Add another screen to your computer that shows the information you want! Even if your main screen is off.

ILLUSTRATED ASSEMBLY MANUAL H8101IP’1ILLUSTRATED ASSEMBLY MANUAL H8101IP’1

K8101

USB MESSAGE BOARD

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Features• 4 downloadable example programs with source code supplied

• Twitter Display: displays the incoming feeds• Mail Display: shows incoming mail subjects• Drive Display: shows info of your HDD• Eyes Display: mouse movement and click animation

• DLL supplied to easily code your own applications (VB.net - C#)• 1 Button with 2 programmable functions (short & long press)• Equipped with a buzzer that can be confi gured through software• A test program (with source code) can also be downloaded to

test all functions of the kit (button, backlight, buzzer, LCD draw routines)

• Available commands: • Send images to the display (.BMP 128x64)• Draw or erase pixels• Draw or erase a square• Draw or erase a line• Activate the buzzer by sending a beep amount (0-255)• Activate the backlight by sending an “ON-time” (0-254 sec

/ 255 = always on)• Send small or big text• Change the contrast• Invert the display• Clear everything but the background image• Clear everything• Do something on a short button press• Do something on a long button press

Specifi cations• LED - Backlight (white)• LCD resolution: 128 x 64 pixels• USB powered• Max. power consumption: 35 mA• dimensions: 77.5 x 60.5 x 38 mm (3.05” x 2.4” x 1.5”)

Add another screen to your computer that shows the information you want! Even if your main screen is off.

For software, visit www.vellemanprojects.eu

Supply voltage (V) - led voltage (V)

required current (A)= series resistance (ohms)

required current (A)= series resistance (ohms)

Required resistor power handling= voltage over resistor x current passed trough resistor

9V - 1.7V

0.005A= 1460 ohm

9V - (3 x1.7V)

0.005A= 780 ohm

(9V - 1.7V) x 0.005A = 0.036W

closest value : use a 1k5 resistor

use an 820 ohm resistor

a standard 1/4W resistor will do the job

Supply voltage (V) - (number of leds x led voltage (V))

How to Calculate the series resistor:Example: operate a red led (1.7V) on a 9Vdc source. Required led current for full brightness: 5mA (this can be found in the datasheet of the led)

LEDs in series:

Example: 3 x red led (1.7V) on 9V battery Required led current for full brightness: 5mA (this can be found in the datasheet of the led)

Leds feature a specifi c voltage drop, depending on type and colour. Check the datasheet for exact voltage drop and rated current !

Never connect leds in parallel

Leds and how to use them

An open collector output can be compared to a switch which switches to ground when operated

Example: How to switch an LED by means of an open collector output

open collector outputs

assembly hints

1. Assembly (Skipping this can lead to troubles ! )Ok, so we have your attention. These hints will help you to make this project successful. Read them carefully.

1.1 Make sure you have the right tools:• A good quality soldering iron (25-40W) with a small tip.• Wipe it often on a wet sponge or cloth, to keep it clean; then apply solder to the tip, to give it a wet look. This is called ‘thinning’ and

will protect the tip, and enables you to make good connections. When solder rolls off the tip, it needs cleaning.• Thin raisin-core solder. Do not use any fl ux or grease.• A diagonal cutter to trim excess wires. To avoid injury when cutting excess leads, hold the lead so they cannot

fl y towards the eyes.• Needle nose pliers, for bending leads, or to hold components in place.• Small blade and Phillips screwdrivers. A basic range is fi ne.

For some projects, a basic multi-meter is required, or might be handy

1.2 Assembly Hints :• Make sure the skill level matches your experience, to avoid disappointments.• Follow the instructions carefully. Read and understand the entire step before you perform each operation. • Perform the assembly in the correct order as stated in this manual• Position all parts on the PCB (Printed Circuit Board) as shown on the drawings. • Values on the circuit diagram are subject to changes, the values in this assembly guide are correct*• Use the check-boxes to mark your progress.• Please read the included information on safety and customer service

* Typographical inaccuracies excluded. Always look for possible last minute manual updates, indicated as ‘NOTE’ on a separate leafl et.

1.3 Soldering Hints :

1. Mount the component against the PCB surface and carefully solder the leads

2. Make sure the solder joints are cone-shaped and shiny

3. Trim excess leads as close as possible to the solder joint

0.000

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DO NOT BLINDLY FOLLOW THE ORDER OF THE COMPONENTS ONTO THE TAPE. ALWAYS CHECK THEIR

VALUE ON THE PARTS LIST!

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Construction

* metalfi lm resistor !

R1 : 15Ω (1 - 5 - 0 - B) R2 : 10KΩ (1 - 0 - 3 - B) R3 : 10Ω (1 - 0 - 0 - B) R4 : 680 (6 - 8 - 0 - 0 - 1)*

R5 : 1K (1 - 0 - 0 - 0 - 1)*

R6 : 10KΩ (1 - 0 - 3 - B) R7 : 10KΩ (1 - 0 - 3 - B) R8 : 4K7 (4 - 7 - 2 - B)

Resistors1 IC socket4

!Watch the popsition

of the notch!R...

Ceramic Capacitors3 C1 : 100nF (104) C2 : 100nF (104) C4 : 100nF (104) C5 : 100nF (104) C8 : 100nF (104)

IC1: 28p

c...

Diodes

CATHODE

D...

D1 : 1N4148

2CATHODE

D...

CATHODE

D...

Vertical diodes5

CATHODE

D...

CATH-

D2 : 1N4148

Voltage regulator6

VR...

VR1 : LM317LZ

K8101BBOTTOM

LCD

R2

R6

D1

C8

+ C9

SW

1

C7

C6

X1

BU

Z1

+

R3

1S

K2 VR

1

SK

1

R8

C10R

7

1

IC1

C3+

C1

C5 C2

C4

K8101B’2

T1

SK

4

R5

R4

D2

1

www.velleman.eu

R1

() Break the three circuit boards from each other.

R2

R6

D1

C8

+ C9

SW

1

C7

C6

X1

BU

Z1

+

R3

1S

K2 VR

1

SK

1

R8

C10R

7

1

IC1

C3+

C1

C5 C2

C4

K8101B’2

T1

SK

4

R5

R4

D2

1

www.velleman.eu

R1

I. CONSTRUCTION

()

() Watch the polarity!

Watch the polarity!

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Construction

X1 : 12MHz

X. . . .

Quartz crystal13

Male header14 SK4 : 18p

C... Watch the polarity!

C3 : 4,7µF C9 : 10µF

Electrolytic capacitors12 K8101TSolderside !

Ceramic Capacitors2

C11...C20 : 1µF (105)

c...

R9: 1MΩ (1 - 0 - 5 - 9)

Resistors1R...

Transistor7

T1 : BC547B

Ceramic Capacitors8 C6 : 22pF (22) C7 : 22pF (22) C10 : 10nF (103)

c...

Push button9 SW1

Buzzer10 BUZ1

+

BUZ1 BUZ1

USB connector11 SK1

LCD

IC15

Watch the position of the notch!

IC1 :VK8101(programmed PIC18F27J53-ISP)

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Construction

Female header3

SK3 : 18p

K8101TTopside !

LCD1

LCD

LCD

LCD

SOLDERSIDESOLDERSIDE

Solder on backside !

Be careful when soldering the LCD connections. Overheating will damage the LCD screen.Overheating will damage the LCD screen.!

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Assembly

II. ASSEMBLY

LCD

M3 bolt

M3 nut

K8101T

Metal distance bolt(20mm M3)

K8101B

M3 bolt

Bolts(8x)

Nuts(8x)

Distance bolts(4x)

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Software installtion

III. SOFTWARE INSTALLATIONAfter assembly of the circuit, it is now time to install the software.

For software, visit www.vellemanprojects.eu

Step 1: Download the software on our website or via the QR-code.

Step 2: open the fi le en select the software. Step 3: Select “next” to begin the installation procedure.

Step 4: Select the destination on your PC Step 5: Select the type of installation, we recommend the full installation

Step 6: Select additional tasks you would like to be performed.

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Driver installation & programs

Step 7: Select “install” for installing the software.

Step 8 : Click “fi nish” to exit setup.

IV. DRIVER INSTALLATION

V. PROGRAMS

Connect the USB connector of the K8101 to your PC using an USB cable. With the fi rst connection, you should install the USB driver onto the PC fi rst. You can download the manual for installing the driver on our website or via the QR-code.

For software, visit www.vellemanprojects.eu

Eyes - display : mouse movement and click animation.Source can be found on: “c:\...\k8101\Eyes Display\source”

Mail - display : shows incoming mail subjects.Source can be found on: “c:\...\k8101\Mail Display\source”

Test program : create your won text or bitmap images on the screen.Source can be found on: “c:\...\k8101\Test Display\source”

Drive - display : shows info of your HDD.Source can be found on: “c:\...\k8101\Drive Display\source”

Twitter - display : displays the incoming feeds mail.Source can be found on: “c:\...\k8101\Twitter Display\source”

DLL for programming your own software can be found on: “c:\...\k8101\k8101 Library\”

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PCB

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LCD-DB0LCD-DB1LCD-DB2LCD-DB3LCD-DB4LCD-DB5LCD-DB6LCD-DB7

LCD-A0

LCD-WRLCD-RD

LCD-BL

3V3

10KR2

GND

GND

VPP 1

VDD 2

GND 3

PGD 4

PGC 5

ICSP CONNECTORSK2

VBUS 1

USB_D- 2

USB_D+ 3

GND 4

6 5

USB CONSK1

GND

100n

C2

4µ7

C3

GND

10R3

100n

C4

3V3

GND

680R4

1KR5

GND

100n

C5

GND

3V3

GND

3V3

GND

100n

C1

12MHz

X1

SW PUSH BUTTONSW1

22pC7

22pC6

RA0/AN0/C1INA/ULPWU/RP02

RA1/AN1/C2INA/VBG/RP13

RA2/AN2/C2INB/C1IND/C3INB/VREF-/CVREF4

RA3/AN3/C1INB/VREF+5

VD

DC

OR

E/V

CA

P6

RA5/AN4/C1INC/SS1/HLVDIN/RCV/RP27

RB0/AN12/C3IND/INT0/RP3 21

RB4/CCP4/KBI0/SCK1/SCL1/RP7 25

RB2/AN8/C2INC/CTED1/VMO/REFO/RP5 23

RB3/AN9/C3INA/CTED2/VPO/RP6 24

RB1/AN10/C3INC/RTCC/RP4 22

RB5/CCP5/KBI1/SDA1/RP8 26

RB6/CCP6/KBI2/PGC/RP9 27

RB7/CCP7/KBI3/PGD/RP10 28

RC0/T1OSO/T1CKI/RP11 11

RC1/CCP8/T1OSI/UOE/RP12 12

RC2/AN11/C2IND/CTPLS/RP13 13VU

SB14

RC4/D-/VM 15

RC5/D+/VP 16

RC6/CCP9/TX1/CK1/RP17 17

RC7/CCP10/RX1/DT1/SDO1/RP18 18

VSS

18

VSS

219

MCLR1

RA7/OSC1/CLKI9

RA6/OSC2/CLKO10

VD

D20 PIC18F27J53-I/SP

IC1

ELCO RAD 10µC9

10nC10

GND

4K7R8

3V3

DB011

DB110

DB29

DB38

DB47

DB56

DB65

DB74

A014

RD12 WR13

CS1B16

C863

VSS

1V

DD

2

RES15

A 17

K 18

64128NLCD1

GND

3V3

15R1

LCD-A0LCD-WRLCD-RDLCD-DB0LCD-DB1LCD-DB2LCD-DB3LCD-DB4LCD-DB5LCD-DB6LCD-DB7

LCD-BL

1N4148D1

10KR6

100n

C8

10K

R7BC547T1

+

-

BUZZER

BUZ1

GND

1N4148D2

I O

AD

J

LM317LZVR1

3v3

2468101214

13579

111315161718

SK3GND

3v3

RESRS R/WE DB0DB1 DB2DB3 DB4DB5 DB6DB7 C86

AKCS1B

DB06

DB17

DB28

DB39

DB410

DB511

DB6/SCL12

DB7/SI13

RS3

E5 R/W4

CS1B1

C8628

VSS

15V

DD

14

RES2

AK

VOUT 16

CAP3P 17

CAP1N 18

CAP1P 19

CAP2P 20

CAP2N 21

V4 22

V3 23

V2 24

V1 25

V0 26

PSB29

VD

D27

VSS

30LC

D A

RR

OW

TEC

H A

TP1

2864

WP6

7LC

D

GND

1µ C11

1µ C12

1µ C13

1µ C14

1µ C15

1µ C16

1µ C17

1µ C18

1µ C19

GND

1µC20

RS

RES

R/WEDB0DB1DB2DB3DB4DB5DB6DB7CS1B

C86 AK

1/8W

RE

SIST

OR

1M

R9

Diagram

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Velleman N.V.Legen Heirweg 33

9890 Gavere(België)

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www.vellemanprojects.eu

Modifi cations and typographical errors reserved - © Velleman nv. H8101’IP Velleman NV, Legen Heirweg 33 - 9890 Gavere.