HT562T Digital Clock With 4 Timers (Relay) / Electronics Kit

Item ID : 183976358
HT562T Digital Clock With 4 Timers (Relay) / Electronics Kit
Sale Price : RM 76.32
Price includes GST (6%)
Shipping (*Exclude GST) :
Peninsular :RM7Sabah, Labuan:RM10Sarawak:RM9
Option :
Ship To : Within Malaysia, ship by Courier Services, Self Collect
Item at : Johor Bahru / Johor
Views : 1590

HT562T Digital Clock With 4 Timers (Relay) / Electronics Kit


The HT562T is a Digital Clock with 4 timers in a single relay output which can be used to turn any external device (such as buzzer, siren, etc...) on and off based on preset time. Ideal option for use in home and office. It includes a piece of display board which provides a 6 digit display of hours, minutes and seconds. 



  • Input Voltage: 12Vdc or 9Vac
  • Used AT89C2051 microcontroller IC
  • 0.5" Seven Segment Display for Hours, Minutes, Seconds
  • Reverse Polarity Protection
  • LED Indicator for Relay On
  • With Relay Output (4 Timers)
  • Build in Full Wave Rectifier Circuit which allowed to power the board by Transformer (9 0 9 1A)


Assembly Instructions

  • Check off the components in the package against the component listing before assembly.
  • Start with the smallest components working up to the taller components, soldering any interconnection wires last.
  • Place and Solder the components into the board, make sure the components are in right position according to the overlay of PCB


Test & Adjustment

  • After assembled, please check & ensure the value & polarity for all components were inserted into PCB correctly, wrong polarity connection of capacitors can caused explosion of failure.
  • Next, ensure all these leads are soldered, no solder bridges between adjacent pads and no dry joint.
  • Refer table below for the function of buttons:
    Button Function Description
    SW1 Hour To set the Hour
    SW2 Minute To set the Minute
    SW3 Second To set the Second
    SW4 Start To start the clock / timer
    SW5 Stop To pause the clock
    SW6 Timer To set the Timer1, Timer2, Timer3 and Timer4
    SW7 Reset To reset all setting to "0"


  • Once confirmed, connect the power source to the circuit board, user will see "00 00 00" on the seven segment display.
  • To set the current time, press the button (SW1), (SW2) and (SW3) repeatedly until the desired hour, minute and second appears in the seven segment display. The clock starts running once the button (SW4) is pressed.
  • For timer setting, first of all, press the button (SW5) to pause the clock, and then press the button (SW6) to select Timer1, Timer2, Timer3 and Timer4. (only Hour & Minute are allowed to be set) At first user will see "1ϲ 00 00" on the seven segment display which means 1st Timer Start Time. Next, set the desired hour & minute by pressing the button (SW1) & (SW2) respectively. Once completed, press the button (SW6) again to set the 1st Timer Stop Time, the seven segment will display "1ɔ 00 00", use the button (SW1) & (SW2) to set the desired hour & minute. The same goes to the setting for Timer2 & Timer3 and Timer4, refer table below for details:
    Seven Segment Display Timer
    1ϲ 00 00 1st Timer start time
    1ɔ 00 00 1st Timer stop time
    2ϲ 00 00 2nd Timer start time 
    2ɔ 00 00 2nd Timer stop time 
    3ϲ 00 00 3rd Timer start time 
    3ɔ 00 00 3rd Timer stop time
    4ϲ 00 00 4th Timer start time
    4ɔ 00 00 4th Timer stop time


  • Press the button (SW4) after completed the setting for all 4 Timers, the clock starts running and Relay will be energized to turn the device on and off respectively based on the preset time. 
  • Press the button (SW7) to reset all setting to "0" if needed.



  • Package includes schematic, printed circuit board and components
  • You need to have a soldering skill and basic knowledge of testing
  • For any inquiry or other technical problem, please contact us through or 07-3344473

Last Updated @ 7/14/2016 4:44:25 PM

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Q&A (7) - View All
fadlykhairy ask: (2013/8/29 23:09)  
can i have the coding?? can i buy it?? how much??
hitectrons reply: (2013/8/30 16:06)  
Sorry to inform that we cannot disclosed the source code, Thanks.
fadlykhairy ask: (2013/8/29 10:43)  
on my setting?? how to do it?? with coding??
hitectrons reply: (2013/8/29 11:00)  
Yes, based on your own setting, pls refer to the timer setting.

Press Next to set the first timer start time ( only can set Hour and Minute)
Press Next to set the first timer stop time.
fadlykhairy ask: (2013/8/27 16:44)  
kalau saya letak alarm..berapa lama alarm itu akan berbunyi??
hitectrons reply: (2013/8/28 09:21)  
Alarm duration is depend on your setting, but you can only set hr & min only. Pls let us know if you need any further information. Thanks.
i490105 ask: (2013/7/29 02:03)  
can use with HT526 kitset?
hitectrons reply: (2013/7/29 09:59)  
Hi, Yes.
Or you can connect to below siren directly.
we have 12Vdc, 24Vdc, 120VAC.
i490105 ask: (2013/7/26 22:05)  
The alarm? use siren?
hitectrons reply: (2013/7/27 10:42)  
Regret to inform that this kitset does not come with alarm component.
You can choose to use buzzer or siren.

fazrulnizam82 ask: (2013/4/22 21:57)  
Awak ada jual tak timer yang boleh kawal lebih dari satu alat dan paling kurang boleh set 4 masa?
hitectrons reply: (2013/4/24 14:24)  
Sorry, we only have HT565 3 output and 3 timer only.
fazrulnizam82 ask: (2013/4/21 09:13)  
Apabila kita set 4 alarm maknanya ia akan berbunyi 4 kali betul ke?
Bolehkah saya gunakan alat ini untuk hidupkan 4 peralatan elektrik seperti kipas ikut 4 kali set masa?
hitectrons reply: (2013/4/22 09:51)  
litar ini hanya boleh kawal satu alat sahaja. tapi dengan 4 timer, 4 kali bunyi.
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HT562T Digital Clock With 4 Timers (Relay) / Electronics Kit
RM 76.32 Shipping fee (*Exclude GST):Peninsular: RM 7, Sabah/Labuan: RM 10, Sarawak: RM 9,
International: RM
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