4 Digit Simple LED Coin Mech Timer (1 Minute Increments) 4 Digit Simple LED Coin Mech Timer (1 Minute Increments)
Up to 9,999 minutes duration 4-digit LED countdown timer for coin mechanisms. Open collector output activates when counting down. time, Start & Reset inputs. Electronics > Circuit Boards & Components > Printed Circuit Boards > Development Boards AS3148T50M AS3148T50M AS3148T50M 35.95 Quasar Electronics Limited
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4 Digit Simple LED Coin Mech Timer (1 Minute Increments)

AS3148T50M - 4 Digit Simple LED Coin Mech Timer (1 Minute Increments)
Ability Level 3: IntermediatePre-Assembled and Kit versions availableMade in Britain
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Up to 9,999 minute 4-digit simple LED coin mechanism timer with open collector output. The stopped board displays the amount of minutes currently in credit. Running timer shows whole minutes credit remaining and the end decimal point flashes every second to indicate countdown is in progress.

Each time the STOP input is closed the countdown time credit increases by 1 minute (both when the timer is stopped or already counting down).

START input starts the countdown and the open collector output turns on. On timeout the output turns off and the the display and countdown time resets to zero.

Only 2 LED digits light when countdown time is less then 100. The other digits become active if count increases above 99 and 999.

A hardware RESET input allows the timer to be manually stopped and reset to zero. Current countdown time is stored in volatile memory so will be lost in the event of a power outage.

The board has an active low open collector transistor output (NPN 100mA, 30V max.). This can be used to drive a buzzer, relay, our AS8043-12, 3156 relay board or 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.

Custom Firmware Design Service

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

Supply9...15V dc
e.g. Order Code 660.446UK with connector 777.001UK
Current30 - 50mA max.
InputsStart / Stop / Reset (Active low - see documentation)
Output TypeOpen collector NPN transistor, 100mA @ 30V max
(see Help Sheet)
Time Delay1 - 9,999 Minutes
Display4-digit 7-segment with decimal point, 14mm RED LED
Accuracy+/- 1.8 seconds / hour
Settings memoryN/A - settings are lost when power is removed
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
Documentation3148T50M User Manual
Item Number:
Quasar AS3148T50M
Buy 1-4:
£29.96 Exc VAT, £35.95 Inc VAT Each
Buy 5+:
£24.96 Exc VAT, £29.95 Inc VAT Each
Stock Info:
In Stock (Our UK Warehouse)
Your Total:

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