[image] [Controller] [Valve Terminals] <a href="https://www.ti.com/lit/ds/symlink/l293d.pdf?ts=1634826695723&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FL293D%253Futm_source%253Dgoogle%2526utm_medium%253Dcpc%2526utm_campaign%253Dasc-null-null-GPN_EN-cpc-pf-google-wwe%2526utm_content%253DL293D%2526ds_k%253DL293D%2BDatasheet%2526DCM%253Dyes%2526gclid%253DCjwKCAjwn8SLBhAyEiwAHNTJbQAwJMS-EHzd5XQ-NpKG3mAm74VCsy1jqHrZHip4oOJj7MoVAMolGxoCdwAQAvD_BwE%2526gclsrc%253Daw.ds">L293D Datasheet This problem has been driving me nuts. I'm using an Arduino Nano to control two motorized ball valves with an L293D driver. The Arduino receives feedback from flow sensors to adjust the rate of flow. When the flow rate is in the correct …

[image] anon57585045: PinMode() works just perfectly. There is a bug in your code. Setting Pin A7 as Input was changing bits in the DDRB register. I was unaware of this behavior. I've removed that part of code and it is working now. Thank you for your help.

L293D Enable2 Will not go low

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anon57585045 October 21, 2021, 11:04pm 6

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L293D Enable2 Will not go low

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