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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)
Quantity | 3+ | 5+ | 10+ |
Price | $4.20 | $3.99 | $3.50 |
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