Home > DIY Module > Function DIY > Red Countdown Timer 60s Rotary Electronic Clock DIY Kit 60s Rotate Seconds Count Smart Timing Alarm Electronics Circuit Teaching DIY Kits

Red Countdown Timer 60s Rotary Electronic Clock DIY Kit 60s Rotate Seconds Count Smart Timing Alarm Electronics Circuit Teaching DIY Kits

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$6.49 $4.54
Quantity3+5+10+
Price$4.20$3.99$3.50
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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.

Features:
1>.Fixed 60 seconds countdown without resetting.
2>.Low power consumption.
3>.RED LED indicator.
4>.Automatic alarm.

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

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

Schematic Diagram:

 


 

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.

Using 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.

 
Download the Installation Manual Here:
 


Finished Product Picture:

 

I. Tested by ICStation's Outstanding Partner bzoli5706:
(GIF Picture as followings:)


 

Learn More Details in the Video:
(The language in the video is English)

 

II. Tested by ICStation's Outstanding Partner Workshop MasterOK electronics Repair:

Learn More Details in the Video:
(The language in the video is Russian)

Quantity3+5+10+
Price$4.20$3.99$3.50
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