Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Thanks to KMoffett and blueroomelectronics.
I liked the idea of a T-Latch to toggle states rather than just extending the state. With a CMOS CD4027 the system is working just fine and the PLC is responding to the signal.
Thanks for your help.
Dave
I have a signal coming from a sensor on a rotating wheel that is at 12 VDC most of the time but will drop to 0 V for about 10 ms as the sensor is activated. Rather than these narrow negative pulses I would rather have even square waves.
I had an SN74ALS112AN dual JK negative edge triggered...
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