Discovery Telecom MINDBLOWN Manuel d'instructions - Page 16

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Piano with Four Groups of Keyboard-Activated LEDs and Brightness Control
38
4-23 • 24-28-40 • 39-38 • 37-2 • 1-36 • 29-12-10-8-6 • 5-42 • 7-43 • 9-44 • 11-45 • 41-3
Turn on the Main Switch. Whenever a piano key is played an LED will light up. Each set of four keys is grouped with an LED and their
brightness can be adjusted by turning the knob on the Variable Resistor.
24
23
4
3

Piano with Four Groups of Keyboard-Activated LEDs and Volume Control

39
4-23 • 24-40-6-8-10-12 • 11-45 • 9-44 • 7-43 • 5-42 • 2-37 • 36-1 • 38-16-29 • 28-39 • 41-27-15-3
Slide on the Main Switch. Whenever a piano key is played an LED will light up. Each group of four keys is grouped with an LED. The
volume can be adjusted by turning the knob on the Variable Resistor.
24
23
16
29
4
15
27
3
DID YOU KNOW?
Each of the three resistors on the board has a code printed on it to show its
resistance value. Each color band represents a number. Read it left to right with
the silver or gold band last. Those indicate tolerance. Use the chart at right to see
the "secret" code.
The 1KΩ resistor' s bands are: Brown•Black•Red•Gold or
Resistors can also have 3, 5 or 6 bands.
CIRCUITRY KEYBOARD
28
40
39
SPK1
VCC
SPK2
38
37
LED1
POT1
LED2
39
38
LED3
POT2
LED4
40
41
LED5
GND
39
40
SPK1
VCC
SPK2
37
38
LED1
POT1
LED2
38
39
28
LED3
POT2
LED4
41
40
LED5
GND
1 0 (x) 100Ω ±5%
10 x 100 = 1,000 which can be written as 1K
29
27
6
1
2
36
5
37
42
43
44
45
46
6
1
2
36
5
37
42
43
44
45
46
Color
1
Digit
2
Digit
st
nd
Black
0
0
Brown
1
1
Red
2
2
Orange
3
3
Yellow
4
4
Green
5
5
Blue
6
6
Violet
7
7
Grey
8
8
White
9
9
Gold
Silver
ELECTRONIC CIRCUIT EXPERIMENT KIT
8
10
12
7
9
11
8
10
12
7
9
11
Multiplier
Tolerance0
1Ω
10Ω
±1%
100Ω
±2%
1KΩ
X
10KΩ
100KΩ
±0.5%
1MΩ
±0.25%
±0.1%
±0.05%
0.1Ω
±5%
0.01Ω
±10%