Best Price - 60 Second Countdown Timer DIY Kit Red Smart Timing Alarm Electronic Parts and Components Eletronicos Electronic DIY Wonderfull
Best Price - 60 Second Countdown Timer DIY Kit Red Smart Timing Alarm Electronic Parts and Components Eletronicos Electronic DIY Best Price
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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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.
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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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