Velleman K8101 Manual de usuario

Add another screen to your computer that shows the

information you want! Even if your main screen is off.

ILLUSTRATED ASSEMBLY MANUAL H8101IP’1

ILLUSTRATED ASSEMBLY MANUAL

H8101IP’1

K8101

USB MESSAGE

BOARD

Forum

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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 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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- 6 -

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)

Resistors

1IC socket

Watch the popsition

of the notch!

R...

Ceramic Capacitors

C1 : 100nF (104)

C2 : 100nF (104)

C4 : 100nF (104)

C5 : 100nF (104)

C8 : 100nF (104)

IC1: 28p

c...

Diodes

CATHODE

D...

D1 : 1N4148

CATHODE

D...

CATHODE

D...

Vertical diodes

CATHODE

D...

CATH-

D2 : 1N4148

Voltage regulator

VR...

VR1 : LM317LZ

K8101B

BOTTOM

LCD

SW1

BUZ1

SK2

VR1

SK1

C10

IC1

C5 C2

K8101B’2

SK4

www.velleman.eu

() Break the three circuit boards from

each other.

SW1

BUZ1

SK2

VR1

SK1

C10

IC1

C5 C2

K8101B’2

SK4

www.velleman.eu

I. CONSTRUCTION

()

()Watch the polarity!

Watch the

polarity!

- 8 -

Construction

X1 : 12MHz

X. . . .

Quartz crystal

Male header

SK4 : 18p

C... Watch the polarity!

C3 : 4,7µF

C9 : 10µF

Electrolytic capacitors

12 K8101T

Solderside !

Ceramic Capacitors

C11...C20 : 1µF (105)

c...

R9: 1MΩ (1 - 0 - 5 - 9)

Resistors

R...

Transistor

T1 : BC547B

Ceramic Capacitors

C6 : 22pF (22)

C7 : 22pF (22)

C10 : 10nF (103)

c...

Push button

SW1

Buzzer

BUZ1

BUZ1

USB connector

SK1

LCD

Watch the position of

the notch!

IC1 :VK8101

(programmed PIC18F27J53-ISP)

- 9 -

Construction

Female header

SK3 : 18p

K8101T

Topside !

LCD

SOLDERSIDE

Solder on backside !

Be careful when soldering the LCD connections.

Overheating will damage the LCD screen.

- 10 -

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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