ICStation Electronic Dice DIY Kit 7pcs 5mm Red LEDs

Description

Electronic Dice Kit Instructions

Electronic dice kit is based on the NE555 oscillator circuit and fun circuit CD4017 counter display kit. Can simulate the dice, make fun of the game.

One. Kit parameters:
Supply voltage: 4.5-5V
Dimensions: 74 * 35mm

ICStation Electronic Dice DIY Kit 7pcs 5mm Red LEDs

Two. Function play:
When a power-up, 7 LED will randomly display a number of points, players press the switch S1,7 all lit LED only after about 7 seconds LED light starts blinking, until finally showed stable points. Throughout the end of the first “crap” process.

Three. Circuit:
circuit mainly by the pulse generator and a decade counter circuit. Pulse generator and external elements by NE555 multivibrator, when you press the button S1 when Q1 turns on, the output pulse NE555 3 feet, then five turns the output CD4017 output high, resistors and transistors by different combination, can drive seven LED light to indicate the number of points 1-6 points.

ICStation Electronic Dice DIY Kit 7pcs 5mm Red LEDs SchematicFive. Component list:

serial number
Component
Value
Label
serial number
Component
Value
Label
1
resistance
470R
R8 R9 R10
11
audion
S8050
Q2 Q4 Q5
2
1K
R7
12
S8550
Q1 Q3
3
10K
R3–R6 R12–R16
13
IC socket
8PIN
U1
4
3.3M
R2
14
16PIN
U2
5
4.7M
R11
15
IC
NE555
U1
6
10M
R1
16
CD4017
U2
7
capacitance
104P
C2
17
Terminal
XH2.54 2P
J1
8
1uF/50V
C1
18
Power line
XH 2P
1
9
LED
Ф5
D1–D7
19
PCB
FR-4
74*35mm
10
touch switch
6*6*5
S1
20
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