Electronic Dice NE555 LED Module CD4017 DIY Kit 5mm Red LED 4.5-5V ICSK057A Electronic Module Fun Kit

Description

• Electronic Dice NE555 LED Module CD4017 DIY Kit 5mm Red LED 4.5-5V ICSK057A Electronic Module Fun Kit

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.
1. Kit parameters:
Supply voltage: 4.5-5V
Dimensions: 74 * 35mm
2. 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.
3.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.
4.Circuit diagram:
5.Component list:
serial number
Component
Value
Label
serial number
Component
Value
Label
01
resistance
470R
R8 R9 R10
11
audion
S8050
Q2 Q4 Q5
02
1K
R7
12
S8550
Q1 Q3
03
10K
R3--R6
R12--R16
13
IC socket
8PIN
U1
04
3.3M
R2
14
16PIN
U2
05
4.7M
R11
15
IC
NE555
U1
06
10M
R1
16
CD4017
U2
07
capacitance
104P
C2
17
Terminal
XH2.54 2P
J1
08
1uF/50V
C1
18
Power line
XH 2P
1
09
LED
5RED
D1--D7
19
PCB
FR-4
74*35mm
10
touch
touch
switch
6*6*5
S1
20
8094
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