Abnormal low current from JK flip flop IC at toggle mode

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The discussion revolves around troubleshooting low current output from a JK flip-flop IC (4027) used in a prototype balance indicator for quadbikes. The user initially experiences insufficient current to power an Arduino and LED strips, despite the circuit functioning correctly without the flip-flop. Suggestions include verifying the output current specifications of the flip-flop, addressing potential switch bounce issues, and considering a PMOS power FET to handle the load more effectively. The conversation also highlights the importance of using appropriate components and techniques, such as hysteresis for debouncing, to ensure reliable circuit operation. Ultimately, the user expresses gratitude for the assistance received and plans to implement the recommended solutions.
  • #31
just a suggestion, but why can't you poll the switch with the ardrino and use a small wait state loop to control debounce?
 
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  • #32
Doh! Because the whole point is to power on/off the arduino with a push button switch.
 
  • #33
Hello,

Here is how I finally did it! It works fine. Thanks a lot for your help. I learned a lot about a world that I didn't know about, electronics!

Thank you!

Bbruyne
 

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  • #34
Glad it works. That was a good idea, using the JK SET/RESET like an RS latch for debounce. I'll probably end up using that at some point.
 
  • #35
Great, thanks again for your help.

Bbruyne
 

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