Velleman K8101 Manuel utilisateur
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
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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
- 5 -
- 6 -
DO NOT BLINDLY FOLLOW THE ORDER OF THE
COMPONENTS ONTO THE TAPE. ALWAYS CHECK THEIR
VALUE ON THE PARTS LIST!
- 7 -
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
4
!
Watch the popsition
of the notch!
R...
Ceramic Capacitors
3
C1 : 100nF (104)
C2 : 100nF (104)
C4 : 100nF (104)
C5 : 100nF (104)
C8 : 100nF (104)
IC1: 28p
c...
Diodes
CATHODE
D...
D1 : 1N4148
2
CATHODE
D...
CATHODE
D...
Vertical diodes
5
CATHODE
D...
CATH-
D2 : 1N4148
Voltage regulator
6
VR...
VR1 : LM317LZ
K8101B
BOTTOM
LCD
R2
R6
D1
C8
+
C9
SW1
C7
C6
X1
BUZ1
+
R3
1
SK2
VR1
SK1
R8
C10
R7
1
IC1
C3
+
C1
C5 C2
C4
K8101B’2
T1
SK4
R5
R4
D2
1
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R1
() Break the three circuit boards from
each other.
R2
R6
D1
C8
+
C9
SW1
C7
C6
X1
BUZ1
+
R3
1
SK2
VR1
SK1
R8
C10
R7
1
IC1
C3
+
C1
C5 C2
C4
K8101B’2
T1
SK4
R5
R4
D2
1
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R1
I. CONSTRUCTION
()
()Watch the polarity!
Watch the
polarity!
- 8 -
Construction
X1 : 12MHz
X. . . .
Quartz crystal
13
Male header
14
SK4 : 18p
C... Watch the polarity!
C3 : 4,7µF
C9 : 10µF
Electrolytic capacitors
12 K8101T
Solderside !
Ceramic Capacitors
2
C11...C20 : 1µF (105)
c...
R9: 1MΩ (1 - 0 - 5 - 9)
Resistors
1
R...
Transistor
7
T1 : BC547B
Ceramic Capacitors
8
C6 : 22pF (22)
C7 : 22pF (22)
C10 : 10nF (103)
c...
Push button
9
SW1
Buzzer
10
BUZ1
+
BUZ1
BUZ1
USB connector
11
SK1
LCD
IC
15
Watch the position of
the notch!
IC1 :VK8101
(programmed PIC18F27J53-ISP)
- 9 -
Construction
Female header
3
SK3 : 18p
K8101T
Topside !
LCD
1
LCD
LCD
LCD
SOLDERSIDE
SOLDERSIDE
Solder on backside !
Be careful when soldering the LCD connections.
Overheating will damage the LCD screen.
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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