Author Topic: pls help po up/down decade counter upto 9999 (automatic) (Read 421 times)

jielon45 · « **on:** February 10, 2012, 11:39:37 PM »

project po namin is up/down decade counter (automatic po sya mag ccount) di po dpat kami ggmit ng microcontrollers
magbblang po dpat ung counter namin ng 0-9999 and 9999-0, and it will automatically stops as it reaches 0 or 9999
pahingi naman po ng schematic diagram. plss. kelangan n kelangan ko po. i am super newbie in logic circuits. pls help

anu anu po mga kelangan ko para sa project namin? do i need to use a 555 ??

1 switch for stop
1 switch for reset
1 switch for up/down

Philippine Electronics Forum · « **on:** February 10, 2012, 11:39:37 PM »

jielon45 · « **Reply #1 on:** February 10, 2012, 11:47:43 PM »

kapag po nasa switch(up) sya, automatic po sya mag ccount pataas, and same po din sa switch(down)

Philippine Electronics Forum · « **Reply #1 on:** February 10, 2012, 11:47:43 PM »

jielon45 · « **Reply #2 on:** February 10, 2012, 11:53:37 PM »

is it better to use 74192 IC?? pls help

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Philippine Electronics Forum · « **Reply #2 on:** February 10, 2012, 11:53:37 PM »

o0oyaskaio0o · « **Reply #3 on:** February 11, 2012, 09:21:51 AM »

wait ka lang Sir, Bc pa siguro mga Master.

Philippine Electronics Forum · « **Reply #3 on:** February 11, 2012, 09:21:51 AM »

jielon45 · « **Reply #4 on:** February 11, 2012, 01:05:06 PM »

hahaha. ala p akong idea

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Philippine Electronics Forum · « **Reply #4 on:** February 11, 2012, 01:05:06 PM »

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