4 Digit Stopwatch Timer Board with Pause (99H 59M 59.99S) 4 Digit Stopwatch Timer Board with Pause (99H 59M 59.99S) Quasar Electronics 4-digit stopwatch timer board with Start, Pause, Stop, Display Toggle and Reset functions. Displays time elapsed in Seconds and Hundredths plus Hours and Minutes on the minute for 1 second. 20mS output pulse on the minute. Maximum time 99H 59M 59.99S... Electronics > Circuit Components > Printed Circuit Boards > Development Boards quasar_diy_k148t2 3148T2KT 23.95 Quasar Electronics Limited
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4 Digit Stopwatch Timer Board with Pause (99H 59M 59.99S)

4 Digit Stopwatch Timer Board with Pause (99H 59M 59.99S)
4 Digit Stopwatch Timer Board with Pause (99H 59M 59.99S)
4 Digit Stopwatch Timer Board with Pause (99H 59M 59.99S)
4 Digit Stopwatch Timer Board with Pause (99H 59M 59.99S)
AS3148T2KT - 4 Digit Stopwatch Timer Board with Pause (99H 59M 59.99S)
Ability Level 3: IntermediateProduct Formats Available: Pre-Assembled Module (AS) or
Self-Assembly Electronic Kit ( Soldering Required)

4-digit stopwatch timer board with Start, Pause, Stop, Display Toggle and Reset functions. Displays time elapsed in Seconds and Hundredths. At the end of every minute the display changes over for 1 second to show the elapsed Hours and Minutes time. It then reverts to displaying and counting Seconds and Hundredths. An open collector output pulses low for 20mS on the minute when the timer is running. Maximum time is 99H 59M 59.99S.

The stopwatch controls are:

  • START : press the START button to start timer if stopped, paused or reset
  • PAUSE : press the START button when timer is running to freeze display at the current elapsed time. Timer still runs in the background, only the display has been stopped. The output pulse every minute will continue because the timer is still running. Press the START button again to re-start the display. It will jump to show the current elapsed time
  • STOP : pressing the STOP button when the timer is running also freezes the display. However, the timer is stopped as well and the output pulses are also stopped. Press the START button to re-start the display. It will continue counting on from where it was stopped
  • DISPLAY TOGGLING : Pressing the STOP button when the display is frozen (paused or stopped) will toggle between Seconds/Hundredths and Hours/Minutes display
  • RESET : at any time you can reset the timer by shorting the hardware reset pins together. You can also reset the timer when it is stopped or paused by holding the STOP button for 0.5 seconds

The board has an active low open collector transistor output (NPN 100mA, 30V max.). This can be used with to drive our 3156 relay board or the 3141 delay timer board.

Connections: DC IN, RESET, OUTPUT, STOP and START are brought out to a 10-way header strip for easy connection.

START and STOP buttons are also provided on the board.

NEW - LONG DURATION VERSION AVAILABLE

Similar in operation to the description above but displays time elapsed in Minutes and Seconds (no Hundredths). At the end of every minute the display changes over for 1 second to show the elapsed Hours time. It then reverts to the minutes and seconds display. Open collector output pulses low for 20mS on the minute when the timer is running. Maximum time is 9999H 59M 59S. See Order Code AS3148T6 below.

Custom Firmware Design Service

If you would like the stopwatch to function differently please Contact Us with your requirements.

Specifications
Supply9...15V dc
e.g. Order Code 660.446UK with connector 778.106
Current30 - 50mA max.
Timing ranges0 to 99h 59m 59.99s
Timing resolution1/100 second
InputsStart / Stop / Reset (Active low - see documentation)
Output TypeOpen collector NPN transistor 100mA, 30V max.
(see Help Sheet)
Display4-digit 7-segment with decimal point, 14mm RED LED
Accuracy+/- 1.8 seconds / hour
Board Dimensions~ 51 x 66 x 12 mm (excluding header pins)
Connections10 pin SIL header
Product FormatsSELF-ASSEMBLY Electronic Kit (KT) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
Documentation3148T2 User Manual (Hundredths Version)
3148T6 User Manual (Seconds Version)
Your Total:

AS3148T2KT - 4 Digit Stopwatch Timer Board with Pause (99H 59M 59.99S) Selection

SELF-ASSEMBLY 4 Digit Hundredths Stopwatch Timer with Pause KIT
Quasar 3148T2KT - SELF-ASSEMBLY 4 Digit Hundredths Stopwatch Timer with Pause KIT
£21.63 £19.96 Exc VAT, £23.95 Inc VAT | In Stock (UK Warehouse)
PRE-ASSEMBLED 4 Digit Hundredths Stopwatch Timer with Pause Board (99H:59M:59.99S)
Quasar AS3148T2 - PRE-ASSEMBLED 4 Digit Hundredths Stopwatch Timer with Pause Board (99H:59M:59.99S)
£29.18 £24.96 Exc VAT, £29.95 Inc VAT | In Stock (UK Warehouse)
PRE-ASSEMBLED 4 Digit Stopwatch Timer Board with Pause (9999H:59M:59S)
Quasar AS3148T6 - PRE-ASSEMBLED 4 Digit Stopwatch Timer Board with Pause (9999H:59M:59S)
£29.18 £24.96 Exc VAT, £29.95 Inc VAT | In Stock (UK Warehouse)

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