Monday Kids 60 Second Countdown Timer DIY Kit Red Smart Timing Alarm Electronic Parts and Components Eletronicos Electronic DIY

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  • Brand Name: Monday Kids
  • Model Number: Magnetic suspension
  • Application: Computer
  • Condition: New
  • Type: Logic ICs
  • Operating Temperature: none
  • Dissipation Power: none
  • is_customized: Yes
  • Supply Voltage: DC12V

1.Description:

60 second countdown timer.Realize a fixed time countdown. After the time is end, start the alarm and generate 3-4 alarms.It can be used for prompters, match reminders,timeout reminder.

2.Features:

1>.Fixed 60 seconds countdown without resetting.

2>.Low power consumption.

3>.RED LED indicator.

4>.Automatic alarm.

5>.Custom assembly.

3.Parameters :

1>.Name:60 seconds electronic countdown timer

2>.Model:ETI-60

3>.Stand by current:=<8mA

4>.Working voltage:DC5V

5>.Working current:=<10mA

6>.Countdown time:60 seconds

7>.Countdown to end prompt:Three times alarm song

8>.Soldering difficulty:General

9>.PCB size:84mm*84mm

4.Application:

1>.Prompter

2>.Match reminders

3>.Timeout reminder

5.Component Listing:

NO.

Component Name

PCB Marker

Parameter

QTY

1

Metal Film Resistor

R4

470R

1

2

Metal Film Resistor

R3

1K

1

3

Metal Film Resistor

R1

6.8K

1

4

Metal Film Resistor

R6,R7,R9-R11

10K

5

5

Metal Film Resistor

R5,R8

22K

2

6

Metal Film Resistor

R2

68K

1

7

Ceramic Capacitor

C2,C5

104P

2

8

Electrolytic Capacitor

C1,C3

10uF

2

9

Electrolytic Capacitor

C4

220uF

1

10

LED

D1-D61

Red 3mm

61

11

CD4069

U4

DIP-14

1

12

CD4017

U2,U3

DIP-16

2

13

NE555

U5

DIP-8

1

14

S8050

Q1-Q4

TO-92

4

15

Diode

D62

1N4148

1

16

Button switch

S2,S3

6*6*9mm

2

17

Self-locking switch

S1,S4

6*6mm

2

18

Buzzer

SPK1

5V 9*12mm

1

19

Power supply socket

CN1

DC3.5mm

1

20

PCB

——

84*84*1.2mm

1

21

USB power cable

——

100cm

1

Note:More detailed installation manual, please contact us!!!We send PDF documents to you.

6.Note:

1>.Please make sure all components in right dirction and right place.

2>.Please check whether pseudo welding.

3>.The soldering iron cannot contact the components for a long time, otherwise it is easy to damage the components due to high temperature.

7.Use step:

1>.Press ‘START’ key to began countdown.

2>.Press ‘PAUSE’ key to pause countdown and LED D61 will flashes.Press again and continue counting down.

3>.Press ‘STOP’ key to pause countdown and reset.

4>.Countdown ends, buzzer alarm.

8.Frequency asked questions:

1>.Why didn't send a instruction?

Q :We have a instruction.But we can only send to your email and cannot be sent with item.

2>.Can the countdown time be adjusted?

Q :No,it can not.Fixed for 60 seconds.

3>.Is it already installed??

Q :No,it is kits.Need the user to assemble.



  • Unit Type: piece
  • Package Weight: 0.08kg (0.18lb.)
  • Package Size: 15cm x 12cm x 10cm (5.91in x 4.72in x 3.94in)

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