📢 Announcement: Since the release of v1.3.0, our official dockerhub namespace has been changed to topmaker, you can pull the latest images from topmaker/modpoll at dockerhub. Learn more about modpoll ...
Several makes of multi channel relay boards that are controlled over an RS232 serial port. I am testing with a model that uses a ULN2803A chip also noted as a darlington array and an RS232 level ...
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