60 Second Countdown Timer DIY Kit

$12.95

60-second countdown timer clock. Uses a fixed time countdown. After the time ended, activate the alarm and generate 3-4 signals. It can be used for prompters, game reminders, timeout reminder.

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60 Second Countdown Timer DIY Kit

$12.95

SKU: 32881515645 Categories: ,

Features:

  1. Fixed 60 seconds countdown without resetting.
  2. Low power consumption.
  3. RED LED indicator.
  4. Automatic alarm.
  5. Custom assembly.

Parameters :

  • Name: 60 seconds electronic countdown timer
  • Model: ETI-60
  • Stand by current: =<8mA
  • Working voltage: DC5V
  • Working current: =<10mA
  • Countdown time: 60 seconds
  • Countdown to end prompt: Three times alarm song
  • Soldering difficulty: General
  • PCB size: 84mm*84mm

4.Application:

  1. Prompter
  2. Match reminders
  3. Timeout reminder

Components:

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:

  1. Please make sure all components in the right direction 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 the high temperature.

Usage Steps:

  1. Press ‘START’ key to activate the countdown.
  2. Press ‘PAUSE’ key for halting the countdown and the LED D61 will flash. Press once more and it will continue counting down.
  3. Press the ‘STOP’ key to pause the countdown and reset.
  4. The countdown ends, buzzer alarm.

Frequency asked questions:

  1. Can the countdown time be adjusted?
    No, it can not. Fixed for 60 seconds.
  2. Is it already installed?
    No,it is kits.Need the user to assemble.

 

Comments

comments

Weight0.08 kg
Dimensions15 × 12 × 10 mm
Model Number

Magnetic suspension

Application

Computer

Condition

New

Type

Logic ICs

Operating Temperature

none

Brand Name

IS

Dissipation Power

none

is_customized

Yes

Supply Voltage

DC12V

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