
”、“ Close Led”and “GetImageFree”）
ZFM-70 series also retain the old command interface , use the old command, you can shark the light when
capturing fingerprint（Realize by use the command“GetImg”）。
The faster response
By optimizing the image acquisition and pretreatment of the driver, the image acquisition and image
preprocessing process can save more time, better image quality, faster response speed.
Power on handshake
When ZFM-70 series power on, it will send a byte(0x55) to handshake, then upper computer can send other
commands.
single command to complete the enroll and search
ZFM-70 series add the commands“Autologin”and“AutoSearch”, in single command to complete the enroll
and search
1.3 Operation Principle
Fingerprint processing includes two parts: fingerprint enrollment and fingerprint matching (the matching can
be 1:1 or 1:N).
When enrolling, user needs to enter the finger two times. The system will process the two time finger images,
generate a template of the finger based on processing results and store the template. When matching, user enters
the finger through optical sensor and system will generate a template of the finger and compare it with templates
of the finger library. For 1:1 matching, system will compare the live finger with specifc template designated in the
Module; for 1:N matching, or searching, system will search the whole finger library for the matching finger. In

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both circumstances, system will return the matching result, success or failure.
1.4 Order Information
Naming of our fingerprint modules follows the following rule. When placing order with us, please fill the
correct the type name, so that we can provide better service.
ZFM—70 x x x xx x—xxx—Vxx
Optical 70 series
Firmware version
parallel wire length（mm）
Interface U：USB2.0/USB1.1
S：Serial（Series: UART）
capacity
50：5.0V
33：3.3V
6/8 6：706，without touch induction
8：708，with touch induction
X/H/L X：706 ，without touch induction
H：708，touch induction active high
L：708，touch induction active low
Voltage
1000
Hangzhou Zhiantec fingerprint module
Note: 1）Wire length means the length of parallel wire which connects optical sensor and main board. Uart communication mode is
150 mm, usb communication mode is 720 mm.
2) Software edition can be omitted in first order or neglected at all. By default, we take it as the latest edition.
3）finger library capacity support 1000

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II Main Parameters
Power
DC 3.8V-7.0V(direct
3.3V)
Interface
UART(TTL logical
level)/ USB 1.1
Back light
Green
Light type
bright/glint
Working current
Typical: <65mA
Peak: <95mA
Matching Mode
1:1 and 1:N
Baud rate
(9600*N)bps,
N=1 ～12 (default
N=6）
Character file size
256 bytes
Image acquiring time
<0.5s
Template size
512 bytes
Storage capacity
150/ 1000
Security level
5 (1, 2, 3, 4,
5(highest))
FAR
<0.001%
FRR
<1%
Average searching time
< 1s (1:500)
Window dimension
14.5mm*19.4mm
Working environment
Temp: -20℃- +60℃
Storage
environment
Temp: -40℃- +85℃
RH: 40%-85%
RH: <85%
Outline Dimention
(L*W*H)
Integral type
54*20*20.5mm

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III Hardware Interface
Whether the interface is UART or USB (hardware setting is different when out of factory, please don’t
misuse), on PCB board the connector is same type, 6-pin connector with 1.25mm space between
3.1 Serial Communication
When the FP module communicates with user device, definition of pin is as follows:
Pin Nmuber
Name
Type
Function Description
1
Vtouch
In
Touch sensor power input(color: blue)
2
Sout
Out
Touch sensor output(color:yellow)
3
Vin
In
Power input(color: red)
4
TD
in
Data output. TTL logical level (color: green)
5
RD
out
Data input. TTL logical level (color: whrite)
6
GND
－
Signal ground. Connected to power ground (color: black)
Note: ZFM-706 there is not touch induction function, the pin 1 and pin 2 not connect.
ZFM-708 thers is touch induction function, all pin is valid.
In type ,in means input to module, out means output from module.
Figure 0.1 Serial communicates interface module
3.1.1 Hardware connection
Via serial interface, the Module may communicate with MCU of 3.3V or 5V power: TD (pin 2 of J1)
connects with RXD (receiving pin of MCU), RD (pin 3 of J1) connects with TXD (transferring pin of MCU).
Should the upper computer (PC) be in RS-232 mode, please add level converting circuit, like MAX232, between
the Module and PC.

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Considering that the power consumption of the whole module, a fingerprint module only work and not work
two kinds of state, no hibernation or standby; normally closed power input of fingerprint module, the fingerprint
module does not work; when the MCU (MCU) needs to access a fingerprint module function, provide a
fingerprint module power supply input, fingerprint module work, complete the corresponding command, if you no
longer use fingerprint module, the fingerprint module power supply is cut off, the fingerprint module into the not
working state.
With ZFM-708 module touch induction (ZFM-706 does not have this feature), the default configuration
output high level effectively. The finger when no put in the acquisition window, a touch signal output is low; when
the finger on the acquisition window, a touch signal output change is high. The signal can be connected with the
single chip computer (MCU) certain interrupt feet or IO port, after receive the induction signal, awaken the MCU
(MCU), power supply to the fingerprint module, the fingerprint module begins to work.
the default power supply voltage of touch induction is 3.3V-5V, can also be directly connected with the 4
battery, the touch induction circuit the overall power consumption current of <10uA; the circuit can continuously
supply.
The touch sensing signal output, can be customized to output low level effectively, if you need this function,
please inform our company
3.1.2 Serial communication protocol
The mode is semiduplex asychronism serial communication. And the default baud rate is 57600bps. User
may set the baud rate in 9600～115200bps。
Transferring frame format is 10 bit: the low-level starting bit, 8-bit data with the LSB first, and an ending bit.
There is no check bit.
3.1.3 Reset time
At power on, it takes about 300ms for initialization. During this period, the Module can’t accept commands
for upper computer.After reset complete, the module will send a byte(0x55) .
3.1.4 Electrical paramenter (All electrical level takes GND as reference)
1.Power supply
Item
Parameter
Unit
Note
Min
Typ
Max
Power Voltage (Vin)
3.8
7.0
V
Normal working value.
Maximum Voltage
(Vinmax)
－0.3
9.0
V
Exceeding the Maximum rating may
cause permant harm to the Module.
Operation Current (Icc)
55
60
95
mA
Peak Current (Ipeak)
95
mA
2.TD（output, TTL logic level）
D00 1D7D6D5D4D3D2D11
起始位 停止位
10位帧格式

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Item
Condition
Parameter
Unit
Note
Min
Typ
Max
VOL
IOL=－4mA
0.4
V
Logic 0
VOH
IOH= 4mA
2.4
3.3
V
Logic 1
3.RD（input, TTL logic level）
Item
Condition
Parameter
Unit
Note
Min
Typ
Max
VIL
0.6
V
Loigc 0
VIH
2.4
V
Logic 1
IIH
VIH =5V
1
mA
VIH =3.3V
30
uA
VImax
－0.3
5.5
V
Maximum input voltage
3.2 USB communication
When it’s USB communication, definition is:
list 0.1 USB communication
Pin Num
Name
Type
Function Description
1
-
-
2
-
-
3
Vin
in
Power supply input（refer to 3.1.1.4 for electrical parameter）
4
DP+
In/Out
USB data
5
DP-
In/Out
USB data
6
GND
－
Signal ground. Connected to power ground.
Note: In type ,in means input to module, out means output from module.

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图0.2 USB communication interface
When use USB communication interface, all command called byAPI.
ZFM-70 series not need driver files when use in pc.
If you use in windows/linux/wince platform, you can contact our company for sdk
ZFM-70 series works in USB 2.0 full speed mode.

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IV System Resources
To address demands of different customer, Module system provides abundant resources at user’s use.
4.1 Buffer
There are an 72K-byte image buffer and two 512-byte-character-file buffer within the RAM space of the
module. Users can read & write any of the buffers by instructions.
Note: Contents of the above buffers will be lost at power-off.
4.1.1 Image buffer
ImageBuffer serves for image storage and the image format is 256*288 pixels.
When transferring through UART, to quicken speed, only the upper 4 bits of the pixel is transferred (that is
16 grey degrees). And two adjacent pixels of the same row will form a byte before the transferring. When
uploaded to PC, the 16-grey-degree image will be extended to 256-grey-degree format. That’s 8-bit BMP format.
When transferring through USB, the image is 8-bit pixel, that’s 256 grey degrees.
4.1.2 Character file buffer
Character file buffer, CharBuffer1, CharBuffer2, can be used to store both character file and template file.
4.2 Fingerprint Library
Synstem sets aside a certain space within Flash for fingerprint template storage, that’s fingerprint library.
Contents of the library remain at power off.
Capacity of the library changes with the capacity of Flash, system will recognize the latter automatically.
Fingerprint template’s storage in Flash is in sequential order. Assume the fingerprint capacity N, then the serial
number of template in library is 0, 1, 2, 3 … N. User can only access library by template number.
4.3 System Confiuration Parameter
To facilitate user’s developing, Module opens part system parameters for use. And the basic instructions are
SetSysPara & ReadSysPara. Both instructions take Parameter Number as parameter.
When upper computer sends command to modify parameter, Module first responses with original
configurations, then performs the parameter modification and writes configuration record into Flash. At the next
startup, system will run with the new configurations.
4.3.1 Baud rate control (Parameter Number: 4)
The Parameter controls the UART communication speed of the Modul. Its value is an integer N, N= [1, 12].
Cooresponding baud rate is 9600*N bps。
4.3.2 Security Level (Parameter Number: 5)
The Parameter controls the matching threshold value of fingerprint searching and matching. Security level is
divided into 5 grades, and cooresponding value is 1, 2, 3, 4, 5. At level 1, FAR is the highest and FRR is the