Velleman K8088 Manuel utilisateur
RGB Controller
K8088
ILLUSTRATED ASSEMBLY MANUAL H8088IP-1
Total solder points: 117
Difficulty level: beginner 1 2 3 4 5 advanced
Controlincandescentbulbs,LEDs,
commonanodeledstrips,etc...
Specifications
256 intensity levels/ch.
voltage output : same as input voltage
current limit possible (on-board resistor needed)
LED PWM freq. : 82Hz
power supply : 10 - 15Vdc / 9A max.
dimensions : approx 80x70x23mm
2
Features:
suited for both incandescent bulbs and LEDs
up-down level adjust for each output
hard transition effects : runnning light, Strobo, Colour loops, etc...
smooth fade effects : colour change, flame effect, random colours, slow off etc...
wide-range effect speed adjust
Hi power MOSFET outputs
memory for last selected effect & speed
easy up/down effect select
suited for common anode RGB strips
Specifications:
256 intensity levels/ch.
voltage output : same as input voltage
current limit possible (on-board resistor needed)
LED PWM freq. : 82Hz
power supply : 10 - 15Vdc / 9A max.
dimensions : approx 80x70x23mm
Features & Specifications
Ideal for use with flexible LED light lights strips, ex. RGB Led. (ordernr. LDB1-HS3027AC)
3
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 flux or grease.
• A diagonal cutter to trim excess wires. To avoid injury when cutting excess leads, hold the lead so they
cannot fly towards the eyes.
• Needle nose pliers, for bending leads, or to hold components in place.
• Small blade and Phillips screwdrivers. A basic range is fine.
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.
⇒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 leaflet.
0
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0
0
4
Assembly hints
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
REMOVE THEM FROM THE TAPE ONE AT A TIME !
DO NOT BLINDLY FOLLOW THE ORDER OF THE
COMPONENTS ONTO THE TAPE. ALWAYS CHECK
THEIR VALUE ON THE PARTS LIST!
5
R1 : 330 (3 - 3 - 1 - B)
R2 : 330 (3 - 3 - 1 - B)
R3 : 330 (3 - 3 - 1 - B)
R4,R5 & R6 : see page 9 &10
R7 : 180 (1 - 8 - 1 - B)
R8 : 390 (3 - 9 - 1 - B)
R9 : 1K (1 - 0 - 2 - B)
R10 : 47K (4 - 7 - 3 - B)
2. Resistors
R...
Construction
D1 :1N4007
CATHODE
3. Diode. Watch the polarity!
J
1. Jumper wire
RA1 : 10K (103)
4. Resistor array
!
1
IC1 :14p
5. IC socket. Watch the
position of the notch!
D...
C1 : 100nF (104)
C2 : 100nF (104)
C3 : 100nF (104)
C4 : 15pF (15)
C5 : 15pF (15)
6. Capacitors.
C...
SW2 : Blue up
SW3 : Green up
SW4 : Red up
SW5 : Red down
SW6 : Green down
SW7 : Blue down
7. Push buttons
SW...
6
C6 : 100µF / 25V
11. Electrolytic Capacitor.
Watch the polarity !
C...
SW1 : ON / OFF
SW8 : RGB / effect -mode
8. Switches
SW1.
construction
VR1 : UA78L05
9. Voltage regulator
VR...
SK1 : 2p "12Vdc"
SK2 : 2p "Red"
SK3 : 2p "Green"
SK4 : 2p "Blue"
10. Terminal blocks
X1 : 20MHz
12. Crystal
X...
7
Construction
LD1 : 3mm Red "R"
LD2 : 3mm Green "G"
LD3 : 3mm Blue "B"
COLOR= 2...5
LD...
CATHODE
12. LEDs. Watch the polarity!
17mm
14mm
TR1 : BUK9535-55
TR2 : BUK9535-55
TR3 : BUK9535-55
13. Transistors
14mm
IC1 : VK8088
(programmed PIC16F630-I/P)
14. IC
IMPORTANT
Apply an extra layer of
solder on all copper
PCB tracks.
8
Description
Description
1) On/off switch
2) Mode switch. Select between ‘RGB’- and ‘Effect’-mode
‘RGB’-mode: Red, Green and Blue output levels can be
individually adjusted by means of the up/down buttons
‘Effect’-mode: Allows to choose between 11 built-in effects
3) Output indicator leds.
4) Power supply connector.
5) RED output (3A DC max.)
6) GREEN output (3A DC max.)
7) BLUE output (3A DC max.)
8) RED-level down / ‘previous effect’-button
9) RED-level up / ‘next effect’-button
10) GREEN-level down / ‘reduce effect speed’-button
11) GREEN-level up / ‘increase effect speed’-button
12) BLUE-level down / ‘previous colour’-button
13) BLUE-level up / ’next colour’-button
3
7654
1
9
8
8
10
12
2
11
13
9
Connection
Connection
Incandescent lightbulb or halogen lightbulb:
connect the lightbulb to the output R, G or B.
Place a wire jumper for R4, R5 and R6.
Polarity is not important. 3A /channel max (36W@12V).
LED-strip with common anode (+) :
Connect the common anode to the (+) of the 12VDC power supply.
Connect the cathode (-) of each colour to the (-) of R,G or B on the K8088.
Place a wire jumper for R4, R5 and R6.
Max. current consumption is 3A/channel.
12VDC
- +
12VDC
- +
COM
Anode R G B
10
LED:
LEDs require a series resistor (R4, R5 or R6)
Determine led voltage drop (Check manufacturer datasheet).
Rule of thumb: red: 1.7V, green: 2V, blue: 3..4V).
Next, check required LED current.
Example:
Red LED, 1.7V drop, required current: 20mA
Resistor calculation: (12V-1.7V) / 0.020 = 515 ohm (choose nearest value,
e.g. 560 ohm)
Resistor power rating calculation: (12V-1.7V) x (12V-1.7V) / 560 = 0.19W
(choose a 0.25W resistor)
Connection
12VDC
- +
C (-)
A (+)
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